Groton, NY demographics:
population, income, and more

Total population
1,834
-7.1% year-over-year change
Median household income
$60,114/yr
4.8% year-over-year change
Housing units
945
-12.7% year-over-year change

Groton population

How many people live in Groton

Groton is home to 1,834 residents, according to the most recent Census data. Gender-wise, 46.7% of Groton locals are male, and 53.3% are female.

Total population
1,834
-7.1% year-over-year change
Gender ratio
Male
46.7%
857
Female
53.3%
977
Value Percent YoY change
Male 857 46.7% -6.2%
Female 977 53.3% -7.8%
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 Groton is 46, with the population distributed as follows: about 14.7% are children under 15, then 8% are in the 15 to 24 age group. Adults between 25 and 44 make up 25.5% of the population, while another 26.6% fall into the 45 to 64 bracket. Finally, around 25.3% are 65 or older.

Median age
46.2
Age breakdown
Under 15
14.7%
15 to 24
8%
25 to 44
25.5%
45 to 64
26.6%
Over 65
25.3%
Value Percent YoY change
Under 15 269 14.7% -1.1%
15 to 24 146 8% -9.9%
25 to 44 468 25.5% -8.9%
45 to 64 487 26.6% -8.3%
Over 65 464 25.3% -6.3%
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 Groton, 96.1% of the population are US-born citizens, while 3.4% have gained naturalized citizenship. At the same time, 0.6% of residents are non-citizens. As for race, 88.3% of locals are Caucasian, 1.2% are African American and 0.2% have Asian roots. There’s also a share of 9.4% that includes residents with two or more races.

Citizenship
U.S.-born citizens
96.1%
Non-U.S.-born citizens
3.4%
Non-citizens
0.6%
Value Percent YoY change
U.S.-born citizens 1,762 96.1% -7.9%
Non-U.S.-born citizens 62 3.4% 51.2%
Non-citizens 10 0.6% -50.0%
Racial breakdown
White
88.3%
Black or African American
1.2%
American Indian and Alaska Native
0%
Asian
0.2%
Native Hawaiian and other Pacific Islander
0%
Two or more races
9.4%
Other
0.8%
Value Percent
White 1,619 88.3%
Black or African American 23 1.2%
Asian 4 0.2%
Two or more races 173 9.4%
Other 15 0.8%

Households in Groton

A peek inside Groton households

Groton has 879 households, with an average of 2 members in each. Of these, 48.2% are families, while the remaining 51.8% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
879
-11.9% year-over-year change
Average people per household
2
Non-family households
455
Family households
424
Value Percent YoY change
Non-family households 455 51.8% -10.1%
Family households 424 48.2% -13.8%
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 Groton

The housing landscape of Groton

Groton's housing consists of 945 units, with 61.1% being detached single-family homes ideal for those wanting space. Then there are the multifamily buildings in the area, and for those seeking flexibility, non-traditional options like mobile homes account for 3.4% of the housing landscape.

Housing units
945
-12.7% year-over-year change
Housing types
Value Percent
1 unit, detached 577 61.1%
2 units 61 6.5%
3 or 4 units 114 12.1%
5 to 9 units 19 2%
10 to 19 units 68 7.2%
20 to 49 units 30 3.2%
50 or more units 44 4.7%
Mobile home 32 3.4%
Homes built since 2020
5
0.0% year-over-year change

The age of buildings in Groton

In Groton, the median construction year is 1938. About 55.4% of homes were built before the 1940s, with another 6.1% going up by 1949. Most development happened in the second half of the 20th century. Then, 1.5% of homes were added from 2000 to 2009, 2.9% between 2010 and 2019, and 0.5% are part of the newest wave of development.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 524 55.4% -8.4%
Built between 1940 and 1949 58 6.1% -14.7%
Built between 1950 and 1959 53 5.6% -24.3%
Built between 1960 and 1969 25 2.6% -3.9%
Built between 1970 and 1979 186 19.7% -14.7%
Built between 1980 and 1989 35 3.7% -32.7%
Built between 1990 and 1999 18 1.9% -60.0%
Built between 2000 and 2009 14 1.5% 16.7%
Built between 2010 and 2019 27 2.9% 92.9%
Built in 2020 or later 5 0.5% 0.0%
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.

Groton occupancy rates

Out of the 879 occupied housing units in Groton, 63.9% are owner-occupied, while 36.1% are lived in by tenants. Meanwhile, 7% of all homes on the local market sit vacant.

Occupied housing units
879
-11.9% year-over-year change
Occupancy breakdown
Renter occupied
317
Owner occupied
562
Value Percent YoY
change
Renter occupied 317 36.1% -13.9%
Owner occupied 562 63.9% -10.8%
Unoccupied housing units
7.0%
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.

Groton housing costs

Housing costs in Groton come to a median of $889 per month, while tenants specifically pay a median gross rent of $832.

Median housing costs per month
$889/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 Groton
$832/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 Groton

Groton education at a glance

About 39.9% of the population in Groton went to high school, while 23.5% pursued college studies. Another 12.5% earned an associate degree and 12.2% hold a bachelor’s. Meanwhile, 9.4% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 37 2.5% -5.1%
High school diploma 594 39.9% -9.6%
College diploma 350 23.5% -1.1%
Associate degree 186 12.5% -11.8%
Bachelor's degree 182 12.2% -18.8%
Graduate degree 140 9.4% 2.9%
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 Groton

How much people earn in Groton

The average annual household income in Groton was $77,923 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a +8.3% change from the previous year. At the same time, the median income stood at $60,114, reflecting a +4.8% shift over the same period.

Average household income in Groton
$77,923/year
8.3% year-over-year change
Median household income in Groton
$60,114/year
4.8% year-over-year change

Groton income by age

In Groton, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $86,029. Those with someone between 45 and 64 in charge, often well established professionally, earn $60,500 overall. Overall, 91.7% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
25 - 44 $86,029 28.5%
45 - 64 $60,500 -1.6%
Over 65 $47,868 -2.2%
Above poverty level
1,575
Below poverty level
143
Value Percent YoY
change
Above poverty level 1,575 91.7% -6.6%
Below poverty level 143 8.3% -24.7%

Average renter income in Groton

To get a better sense of what renters earn on average in Groton, their median household income was $37,308 according to 2022 Census data. In addition, the rent-to-income ratio in the area, at 26.8%, shows what portion of their earnings goes toward housing expenses.

Renter median household income
$37,308
Rent-to-income ratio
26.8%
Understanding the rent-to-income ratio can help renters gauge if local housing costs align with their earnings. A ratio under 30% usually signals affordability, while exceeding this mark means rent is taking a larger-than-recommended bite out of income. That could make it harder for you to cover other costs like transportation, healthcare, or child care.

Employment in Groton

Workforce and job types in Groton

The job market in Groton is powered by 913 working residents, spread across a range of industries and roles. 71.3% of the working population are employed in professional or administrative positions, while 28.7% are in hands-on or service-based jobs. Also, 8.6% run their own businesses, 56.7% are employed by private companies, and 10% work in the public sector.

Workforce demographics

Working population
913
-9.2% year-over-year change
White collar
651
Blue collar
262
Value Percent YoY change
White collar 651 71.3% -14.9%
Blue collar 262 28.7% 9.2%
Employer type
Self employees
8.6%
Private companies
56.7%
Governmental workers
10%
Not for profit companies
24.6%
Value Percent YoY change
Self employees 79 8.6% -28.2%
Private companies 518 56.7% -3.2%
Governmental workers 91 10% -22.2%
Not for profit companies 225 24.6% -7.4%
Unemployment rate
1.7%
-38.5% year-over-year change

Available workforce

The unemployment rate in Groton stands at 1.7%, 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 Groton

How people get around in Groton

Commuting methods vary: 83.3% of residents travel by personal vehicle and 4% 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 729 83.3% -11.8%
Bus or trolleybus 11 1.3% -38.9%
Walk 35 4% 75.0%
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 Groton by zipcode?

Zipcode Population Number of households Median income Average income
13073 6,054 2,570 $71,452 $89,854

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FAQs about Groton demographics 

What is the total population of Groton?

Groton has a total population of 1,834 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 -7.1% compared to a year ago.

What is the gender ratio in Groton?

The gender ratio in Groton is as follows:
  • 46.7% males (857 residents)
  • 53.3% females (977 residents)

What is the median age in Groton?

The median age in Groton is 46.2.

What is the age distribution of the population in Groton?

The age distribution in Groton is as follows:
  • Under 15: 14.7% (269 residents)
  • Ages 15-24: 8% (146 residents)
  • Ages 25-44: 25.5% (468 residents)
  • Ages 45-64: 26.6% (487 residents)
  • Over 65: 25.3% (464 residents)

What is the racial and ethnic makeup of Groton?

The racial and ethnic makeup of Groton is as follows:
  • White: 88.3% (1,619 residents)
  • Black or African American: 1.2% (23 residents)
  • American Indian and Alaska Native: 0% (0 residents)
  • Asian: 0.2% (4 residents)
  • Native Hawaiian and Other Pacific Islander: 0% (0 residents)
  • Two or More Races: 9.4% (173 residents)
  • Other: 0.8% (15 residents)

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

U.S.-born citizens represent 96.1% of the population in Groton.

How many housing units are there in Groton?

There are 945 housing units in Groton, reflecting a -12.7% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

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

Groton has a total of 879 households, with an average of 2 people in each.

What is the median household income in Groton?

Groton has a median household income of $60,114, representing a +4.8% shift from the previous year, according to the U.S. Census Bureau.

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

The employment rate is 98.3% in Groton, with a workforce of 913 residents. Here’s a detailed breakdown of the local job market:

Job types:
  • White-collar workers: 71.3% (651 residents)
  • Blue-collar workers: 28.7% (262 residents)

Places of employment:
  • Self-employed: 8.6% (79 residents)
  • Private companies: 56.7% (518 residents)
  • Governmental workers: 10% (91 residents)
  • Not-for-profit companies: 24.6% (225 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