Watertown, CT demographics:
population, income, and more

Total population
3,897
% year-over-year change
Median household income
$103,200/yr
% year-over-year change
Housing units
1,539
% year-over-year change

Watertown population

How many people live in Watertown

Watertown is home to 3,897 residents, according to the most recent Census data. Gender-wise, 53.6% of Watertown locals are male, and 46.4% are female.

Total population
3,897
% year-over-year change
Gender ratio
Male
53.6%
2,090
Female
46.4%
1,807
Value Percent YoY change
Male 2,090 53.6% N/A
Female 1,807 46.4% N/A
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 Watertown is 44, with the population distributed as follows: about 21.5% are children under 15, then 5.1% are in the 15 to 24 age group. Adults between 25 and 44 make up 23.9% of the population, while another 31.2% fall into the 45 to 64 bracket. Finally, around 18.2% are 65 or older.

Median age
43.9
Age breakdown
Under 15
21.5%
15 to 24
5.1%
25 to 44
23.9%
45 to 64
31.2%
Over 65
18.2%
Value Percent YoY change
Under 15 837 21.5% N/A
15 to 24 200 5.1% N/A
25 to 44 932 23.9% N/A
45 to 64 1,218 31.2% N/A
Over 65 710 18.2% N/A
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 Watertown, 86.9% of the population are US-born citizens, while 7.6% have gained naturalized citizenship. At the same time, 5.5% of residents are non-citizens. As for race, 80.4% of locals are Caucasian, 1.1% are African American and 6.9% have Asian roots. There’s also a share of 5.9% that includes residents with two or more races.

Citizenship
U.S.-born citizens
86.9%
Non-U.S.-born citizens
7.6%
Non-citizens
5.5%
Value Percent YoY change
U.S.-born citizens 3,387 86.9% N/A
Non-U.S.-born citizens 297 7.6% N/A
Non-citizens 213 5.5% N/A
Racial breakdown
White
80.4%
Black or African American
1.1%
American Indian and Alaska Native
0%
Asian
6.9%
Native Hawaiian and other Pacific Islander
0%
Two or more races
5.9%
Other
5.6%
Value Percent
White 3,135 80.4%
Black or African American 43 1.1%
Asian 269 6.9%
Two or more races 231 5.9%
Other 219 5.6%

Households in Watertown

A peek inside Watertown households

Watertown has 1,500 households, with an average of 3 members in each. Of these, 65.3% are families, while the remaining 34.7% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
1,500
% year-over-year change
Average people per household
3
Non-family households
520
Family households
980
Value Percent YoY change
Non-family households 520 34.7% N/A
Family households 980 65.3% N/A
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 Watertown

The housing landscape of Watertown

Watertown's housing consists of 1,539 units, with 68.9% being detached single-family homes ideal for those wanting space. Attached options, including duplexes and townhouses, make up 14.6% and offer a more compact, shared living style.

Housing units
1,539
% year-over-year change
Housing types
Value Percent
1 unit, detached 1,061 68.9%
1 unit, attached 224 14.6%
2 units 145 9.4%
3 or 4 units 89 5.8%
5 to 9 units 20 1.3%
Homes built since 2020
0
% year-over-year change

The age of buildings in Watertown

In Watertown, the median construction year is 1963. About 27.2% of homes were built before the 1940s, with another 10.3% 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 418 27.2% N/A
Built between 1940 and 1949 159 10.3% N/A
Built between 1950 and 1959 119 7.7% N/A
Built between 1960 and 1969 254 16.5% N/A
Built between 1970 and 1979 276 17.9% N/A
Built between 1980 and 1989 213 13.8% N/A
Built between 1990 and 1999 47 3% N/A
Built between 2010 and 2019 53 3.4% N/A
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.

Watertown occupancy rates

Out of the 1,500 occupied housing units in Watertown, 80.1% are owner-occupied, while 19.9% are lived in by tenants. Meanwhile, 2.5% of all homes on the local market sit vacant.

Occupied housing units
1,500
% year-over-year change
Occupancy breakdown
Renter occupied
298
Owner occupied
1,202
Value Percent YoY
change
Renter occupied 298 19.9% N/A
Owner occupied 1,202 80.1% N/A
Unoccupied housing units
2.5%
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.

Watertown housing costs

Housing costs in Watertown come to a median of $1,466 per month, while tenants specifically pay a median gross rent of $1,078.

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 Watertown
$1,078/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 Watertown

Watertown education at a glance

About 31.6% of the population in Watertown went to high school, while 16.5% pursued college studies. Another 6.8% earned an associate degree and 20.1% hold a bachelor’s. Meanwhile, 23.4% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 45 1.5% N/A
High school diploma 943 31.6% N/A
College diploma 493 16.5% N/A
Associate degree 203 6.8% N/A
Bachelor's degree 599 20.1% N/A
Graduate degree 698 23.4% N/A
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 Watertown

How much people earn in Watertown

The average annual household income in Watertown was $124,790 in 2024, the most recent annual data available, according to the U.S. Census Bureau.

Average household income in Watertown
$124,790/year
% year-over-year change
Median household income in Watertown
$103,200/year
% year-over-year change

Watertown income by age

In Watertown, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $104,783. Those with someone between 45 and 64 in charge, often well established professionally, earn $161,181 overall. Overall, 86.7% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
25 - 44 $104,783 N/A
45 - 64 $161,181 N/A
Over 65 $67,571 N/A
Above poverty level
3,364
Below poverty level
515
Value Percent YoY
change
Above poverty level 3,364 86.7% N/A
Below poverty level 515 13.3% N/A

Employment in Watertown

Workforce and job types in Watertown

The job market in Watertown is powered by 2,094 working residents, spread across a range of industries and roles. 78% of the working population are employed in professional or administrative positions, while 22% are in hands-on or service-based jobs. Also, 13.2% run their own businesses, 73.7% are employed by private companies, and 9.5% work in the public sector.

Workforce demographics

Working population
2,094
White collar
1,634
Blue collar
460
Value Percent YoY change
White collar 1,634 78% N/A
Blue collar 460 22% N/A
Employer type
Self employees
13.2%
Private companies
73.7%
Governmental workers
9.5%
Not for profit companies
3.6%
Value Percent YoY change
Self employees 276 13.2% N/A
Private companies 1,543 73.7% N/A
Governmental workers 199 9.5% N/A
Not for profit companies 76 3.6% N/A
Unemployment rate
2.3%

Available workforce

The unemployment rate in Watertown stands at 2.3%, 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 Watertown

How people get around in Watertown

Means of transportation
Value Percent YoY change
Car 1,709 81.6% N/A
Taxicab 18 0.9% N/A
Bus or trolleybus 34 1.6% N/A
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.

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FAQs about Watertown demographics 

What is the total population of Watertown?

Watertown has a total population of 3,897 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 % compared to a year ago.

What is the gender ratio in Watertown?

The gender ratio in Watertown is as follows:
  • 53.6% males (2,090 residents)
  • 46.4% females (1,807 residents)

What is the median age in Watertown?

The median age in Watertown is 43.9.

What is the age distribution of the population in Watertown?

The age distribution in Watertown is as follows:
  • Under 15: 21.5% (837 residents)
  • Ages 15-24: 5.1% (200 residents)
  • Ages 25-44: 23.9% (932 residents)
  • Ages 45-64: 31.2% (1,218 residents)
  • Over 65: 18.2% (710 residents)

What is the racial and ethnic makeup of Watertown?

The racial and ethnic makeup of Watertown is as follows:
  • White: 80.4% (3,135 residents)
  • Black or African American: 1.1% (43 residents)
  • American Indian and Alaska Native: 0% (0 residents)
  • Asian: 6.9% (269 residents)
  • Native Hawaiian and Other Pacific Islander: 0% (0 residents)
  • Two or More Races: 5.9% (231 residents)
  • Other: 5.6% (219 residents)

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

U.S.-born citizens represent 86.9% of the population in Watertown.

How many housing units are there in Watertown?

There are 1,539 housing units in Watertown, reflecting a % change compared to the previous year, according to the latest data from the U.S. Census Bureau.

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

Watertown has a total of 1,500 households, with an average of 3 people in each.

What is the median household income in Watertown?

Watertown has a median household income of $103,200, representing a % shift from the previous year, according to the U.S. Census Bureau.

What is the employment rate and job market overview for Watertown?

The employment rate is 97.7% in Watertown, with a workforce of 2,094 residents. Here’s a detailed breakdown of the local job market:

Job types:
  • White-collar workers: 78% (1,634 residents)
  • Blue-collar workers: 22% (460 residents)

Places of employment:
  • Self-employed: 13.2% (276 residents)
  • Private companies: 73.7% (1,543 residents)
  • Governmental workers: 9.5% (199 residents)
  • Not-for-profit companies: 3.6% (76 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