Postal Codes

06231 ZIP Code

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ZIP code 06231 covers Amston, Connecticut, with a population of about 3,645 and a median household income of $159,844.

Population
3,645233 per square mile
Median age
45.46.7 points above the US average
Median household income
$159,8441.7× the Connecticut median
Poverty rate
5.7%6.7 points below the US average
Typical home value
$478,378up 43.4% in five years
Median rent
$1,5531.1× the Connecticut median
Degree or higher
53.5%18.5 points above the US average
Homeownership
92.5%27.5 points above the US average
Time zone
Eastern UTC-05:00observes daylight saving time
Businesses
29

Where 06231 is

Amston, Connecticut — the area the Census Bureau draws for this ZIP code. ZIP codes are sets of delivery routes rather than areas, so this is the Census approximation of one, not a Postal Service boundary.

People and households

American Community Survey 2019–2023 five-year estimates

Population3,645
Median age45.4
Family households77.6%
Born outside the US2.6%
Speaks a language other than English at home6.4%
White (non-Hispanic)86.9%
Black (non-Hispanic)0.4%
Asian (non-Hispanic)0.3%
Hispanic or Latino6.7%
Veterans8.2%
Population by age
MaleFemale0-45-910-1415-1920-2425-3435-4445-5455-6465-7475-8485+
Income and poverty

American Community Survey 2019–2023 five-year estimates

Median household income$159,844
Income per person$70,633
Poverty rate5.7%
Households on SNAP or cash assistance7.1%

Household income distribution

Under $10k1.2%
$10–15k1.5%
$15–20k0.0%
$20–25k1.9%
$25–30k0.6%
$30–35k4.7%
$35–40k1.3%
$40–45k0.0%
$45–50k3.3%
$50–60k4.2%
$60–75k5.6%
$75–100k7.4%
$100–125k11.4%
$125–150k2.6%
$150–200k25.3%
$200k or more28.8%

Income as declared to the IRS

Filed returns rather than survey responses, so this counts tax units and not households.

Tax returns filed2,000
Mean adjusted gross income$114,100
Returns declaring $200,000 or more14%
Returns, under $25k20.0%
Returns, $25k–$50k13.0%
Returns, $50k–$75k12.0%
Returns, $75k–$100k12.0%
Returns, $100k–$200k29.0%
Returns, $200k or more14.0%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$377,400
Median gross rent$1,553
Rent as a share of household income30.8%
Owner-occupied92.5%
Vacant homes8.4%
Median year built1984

What the homes are

Detached house94.1%
2 to 4 units5.3%
5 to 19 units0.5%
Home values and rents today

Zillow Home Value Index and Zillow Observed Rent Index, courtesy of Zillow. Monthly and current, where the Census figures above are a five-year average and are capped at $2,000,000.

Typical home value$478,378as of 2026-07
Typical home value, 1 yearup 5.9%
Typical home value, 5 yearsup 43.4%
Typical home value, 10 yearsup 84.2%
Typical home value since 2000
200020132026$478,378$179,066

$179,066 in 2000 to $478,378 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate5.1%
Bachelor's degree or higher53.5%
High school diploma or higher95%
Works from home21.1%
Drives to work alone65.7%
Takes public transport3.3%
Commutes 45 minutes or more20.7%
Health

CDC PLACES 2025 release, model-based estimates. These are modelled small-area estimates for adults, not counts of diagnosed cases.

Obesity30.7% 2.7 pts below the national average of 33.4%
Diagnosed diabetes8.1% 3.9 pts below the national average of 12%
Currently smokes9.1% 4.1 pts below the national average of 13.2%
High blood pressure29.7% 4.4 pts below the national average of 34.1%
Fair or poor general health12.4% 7.9 pts below the national average of 20.3%
No health insurance (18–64)5.1% 6.2 pts below the national average of 11.3%
Depression22% same as the national average of 21.9%
No leisure-time physical activity17% 8.4 pts below the national average of 25.4%
Arthritis24.7% same as the national average of 25.1%
Binge drinking16.3% same as the national average of 16%
Taking blood pressure medication76.8% 2.1 pts above the national average of 74.7%
Cancer (non-skin)9.5% 1.8 pts above the national average of 7.7%
Current asthma11% 0.6 pts above the national average of 10.4%
Coronary heart disease5.1% 1.1 pts below the national average of 6.2%
Routine check-up in past year80.6% 3.9 pts above the national average of 76.7%
Cholesterol screening91.4% 5.5 pts above the national average of 85.9%
Cognitive disability10.3% 4.5 pts below the national average of 14.8%
Colorectal screening72% 7.7 pts above the national average of 64.3%
COPD5% 1.6 pts below the national average of 6.6%
Visited a dentist79.6% 18.3 pts above the national average of 61.3%
Any disability19.5% 11.2 pts below the national average of 30.7%
Lacks emotional support19.1% 5.7 pts below the national average of 24.8%
Food insecurity7.8% 9.3 pts below the national average of 17.1%
Received food stamps5.9% 8.4 pts below the national average of 14.3%
Hearing disability5.2% 1.5 pts below the national average of 6.7%
High cholesterol38.6% 2.4 pts above the national average of 36.2%
Housing insecurity7.3% 6.5 pts below the national average of 13.8%
Independent living disability5.5% 2.9 pts below the national average of 8.4%
Lacks transport5% 4.2 pts below the national average of 9.2%
Loneliness29.8% 4.6 pts below the national average of 34.4%
Mammography use79.8% 3.9 pts above the national average of 75.9%
Poor mental health (14+ days)15% 1.8 pts below the national average of 16.8%
Mobility disability8.6% 5.4 pts below the national average of 14%
Poor physical health (14+ days)11.1% 2.4 pts below the national average of 13.5%
Self-care disability2.6% 1.4 pts below the national average of 4%
Utility shut-off threat5.1% 3.7 pts below the national average of 8.8%
Sleeps under 7 hours31.6% 4.8 pts below the national average of 36.4%
Stroke2.6% 0.8 pts below the national average of 3.4%
All natural teeth lost5.8% 7.2 pts below the national average of 13%
Vision disability3.1% 2.5 pts below the national average of 5.6%
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Business and employment

Census ZIP Code Business Patterns 2022

Business establishments29
People employed109
Annual payroll$5,032,000
Compared with Connecticut and the United States

State and national columns are figures for those areas, not for this ZIP code. American Community Survey 2019–2023 five-year estimates

This ZIPConnecticutUnited States
Median household income$159,844$93,760$78,538
Income per person$70,633$54,409$43,289
Poverty rate5.7%10%12.4%
Median home value$377,400$343,200$303,400
Median gross rent$1,553$1,431$1,348
Homeownership92.5%66.2%65%
Bachelor's degree or higher53.5%41.9%35%
Unemployment rate5.1%5.6%5.2%
Works from home21.1%14.4%13.5%
Born outside the US2.6%15.4%13.9%
Median age45.441.238.7
Climate

NOAA US Climate Normals 1991-2020, from the nearest weather station with a full year of records. The station and its distance are named above, because a station forty kilometres away describes somewhere else.

Weather stationWILLIMANTIC WINDHAM AP, CT US19.6 km away
Rain in a year43 in

Average high and low by month

January36.2°F / 18.1°F3.2 in rain
February38.8°F / 19.4°F2.66 in rain
March47°F / 27°F3.95 in rain
April59.2°F / 36.7°F3.97 in rain
May70°F / 46.9°F3.4 in rain
June77.9°F / 56.1°F3.87 in rain
July82.8°F / 61.9°F2.66 in rain
August81°F / 60.3°F4.37 in rain
September74.3°F / 52.4°F4.11 in rain
October62.8°F / 40.8°F3.83 in rain
November51.6°F / 31.4°F3.55 in rain
December41.3°F / 23.8°F3.68 in rain
Access to food

USDA Food Access Research Atlas, estimated for this ZIP code from census tract data. Each figure is the share of the ZIP code's land area that falls in a tract carrying that flag.

Low income and far from a supermarketNone of this ZIP code
Far from a supermarketNone of this ZIP code
No vehicle and far from a supermarketNone of this ZIP code
School districts

NCES Geographic Relationship File 2025, which states the association between each district and each ZIP code tabulation area directly. Elementary and secondary districts can cover the same ground, so shares need not total 100%.

This ZIP code is served by 2 school districts, so the address decides which one, not the ZIP code.

Hebron School District50% of this ZIP code's land area
Regional School District 0850% of this ZIP code's land area
Community and walkability

CDC/ATSDR Social Vulnerability Index 2022 and the EPA National Walkability Index, both estimated for this ZIP code from census tract data. Vulnerability figures are national percentile ranks, not measurements.

Walkability5 out of 20Least walkable
Nearby ZIP codes

The closest ZIP codes by centre point, which is not the same as sharing a border.

06474 North Westchester, CT6.2 km away
06248 Hebron, CT6.8 km away
06415 Colchester, CT7.2 km away
06447 Marlborough, CT8.1 km away
06237 Columbia, CT9 km away
06249 Lebanon, CT10 km away
06232 Andover, CT11.6 km away
06424 East Hampton, CT13.4 km away
Location, counties and time zone

County shares from Census 2020 ZCTA relationship files. Time zone from the USDOT National Transportation Atlas, which renders the boundaries written into 49 CFR Part 71.

Tolland County100% of this ZIP code's land area
Time zoneEastern (UTC-05:00 standard)
Daylight saving timeObserved
Land area15.66 sq mi
Water area0.18 sq mi
Population density233 people per sq mi
Latitude, longitude41.6290, -72.3646

Figures are published for this ZIP code or its Census tabulation area unless a section says otherwise. Estimates whose margin of error made them unreliable are omitted rather than shown. Sources: US Census Bureau, CDC, IRS.

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