Hillsborough County, NH demographics:
population, income, and more

Total population
426,378
0.4% year-over-year change
Median household income
$103,545/yr
3.1% year-over-year change
Housing units
177,734
0.6% year-over-year change

Hillsborough County population

How many people live in Hillsborough County

Hillsborough County is home to 426,378 residents, according to the most recent Census data. Gender-wise, 50.2% of Hillsborough County locals are male, and 49.8% are female.

Total population
426,378
0.4% year-over-year change
Gender ratio
Male
50.2%
213,975
Female
49.8%
212,403
Value Percent YoY change
Male 213,975 50.2% 0.5%
Female 212,403 49.8% 0.3%
A higher population often means more rental variety and livelier areas. The gender balance—how many men live here compared to women—can reveal a lot about the community and the lifestyles of its residents. Use this info to get a sense of the area's pace and personality.

Age demographics

The median age in Hillsborough County is 41, with the population distributed as follows: about 16% are children under 15, then 11.8% are in the 15 to 24 age group. Adults between 25 and 44 make up 27.2% of the population, while another 27.6% fall into the 45 to 64 bracket. Finally, around 17.3% are 65 or older.

Median age
41
Age breakdown
Under 15
16%
15 to 24
11.8%
25 to 44
27.2%
45 to 64
27.6%
Over 65
17.3%
Value Percent YoY change
Under 15 68,028 16% -1.1%
15 to 24 50,546 11.8% -0.9%
25 to 44 116,186 27.2% 1.5%
45 to 64 117,800 27.6% -1.4%
Over 65 73,818 17.3% 3.9%
The age composition helps you get insight into who lives in the area. A younger population might mean a more active, fast-paced vibe, while an older one could suggest a quieter, slower lifestyle. If there's a balanced makeup, you’re likely to find a variety of services, housing types, and community spaces that cater to different life stages.

Racial makeup

In Hillsborough County, 87.9% of the population are US-born citizens, while 7.6% have gained naturalized citizenship. At the same time, 4.5% of residents are non-citizens. As for race, 81.6% of locals are Caucasian, 2.5% are African American and 4.3% have Asian roots. There’s also a share of 9% that includes residents with two or more races.

Citizenship
U.S.-born citizens
87.9%
Non-U.S.-born citizens
7.6%
Non-citizens
4.5%
Value Percent YoY change
U.S.-born citizens 374,960 87.9% 0.7%
Non-U.S.-born citizens 32,418 7.6% -2.2%
Non-citizens 19,000 4.5% -0.5%
Racial breakdown
White
81.6%
Black or African American
2.5%
American Indian and Alaska Native
0.1%
Asian
4.3%
Native Hawaiian and other Pacific Islander
0%
Two or more races
9%
Other
2.5%
Value Percent
White 347,760 81.6%
Black or African American 10,520 2.5%
American Indian and Alaska Native 598 0.1%
Asian 18,375 4.3%
Native Hawaiian and other Pacific Islander 38 0%
Two or more races 38,285 9%
Other 10,802 2.5%

Households in Hillsborough County

A peek inside Hillsborough County households

Hillsborough County has 168,740 households, with an average of 2 members in each. Of these, 64% are families, while the remaining 36% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
168,740
0.6% year-over-year change
Average people per household
2
Non-family households
60,758
Family households
107,982
Value Percent YoY change
Non-family households 60,758 36% 1.8%
Family households 107,982 64% -0.0%
The mix between family and non-family households gives a glimpse into daily life. A higher percentage of families might mean more parks and schools, while more non-family setups can mean flexible housing and diverse living styles. For renters, this can signal what kinds of homes are common and can help you figure out if the area matches your lifestyle.

Housing in Hillsborough County

The housing landscape of Hillsborough County

Hillsborough County's housing consists of 177,734 units, with 56.6% being detached single-family homes ideal for those wanting space. Attached options, including duplexes and townhouses, make up 6.3% and offer a more compact, shared living style. Then there are the multifamily buildings in the area, and for those seeking flexibility, non-traditional options like mobile homes account for 1.9% of the housing landscape.

Housing units
177,734
0.6% year-over-year change
Housing types
Value Percent
1 unit, detached 100,545 56.6%
1 unit, attached 11,195 6.3%
2 units 13,251 7.5%
3 or 4 units 12,517 7%
5 to 9 units 8,862 5%
10 to 19 units 6,887 3.9%
20 to 49 units 14,116 7.9%
50 or more units 6,933 3.9%
Mobile home 3,364 1.9%
Boat, RV, van, etc. 64 0%
Homes built since 2020
1,910
116.3% year-over-year change

The age of buildings in Hillsborough County

In Hillsborough County, the median construction year is 1978. About 18.3% of homes were built before the 1940s, with another 3.4% going up by 1949. Most development happened in the second half of the 20th century. Then, 10% of homes were added from 2000 to 2009, 5.6% between 2010 and 2019, and 1.1% are part of the newest wave of development.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 32,603 18.3% -0.7%
Built between 1940 and 1949 6,054 3.4% -5.0%
Built between 1950 and 1959 12,388 7% -3.4%
Built between 1960 and 1969 16,146 9.1% -0.3%
Built between 1970 and 1979 27,626 15.5% 1.9%
Built between 1980 and 1989 34,779 19.6% -2.4%
Built between 1990 and 1999 18,467 10.4% -0.2%
Built between 2000 and 2009 17,807 10% 5.4%
Built between 2010 and 2019 9,954 5.6% 4.4%
Built in 2020 or later 1,910 1.1% 116.3%
As a renter, knowing when homes were built helps you understand the potential condition and design of rental units. Newer builds may have more contemporary layouts, while older homes can offer character or larger lots, depending on the area.

Hillsborough County occupancy rates

Out of the 168,740 occupied housing units in Hillsborough County, 67.4% are owner-occupied, while 32.6% are lived in by tenants. Meanwhile, 5.1% of all homes on the local market sit vacant.

Occupied housing units
168,740
0.6% year-over-year change
Occupancy breakdown
Renter occupied
55,030
Owner occupied
113,710
Value Percent YoY
change
Renter occupied 55,030 32.6% 1.1%
Owner occupied 113,710 67.4% 0.4%
Unoccupied housing units
5.1%
Unoccupied housing units refer to homes that are currently without residents—whether they're waiting for renters or owners, used seasonally, or simply unclaimed. A higher share of empty homes may mean more housing availability, while a low number can reflect a tighter market with more competition. This, along with the renter-vs.-owner mix, helps paint a clearer picture of what types of housing and services are likely to be available in the area.

Hillsborough County housing costs

Housing costs in Hillsborough County come to a median of $1,816 per month, while tenants specifically pay a median gross rent of $1,623.

Median housing costs per month
$1,816/month
This figure sums up typical monthly housing costs for all households in the area. If you own, it includes mortgage payments in addition to property taxes, insurance and HOA fees. If you rent, it accounts for rent plus extras like utilities. It’s useful for seeing how local living expenses stack up compared to other places.
Median gross rent in Hillsborough County
$1,623/month
Gross rent gives a more complete look at what renters actually pay, including not just base rent, but also utilities and fees. It’s a key number for evaluating rental affordability in your area of interest and understanding how it compares to nearby locations.

Education in Hillsborough County

Hillsborough County education at a glance

About 31.8% of the population in Hillsborough County went to high school, while 18.2% pursued college studies. Another 8.8% earned an associate degree and 24.3% hold a bachelor’s. Meanwhile, 14.6% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 8,044 2.4% -3.3%
High school diploma 108,869 31.8% 0.1%
College diploma 62,401 18.2% -1.1%
Associate degree 30,188 8.8% -2.0%
Bachelor's degree 83,225 24.3% 0.9%
Graduate degree 49,955 14.6% 7.0%
A community’s education mix can offer insights into the local economy and housing market. Higher levels of education often align with more job opportunities and stable incomes, which can increase demand for homes and influence both rent prices and rental availability.

Income in Hillsborough County

How much people earn in Hillsborough County

The average annual household income in Hillsborough County was $132,601 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a +3.1% change from the previous year. At the same time, the median income stood at $103,545, reflecting a +3.1% shift over the same period.

Average household income in Hillsborough County
$132,601/year
3.1% year-over-year change
Median household income in Hillsborough County
$103,545/year
3.1% year-over-year change

Hillsborough County income by age

In Hillsborough County, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $112,681. Those with someone between 45 and 64 in charge, often well established professionally, earn $126,281 overall. Younger households, where the main provider is under 25 and just starting out, report a median income of $77,917, while those led by someone over 65, many of whom may be retired, have about $66,323 in earnings. Overall, 93.3% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
Under 25 $77,917 0.4%
25 - 44 $112,681 4.7%
45 - 64 $126,281 4.0%
Over 65 $66,323 1.6%
Above poverty level
386,780
Below poverty level
27,939
Value Percent YoY
change
Above poverty level 386,780 93.3% 0.2%
Below poverty level 27,939 6.7% 4.0%

Employment in Hillsborough County

Workforce and job types in Hillsborough County

The job market in Hillsborough County is powered by 240,628 working residents, spread across a range of industries and roles. 79.6% of the working population are employed in professional or administrative positions, while 20.4% are in hands-on or service-based jobs. Also, 7.7% run their own businesses, 70.5% are employed by private companies, and 10.9% work in the public sector.

Workforce demographics

Working population
240,628
0.7% year-over-year change
White collar
191,495
Blue collar
49,133
Value Percent YoY change
White collar 191,495 79.6% 1.1%
Blue collar 49,133 20.4% -0.9%
Employer type
Self employees
7.7%
Private companies
70.5%
Governmental workers
10.9%
Not for profit companies
10.9%
Value Percent YoY change
Self employees 18,473 7.7% -2.6%
Private companies 169,694 70.5% 1.0%
Governmental workers 26,228 10.9% -0.1%
Not for profit companies 26,233 10.9% 1.4%
Unemployment rate
3.1%
-7.3% year-over-year change

Available workforce

The unemployment rate in Hillsborough County stands at 3.1%, representing the share of the workforce currently without a job and actively looking for one.

For renters, the unemployment rate helps paint a picture of job security and financial stability in the area. Rates around 4% to 5% are considered typical. A lower-than-average rate might suggest strong job prospects and a thriving local economy, while a higher rate could hint at fewer opportunities—both useful to consider when planning a move.

Transportation in Hillsborough County

How people get around in Hillsborough County

In Hillsborough County, the average commute time is 27 minutes. Commuting methods vary: 78% of residents travel by personal vehicle and 1.8% prefer to walk, while the remaining share relies on public transit or on two wheelers to get from A to B.

Commute time
27 min
0.7% year-over-year change
Means of transportation
Value Percent YoY change
Car 184,102 78% -2.3%
Taxicab 551 0.2% 51.4%
Bus or trolleybus 924 0.4% 1.2%
Subway or elevated 254 0.1% N/A
Railroad 118 0% -42.2%
Ferryboat 24 0% -29.4%
Motorcycle 113 0% -19.9%
Bicycle 473 0.2% 3.3%
Walk 4,196 1.8% 3.9%
Understanding how locals get to work can help you plan your own routine. High car usage might mean you’ll need a vehicle, while strong public transit or walkability could save you the hassle. Commute times also play a big role in quality of life—shorter trips can give you more time for the things you enjoy.

What is the median and average household income in Hillsborough County by zipcode?

Zipcode Population Number of households Median income Average income
03031 11,849 4,563 $153,125 $190,415
03033 5,736 1,831 $171,046 $204,597
03045 14,080 5,506 $119,205 $137,559
03047 1,730 671 $103,603 $131,931
03043 1,398 573 $104,063 $130,080
03048 3,237 1,389 $90,451 $104,576
03049 8,603 3,355 $168,883 $226,725
03051 25,557 9,930 $124,213 $138,929
03052 8,499 3,023 $162,036 $174,397
03054 28,176 10,850 $127,303 $154,807

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FAQs about Hillsborough County demographics 

What is the total population of Hillsborough County?

Hillsborough County has a total population of 426,378 residents, according to the latest release from the U.S. Census Bureau: the 2019-2023 American Community Survey (ACS) 5-year estimates. This figure changed by +0.4% compared to a year ago.

What is the gender ratio in Hillsborough County?

The gender ratio in Hillsborough County is as follows:
  • 50.2% males (213,975 residents)
  • 49.8% females (212,403 residents)

What is the median age in Hillsborough County?

The median age in Hillsborough County is 41.

What is the age distribution of the population in Hillsborough County?

The age distribution in Hillsborough County is as follows:
  • Under 15: 16% (68,028 residents)
  • Ages 15-24: 11.8% (50,546 residents)
  • Ages 25-44: 27.2% (116,186 residents)
  • Ages 45-64: 27.6% (117,800 residents)
  • Over 65: 17.3% (73,818 residents)

What is the racial and ethnic makeup of Hillsborough County?

The racial and ethnic makeup of Hillsborough County is as follows:
  • White: 81.6% (347,760 residents)
  • Black or African American: 2.5% (10,520 residents)
  • American Indian and Alaska Native: 0.1% (598 residents)
  • Asian: 4.3% (18,375 residents)
  • Native Hawaiian and Other Pacific Islander: 0% (38 residents)
  • Two or More Races: 9% (38,285 residents)
  • Other: 2.5% (10,802 residents)

What percentage of the population in Hillsborough County are U.S.-born citizens?

U.S.-born citizens represent 87.9% of the population in Hillsborough County.

How many housing units are there in Hillsborough County?

There are 177,734 housing units in Hillsborough County, reflecting a +0.6% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

How many households are in Hillsborough County and what is the average household size?

Hillsborough County has a total of 168,740 households, with an average of 2 people in each.

What is the median household income in Hillsborough County?

Hillsborough County has a median household income of $103,545, representing a +3.1% shift from the previous year, according to the U.S. Census Bureau.

What is the employment rate and job market overview for Hillsborough County?

The employment rate is 96.9% in Hillsborough County, with a workforce of 240,628 residents. Here’s a detailed breakdown of the local job market:

Job types:
  • White-collar workers: 79.6% (191,495 residents)
  • Blue-collar workers: 20.4% (49,133 residents)

Places of employment:
  • Self-employed: 7.7% (18,473 residents)
  • Private companies: 70.5% (169,694 residents)
  • Governmental workers: 10.9% (26,228 residents)
  • Not-for-profit companies: 10.9% (26,233 residents)

Data source & methodology

The demographic data on this page was sourced from the latest U.S. Census Bureau release—the 2019–2023 American Community Survey (ACS) 5-year estimates.

The information, issued annually, is compiled and published by the Point2Homes Research Team as soon as new data becomes available.

No representation, guarantee, or warranty is made concerning the accuracy or completeness of modified or aggregated information for particular areas.

Page last updated: September 2025