Griswold, CT demographics:
population, income, and more

Total population
10,291
0.4% year-over-year change
Median household income
$82,976/yr
-1.3% year-over-year change
Housing units
4,483
0.0% year-over-year change

Griswold population

How many people live in Griswold

Griswold is home to 10,291 residents, according to the most recent Census data. Gender-wise, 50.2% of Griswold locals are male, and 49.8% are female.

Total population
10,291
0.4% year-over-year change
Gender ratio
Male
50.2%
5,167
Female
49.8%
5,123
Value Percent YoY change
Male 5,167 50.2% 1.6%
Female 5,123 49.8% -0.8%
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 Griswold is 47, with the population distributed as follows: about 15.7% are children under 15, then 11.9% are in the 15 to 24 age group. Adults between 25 and 44 make up 20% of the population, while another 33.7% fall into the 45 to 64 bracket. Finally, around 18.7% are 65 or older.

Median age
46.9
Age breakdown
Under 15
15.7%
15 to 24
11.9%
25 to 44
20%
45 to 64
33.7%
Over 65
18.7%
Value Percent YoY change
Under 15 1,616 15.7% 3.5%
15 to 24 1,221 11.9% 3.9%
25 to 44 2,059 20% 2.8%
45 to 64 3,470 33.7% -5.6%
Over 65 1,924 18.7% 5.0%
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 Griswold, 95.3% of the population are US-born citizens, while 3.1% have gained naturalized citizenship. At the same time, 1.6% of residents are non-citizens. As for race, 88.5% of locals are Caucasian, 0.3% are African American and 1.6% have Asian roots. There’s also a share of 7.7% that includes residents with two or more races.

Citizenship
U.S.-born citizens
95.3%
Non-U.S.-born citizens
3.1%
Non-citizens
1.6%
Value Percent YoY change
U.S.-born citizens 9,802 95.3% -1.1%
Non-U.S.-born citizens 321 3.1% 53.6%
Non-citizens 167 1.6% 31.5%
Racial breakdown
White
88.5%
Black or African American
0.3%
American Indian and Alaska Native
1.1%
Asian
1.6%
Native Hawaiian and other Pacific Islander
0%
Two or more races
7.7%
Other
0.8%
Value Percent
White 9,103 88.5%
Black or African American 35 0.3%
American Indian and Alaska Native 115 1.1%
Asian 166 1.6%
Two or more races 788 7.7%
Other 83 0.8%

Households in Griswold

A peek inside Griswold households

Griswold has 4,283 households, with an average of 2 members in each. Of these, 69.2% are families, while the remaining 30.8% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
4,283
0.5% year-over-year change
Average people per household
2
Non-family households
1,317
Family households
2,966
Value Percent YoY change
Non-family households 1,317 30.8% 2.6%
Family households 2,966 69.2% -0.4%
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 Griswold

The housing landscape of Griswold

Griswold's housing consists of 4,483 units, with 69.7% being detached single-family homes ideal for those wanting space. Attached options, including duplexes and townhouses, make up 6.1% 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 5.3% of the housing landscape.

Housing units
4,483
0.0% year-over-year change
Housing types
Value Percent
1 unit, detached 3,122 69.7%
1 unit, attached 273 6.1%
2 units 174 3.9%
3 or 4 units 64 1.4%
5 to 9 units 177 4%
10 to 19 units 319 7.1%
20 to 49 units 85 1.9%
50 or more units 32 0.7%
Mobile home 236 5.3%
Homes built since 2020
47
27.0% year-over-year change

The age of buildings in Griswold

In Griswold, the median construction year is 1977. About 17.1% of homes were built before the 1940s, with another 2.7% going up by 1949. Most development happened in the second half of the 20th century. Then, 13.5% of homes were added from 2000 to 2009, 3.5% between 2010 and 2019, and 1% are part of the newest wave of development.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 767 17.1% -3.8%
Built between 1940 and 1949 122 2.7% -7.6%
Built between 1950 and 1959 294 6.6% -16.7%
Built between 1960 and 1969 460 10.3% 19.5%
Built between 1970 and 1979 866 19.3% 2.6%
Built between 1980 and 1989 896 20% 16.8%
Built between 1990 and 1999 269 6% -27.9%
Built between 2000 and 2009 604 13.5% -3.0%
Built between 2010 and 2019 157 3.5% -9.2%
Built in 2020 or later 47 1% 27.0%
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.

Griswold occupancy rates

Out of the 4,283 occupied housing units in Griswold, 79.5% are owner-occupied, while 20.5% are lived in by tenants. Meanwhile, 4.5% of all homes on the local market sit vacant.

Occupied housing units
4,283
0.5% year-over-year change
Occupancy breakdown
Renter occupied
877
Owner occupied
3,406
Value Percent YoY
change
Renter occupied 877 20.5% 5.2%
Owner occupied 3,406 79.5% -0.6%
Unoccupied housing units
4.5%
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.

Griswold housing costs

Housing costs in Griswold come to a median of $1,464 per month, while tenants specifically pay a median gross rent of $1,185.

Median housing costs per month
$1,464/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 Griswold
$1,185/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 Griswold

Griswold education at a glance

About 47.4% of the population in Griswold went to high school, while 22.7% pursued college studies. Another 9.6% earned an associate degree and 11.3% hold a bachelor’s. Meanwhile, 7.3% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 147 1.8% 3.5%
High school diploma 3,924 47.4% 2.2%
College diploma 1,878 22.7% -5.9%
Associate degree 798 9.6% 3.8%
Bachelor's degree 936 11.3% 4.8%
Graduate degree 604 7.3% 2.2%
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 Griswold

How much people earn in Griswold

The average annual household income in Griswold was $98,470 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a -1.2% change from the previous year. At the same time, the median income stood at $82,976, reflecting a -1.3% shift over the same period.

Average household income in Griswold
$98,470/year
-1.2% year-over-year change
Median household income in Griswold
$82,976/year
-1.3% year-over-year change

Griswold income by age

In Griswold, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $83,684. Those with someone between 45 and 64 in charge, often well established professionally, earn $98,570 overall. Younger households, where the main provider is under 25 and just starting out, report a median income of $110,781, while those led by someone over 65, many of whom may be retired, have about $63,611 in earnings. Overall, 92.6% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
Under 25 $110,781 N/A
25 - 44 $83,684 3.4%
45 - 64 $98,570 -1.7%
Over 65 $63,611 2.1%
Above poverty level
9,519
Below poverty level
760
Value Percent YoY
change
Above poverty level 9,519 92.6% 0.4%
Below poverty level 760 7.4% 0.4%

Employment in Griswold

Workforce and job types in Griswold

76.4% of the working population are employed in professional or administrative positions, while 23.6% are in hands-on or service-based jobs. Also, 6.8% run their own businesses, 71% are employed by private companies, and 13.5% work in the public sector.

Workforce demographics

White collar
3,953
Blue collar
1,218
Value Percent YoY change
White collar 3,953 76.4% -2.4%
Blue collar 1,218 23.6% -5.2%
Employer type
Self employees
6.8%
Private companies
71%
Governmental workers
13.5%
Not for profit companies
8.6%
Value Percent YoY change
Self employees 354 6.8% -14.3%
Private companies 3,670 71% -0.7%
Governmental workers 700 13.5% -8.7%
Not for profit companies 447 8.6% -2.2%

Transportation in Griswold

How people get around in Griswold

Commuting methods vary: 95.3% of residents travel by personal vehicle and 4.3% 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 4,390 95.3% -3.6%
Bus or trolleybus 13 0.3% -23.5%
Motorcycle 5 0.1% N/A
Walk 200 4.3% 17.6%
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 Griswold by zipcode?

Zipcode Population Number of households Median income Average income
06351 15,760 6,559 $82,976 $98,536

Explore more communities

FAQs about Griswold demographics 

What is the total population of Griswold?

Griswold has a total population of 10,291 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 Griswold?

The gender ratio in Griswold is as follows:
  • 50.2% males (5,167 residents)
  • 49.8% females (5,123 residents)

What is the median age in Griswold?

The median age in Griswold is 46.9.

What is the age distribution of the population in Griswold?

The age distribution in Griswold is as follows:
  • Under 15: 15.7% (1,616 residents)
  • Ages 15-24: 11.9% (1,221 residents)
  • Ages 25-44: 20% (2,059 residents)
  • Ages 45-64: 33.7% (3,470 residents)
  • Over 65: 18.7% (1,924 residents)

What is the racial and ethnic makeup of Griswold?

The racial and ethnic makeup of Griswold is as follows:
  • White: 88.5% (9,103 residents)
  • Black or African American: 0.3% (35 residents)
  • American Indian and Alaska Native: 1.1% (115 residents)
  • Asian: 1.6% (166 residents)
  • Native Hawaiian and Other Pacific Islander: 0% ( residents)
  • Two or More Races: 7.7% (788 residents)
  • Other: 0.8% (83 residents)

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

U.S.-born citizens represent 95.3% of the population in Griswold.

How many housing units are there in Griswold?

There are 4,483 housing units in Griswold, reflecting a +0.0% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

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

Griswold has a total of 4,283 households, with an average of 2 people in each.

What is the median household income in Griswold?

Griswold has a median household income of $82,976, representing a -1.3% shift from the previous year, according to the U.S. Census Bureau.

What is the job market overview for Griswold?

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

Job types:
  • White-collar workers: 76.4% (3,953 residents)
  • Blue-collar workers: 23.6% (1,218 residents)

Places of employment:
  • Self-employed: 6.8% (354 residents)
  • Private companies: 71% (3,670 residents)
  • Governmental workers: 13.5% (700 residents)
  • Not-for-profit companies: 8.6% (447 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