Cornish, NH demographics:
population, income, and more

Total population
1,810
2.5% year-over-year change
Median household income
$91,821/yr
3.1% year-over-year change
Housing units
831
-2.9% year-over-year change

Cornish population

How many people live in Cornish

Cornish is home to 1,810 residents, according to the most recent Census data. Gender-wise, 49.6% of Cornish locals are male, and 50.4% are female.

Total population
1,810
2.5% year-over-year change
Gender ratio
Male
49.6%
898
Female
50.4%
912
Value Percent YoY change
Male 898 49.6% 3.9%
Female 912 50.4% 1.2%
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 Cornish is 54, with the population distributed as follows: about 12.7% are children under 15, then 4.3% are in the 15 to 24 age group. Adults between 25 and 44 make up 24.5% of the population, while another 31.2% fall into the 45 to 64 bracket. Finally, around 27.2% are 65 or older.

Median age
54
Age breakdown
Under 15
12.7%
15 to 24
4.3%
25 to 44
24.5%
45 to 64
31.2%
Over 65
27.2%
Value Percent YoY change
Under 15 230 12.7% 4.5%
15 to 24 78 4.3% 56.0%
25 to 44 443 24.5% 10.8%
45 to 64 565 31.2% -2.6%
Over 65 493 27.2% -4.3%
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 Cornish, 96.6% of the population are US-born citizens, while 3.4% have gained naturalized citizenship. There’s also a share of 4.5% that includes residents with two or more races.

Citizenship
U.S.-born citizens
96.6%
Non-U.S.-born citizens
3.4%
Non-citizens
0%
Value Percent YoY change
U.S.-born citizens 1,749 96.6% 4.2%
Non-U.S.-born citizens 61 3.4% -29.1%
Racial breakdown
White
88.2%
Black or African American
0%
American Indian and Alaska Native
0%
Asian
0.8%
Native Hawaiian and other Pacific Islander
0%
Two or more races
4.5%
Other
6.4%
Value Percent
White 1,597 88.2%
Asian 15 0.8%
Two or more races 82 4.5%
Other 116 6.4%

Households in Cornish

A peek inside Cornish households

Cornish has 763 households, with an average of 2 members in each. Of these, 53.5% are families, while the remaining 46.7% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
763
-2.0% year-over-year change
Average people per household
2
Non-family households
356
Family households
408
Value Percent YoY change
Non-family households 356 46.7% 0.0%
Family households 408 53.5% -3.8%
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 Cornish

The housing landscape of Cornish

Cornish's housing consists of 831 units, with 87.4% being detached single-family homes ideal for those wanting space. Attached options, including duplexes and townhouses, make up 0.5% 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 9.3% of the housing landscape.

Housing units
831
-2.9% year-over-year change
Housing types
Value Percent
1 unit, detached 726 87.4%
1 unit, attached 4 0.5%
2 units 13 1.6%
3 or 4 units 11 1.3%
Mobile home 77 9.3%
Homes built since 2020
% year-over-year change

The age of buildings in Cornish

In Cornish, the median construction year is 1980. About 23.3% of homes were built before the 1940s, with another 2.5% going up by 1949. Most development happened in the second half of the 20th century.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 194 23.3% 4.3%
Built between 1940 and 1949 21 2.5% 23.5%
Built between 1950 and 1959 25 3% 4.2%
Built between 1960 and 1969 55 6.6% -14.1%
Built between 1970 and 1979 119 14.3% -14.4%
Built between 1980 and 1989 234 28.1% -2.1%
Built between 1990 and 1999 44 5.3% -17.0%
Built between 2000 and 2009 120 14.4% 3.5%
Built between 2010 and 2019 20 2.4% 5.3%
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.

Cornish occupancy rates

Out of the 763 occupied housing units in Cornish, 94.2% are owner-occupied, while 5.9% are lived in by tenants. Meanwhile, 8.2% of all homes on the local market sit vacant.

Occupied housing units
763
-2.0% year-over-year change
Occupancy breakdown
Renter occupied
45
Owner occupied
719
Value Percent YoY
change
Renter occupied 45 5.9% 21.6%
Owner occupied 719 94.2% -3.1%
Unoccupied housing units
8.2%
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.

Cornish housing costs

Housing costs in Cornish come to a median of $1,466 per month, while tenants specifically pay a median gross rent of $1,221.

Median housing costs per month
$1,466/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 Cornish
$1,221/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 Cornish

Cornish education at a glance

About 31% of the population in Cornish went to high school, while 12.9% pursued college studies. Another 15.9% earned an associate degree and 26.7% hold a bachelor’s. Meanwhile, 13% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 7 0.4% 0.0%
High school diploma 480 31% -3.6%
College diploma 200 12.9% 31.6%
Associate degree 246 15.9% -3.1%
Bachelor's degree 413 26.7% 3.8%
Graduate degree 202 13% -6.9%
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 Cornish

How much people earn in Cornish

The average annual household income in Cornish was $93,023 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a +6.7% change from the previous year. At the same time, the median income stood at $91,821, reflecting a +3.1% shift over the same period.

Average household income in Cornish
$93,023/year
6.7% year-over-year change
Median household income in Cornish
$91,821/year
3.1% year-over-year change

Cornish income by age

In Cornish, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $127,188. Those with someone between 45 and 64 in charge, often well established professionally, earn $92,268 overall. Overall, 95.2% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
25 - 44 $127,188 12.3%
45 - 64 $92,268 2.9%
Over 65 $60,125 8.7%
Above poverty level
1,687
Below poverty level
85
Value Percent YoY
change
Above poverty level 1,687 95.2% 4.0%
Below poverty level 85 4.8% -10.5%

Employment in Cornish

Workforce and job types in Cornish

75% of the working population are employed in professional or administrative positions, while 25% are in hands-on or service-based jobs. Also, 9.9% run their own businesses, 60.2% are employed by private companies, and 11.2% work in the public sector.

Workforce demographics

White collar
706
Blue collar
235
Value Percent YoY change
White collar 706 75% 4.1%
Blue collar 235 25% -11.3%
Employer type
Self employees
9.9%
Private companies
60.2%
Governmental workers
11.2%
Not for profit companies
18.8%
Value Percent YoY change
Self employees 93 9.9% -9.7%
Private companies 566 60.2% 0.3%
Governmental workers 105 11.2% -26.6%
Not for profit companies 177 18.8% 32.1%

Transportation in Cornish

How people get around in Cornish

Commuting methods vary: 99.1% of residents travel by personal vehicle and 0.9% prefer to walk, while the remaining share relies on public transit or on two wheelers to get from A to B.

Means of transportation
Value Percent YoY change
Car 810 99.1% -5.9%
Walk 7 0.9% 16.7%
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 Cornish by zipcode?

Zipcode Population Number of households Median income Average income
03745 1,816 766 $91,821 $111,503

Explore more communities

FAQs about Cornish demographics 

What is the total population of Cornish?

Cornish has a total population of 1,810 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 +2.5% compared to a year ago.

What is the gender ratio in Cornish?

The gender ratio in Cornish is as follows:
  • 49.6% males (898 residents)
  • 50.4% females (912 residents)

What is the median age in Cornish?

The median age in Cornish is 54.

What is the age distribution of the population in Cornish?

The age distribution in Cornish is as follows:
  • Under 15: 12.7% (230 residents)
  • Ages 15-24: 4.3% (78 residents)
  • Ages 25-44: 24.5% (443 residents)
  • Ages 45-64: 31.2% (565 residents)
  • Over 65: 27.2% (493 residents)

What is the racial and ethnic makeup of Cornish?

The racial and ethnic makeup of Cornish is as follows:
  • White: 88.2% (1,597 residents)
  • Black or African American: 0% ( residents)
  • American Indian and Alaska Native: 0% ( residents)
  • Asian: 0.8% (15 residents)
  • Native Hawaiian and Other Pacific Islander: 0% ( residents)
  • Two or More Races: 4.5% (82 residents)
  • Other: 6.4% (116 residents)

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

U.S.-born citizens represent 96.6% of the population in Cornish.

How many housing units are there in Cornish?

There are 831 housing units in Cornish, reflecting a -2.9% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

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

Cornish has a total of 763 households, with an average of 2 people in each.

What is the median household income in Cornish?

Cornish has a median household income of $91,821, representing a +3.1% shift from the previous year, according to the U.S. Census Bureau.

What is the job market overview for Cornish?

Here’s a detailed breakdown of the local job market:

Job types:
  • White-collar workers: 75% (706 residents)
  • Blue-collar workers: 25% (235 residents)

Places of employment:
  • Self-employed: 9.9% (93 residents)
  • Private companies: 60.2% (566 residents)
  • Governmental workers: 11.2% (105 residents)
  • Not-for-profit companies: 18.8% (177 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