Harwich, MA demographics:
population, income, and more

Total population
13,186
1.7% year-over-year change
Median household income
$104,401/yr
16.1% year-over-year change
Housing units
9,888
-2.3% year-over-year change

Harwich population

How many people live in Harwich

Harwich is home to 13,186 residents, according to the most recent Census data. Gender-wise, 49.4% of Harwich locals are male, and 50.6% are female.

Total population
13,186
1.7% year-over-year change
Gender ratio
Male
49.4%
6,516
Female
50.6%
6,671
Value Percent YoY change
Male 6,516 49.4% 2.1%
Female 6,671 50.6% 1.4%
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 Harwich is 59, with the population distributed as follows: about 8.6% are children under 15, then 9.4% are in the 15 to 24 age group. Adults between 25 and 44 make up 16.2% of the population, while another 30.2% fall into the 45 to 64 bracket. Finally, around 35.7% are 65 or older.

Median age
59
Age breakdown
Under 15
8.6%
15 to 24
9.4%
25 to 44
16.2%
45 to 64
30.2%
Over 65
35.7%
Value Percent YoY change
Under 15 1,135 8.6% -4.9%
15 to 24 1,236 9.4% -4.1%
25 to 44 2,133 16.2% 13.6%
45 to 64 3,980 30.2% 2.9%
Over 65 4,703 35.7% -0.7%
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 Harwich, 94.5% of the population are US-born citizens, while 4.9% have gained naturalized citizenship. At the same time, 0.7% of residents are non-citizens. As for race, 92.9% of locals are Caucasian, 0.3% are African American and 1.4% have Asian roots. There’s also a share of 4.2% that includes residents with two or more races.

Citizenship
U.S.-born citizens
94.5%
Non-U.S.-born citizens
4.9%
Non-citizens
0.7%
Value Percent YoY change
U.S.-born citizens 12,459 94.5% 0.7%
Non-U.S.-born citizens 641 4.9% 26.9%
Non-citizens 87 0.7% 6.1%
Racial breakdown
White
92.9%
Black or African American
0.3%
American Indian and Alaska Native
0.1%
Asian
1.4%
Native Hawaiian and other Pacific Islander
0%
Two or more races
4.2%
Other
1.1%
Value Percent
White 12,256 92.9%
Black or African American 34 0.3%
American Indian and Alaska Native 11 0.1%
Asian 189 1.4%
Two or more races 547 4.2%
Other 150 1.1%

Households in Harwich

A peek inside Harwich households

Harwich has 6,181 households, with an average of 2 members in each. Of these, 59.2% are families, while the remaining 40.9% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
6,181
4.5% year-over-year change
Average people per household
2
Non-family households
2,526
Family households
3,656
Value Percent YoY change
Non-family households 2,526 40.9% 8.0%
Family households 3,656 59.2% 2.2%
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 Harwich

The housing landscape of Harwich

Harwich's housing consists of 9,888 units, with 90% being detached single-family homes ideal for those wanting space. Attached options, including duplexes and townhouses, make up 3.1% and offer a more compact, shared living style.

Housing units
9,888
-2.3% year-over-year change
Housing types
Value Percent
1 unit, detached 8,895 90%
1 unit, attached 303 3.1%
2 units 64 0.6%
3 or 4 units 148 1.5%
5 to 9 units 162 1.6%
10 to 19 units 93 0.9%
20 to 49 units 181 1.8%
50 or more units 42 0.4%
Homes built since 2020
114
442.9% year-over-year change

The age of buildings in Harwich

In Harwich, the median construction year is 1963. About 13.1% of homes were built before the 1940s, with another 3.8% going up by 1949. Most development happened in the second half of the 20th century. Then, 9.7% of homes were added from 2000 to 2009, 4.7% between 2010 and 2019, and 1.2% are part of the newest wave of development.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 1,300 13.1% -6.0%
Built between 1940 and 1949 379 3.8% 51.0%
Built between 1950 and 1959 890 9% -14.3%
Built between 1960 and 1969 1,438 14.5% -2.2%
Built between 1970 and 1979 1,377 13.9% -17.9%
Built between 1980 and 1989 1,610 16.3% -5.2%
Built between 1990 and 1999 1,357 13.7% 13.4%
Built between 2000 and 2009 963 9.7% 10.3%
Built between 2010 and 2019 462 4.7% -9.4%
Built in 2020 or later 114 1.2% 442.9%
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.

Harwich occupancy rates

Out of the 6,181 occupied housing units in Harwich, 85.2% are owner-occupied, while 14.8% are lived in by tenants. Meanwhile, 37.5% of all homes on the local market sit vacant.

Occupied housing units
6,181
4.5% year-over-year change
Occupancy breakdown
Renter occupied
916
Owner occupied
5,265
Value Percent YoY
change
Renter occupied 916 14.8% 0.2%
Owner occupied 5,265 85.2% 5.3%
Unoccupied housing units
37.5%
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.

Harwich housing costs

Housing costs in Harwich come to a median of $1,627 per month, while tenants specifically pay a median gross rent of $2,043.

Median housing costs per month
$1,627/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 Harwich
$2,043/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 Harwich

Harwich education at a glance

About 23.7% of the population in Harwich went to high school, while 16.4% pursued college studies. Another 8.8% earned an associate degree and 26.5% hold a bachelor’s. Meanwhile, 23.8% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 95 0.8% 196.9%
High school diploma 2,752 23.7% -11.6%
College diploma 1,903 16.4% -7.4%
Associate degree 1,020 8.8% 3.2%
Bachelor's degree 3,076 26.5% 16.0%
Graduate degree 2,757 23.8% 9.4%
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 Harwich

How much people earn in Harwich

The average annual household income in Harwich was $138,544 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a +11.7% change from the previous year. At the same time, the median income stood at $104,401, reflecting a +16.1% shift over the same period.

Average household income in Harwich
$138,544/year
11.7% year-over-year change
Median household income in Harwich
$104,401/year
16.1% year-over-year change

Harwich income by age

In Harwich, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $87,591. Those with someone between 45 and 64 in charge, often well established professionally, earn $139,680 overall. Overall, 95.2% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
25 - 44 $87,591 18.1%
45 - 64 $139,680 5.5%
Over 65 $80,191 5.2%
Above poverty level
12,278
Below poverty level
620
Value Percent YoY
change
Above poverty level 12,278 95.2% 1.3%
Below poverty level 620 4.8% 10.7%

Employment in Harwich

Workforce and job types in Harwich

82.7% of the working population are employed in professional or administrative positions, while 17.3% are in hands-on or service-based jobs. Also, 13.9% run their own businesses, 55.5% are employed by private companies, and 20.7% work in the public sector.

Workforce demographics

White collar
5,537
Blue collar
1,157
Value Percent YoY change
White collar 5,537 82.7% 9.8%
Blue collar 1,157 17.3% -8.8%
Employer type
Self employees
13.9%
Private companies
55.5%
Governmental workers
20.7%
Not for profit companies
9.9%
Value Percent YoY change
Self employees 931 13.9% 2.6%
Private companies 3,715 55.5% 9.5%
Governmental workers 1,388 20.7% 6.2%
Not for profit companies 660 9.9% -6.0%

Transportation in Harwich

How people get around in Harwich

Commuting methods vary: 97.4% of residents travel by personal vehicle and 1.5% 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 5,267 97.4% 5.5%
Bus or trolleybus 10 0.2% 0.0%
Railroad 12 0.2% 33.3%
Motorcycle 9 0.2% 0.0%
Bicycle 29 0.5% 0.0%
Walk 83 1.5% 56.6%
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 Harwich by zipcode?

Zipcode Population Number of households Median income Average income
02645 11,288 5,169 $104,401 $132,619
02646 1,846 957 $81,172 $138,206
02671 818 415 $104,583 $188,007

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FAQs about Harwich demographics 

What is the total population of Harwich?

Harwich has a total population of 13,186 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 +1.7% compared to a year ago.

What is the gender ratio in Harwich?

The gender ratio in Harwich is as follows:
  • 49.4% males (6,516 residents)
  • 50.6% females (6,671 residents)

What is the median age in Harwich?

The median age in Harwich is 59.

What is the age distribution of the population in Harwich?

The age distribution in Harwich is as follows:
  • Under 15: 8.6% (1,135 residents)
  • Ages 15-24: 9.4% (1,236 residents)
  • Ages 25-44: 16.2% (2,133 residents)
  • Ages 45-64: 30.2% (3,980 residents)
  • Over 65: 35.7% (4,703 residents)

What is the racial and ethnic makeup of Harwich?

The racial and ethnic makeup of Harwich is as follows:
  • White: 92.9% (12,256 residents)
  • Black or African American: 0.3% (34 residents)
  • American Indian and Alaska Native: 0.1% (11 residents)
  • Asian: 1.4% (189 residents)
  • Native Hawaiian and Other Pacific Islander: 0% ( residents)
  • Two or More Races: 4.2% (547 residents)
  • Other: 1.1% (150 residents)

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

U.S.-born citizens represent 94.5% of the population in Harwich.

How many housing units are there in Harwich?

There are 9,888 housing units in Harwich, reflecting a -2.3% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

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

Harwich has a total of 6,181 households, with an average of 2 people in each.

What is the median household income in Harwich?

Harwich has a median household income of $104,401, representing a +16.1% shift from the previous year, according to the U.S. Census Bureau.

What is the job market overview for Harwich?

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

Job types:
  • White-collar workers: 82.7% (5,537 residents)
  • Blue-collar workers: 17.3% (1,157 residents)

Places of employment:
  • Self-employed: 13.9% (931 residents)
  • Private companies: 55.5% (3,715 residents)
  • Governmental workers: 20.7% (1,388 residents)
  • Not-for-profit companies: 9.9% (660 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