PlainZIP

Amston, CT · standard

ZIP Code 06231

Tolland County, Connecticut - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.

4,083
99/sq mi
$168,313
Median income
$407,500
Median home value
59.2%
Bachelor's or higher

The verdict

Amston pairs a top-decile household income with upper-quartile home values, in a rural, homeowner-dominated area.

Top 2%
household income, US ZIPs
Top 20%
home value, US ZIPs
99
people per sq mi
91%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 06231 against every reporting US ZIP.

ZIP code 06231 covers 41.1 square miles in Amston, Tolland County, Connecticut (a standard USPS delivery area), with a modest 4,083 residents on file, a density of 99 people per square mile, in the New York time zone.

ZIP 06231 skews affluent, with a median household income of $168,313 (49% above the Connecticut average), while per-capita income is $71,798. 5.3% of residents live below the poverty line, and the unemployment rate reads 4.9%. Median home value sits at $407,500 (6% below the state average), median rent at $1,378 a month, and owner-occupancy at 91.0%.

This is a highly-educated ZIP: 59.2% of adults hold a bachelor's degree or higher, the median age is 44.5, and the average commute is 34 minutes. We also surface 10 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing Tolland County, so you can benchmark 06231 against its immediate geography rather than a national average alone.

Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →

Top industries in ZIP 06231

Top 5 sectors by establishment count in Amston, CT

Which industries have the most business establishments in ZIP 06231.

establishments

What this shows Establishment counts come from the Census ZIP Code Business Patterns program, which counts physical business locations rather than employees or revenue.

Source U.S. Census Bureau · ZIP Code Business Patterns (ZBP) As of 2023

Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, FHFA HPI for ZIP 06231, Amston, CT · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; FHFA HPI updated quarterly/annually.

Quick Facts

4,083

Population

41.1

Area (sq mi)

99

People / sq mi

New York

Time Zone

standard

ZIP Type

Neighborhood Scorecard
Get an A-F grade across income, safety, housing, rent, education, commute, and childcare for this ZIP code.
View Scorecard →

Who lives in ZIP 06231?

44.5

Median Age

50.1%

Male

49.9%

Female

2.7%

Foreign-Born

White 88.2%
African American 0.5%
Asian 0.6%
American Indian or Alaska Native 0.0%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 8.1%
Hispanic or Latino 7.5%

Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How much do residents earn?

$168,313

Median Household Income

+49% vs state

$71,798

Per Capita Income

5.3%

Poverty Rate

4.9%

Unemployment Rate

34.4 min

Mean Commute Time

How ZIP 06231 ranks nationally

Amston, CT household income vs. every US ZIP code

Median household income, the full national distribution, with this ZIP marked

$168,313 Top 2% higher than 98% of 30,318 US ZIPs

$0–$20,000: 118 US ZIPs (0%). Below this entry. $20,000–$40,000: 1,573 US ZIPs (5%). Below this entry. $40,000–$60,000: 7,092 US ZIPs (23%). Below this entry. $60,000–$80,000: 9,980 US ZIPs (33%). Below this entry. $80,000–$100,000: 5,778 US ZIPs (19%). Below this entry. $100,000–$120,000: 2,855 US ZIPs (9%). Below this entry. $120,000–$140,000: 1,362 US ZIPs (4%). Below this entry. $140,000–$160,000: 686 US ZIPs (2%). Below this entry. $160,000–$180,000: 364 US ZIPs (1%). This entry sits in this band. $180,000–$200,000: 186 US ZIPs (1%). Above this entry. $200,000–$220,000: 324 US ZIPs (1%). Above this entry. This ZIP $0 $200K+ every reporting US ZIP, bucketed by value

Each bar is a $20K-wide band; taller bars hold more US ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source U.S. Census Bureau, ACS 5-Year Estimates · 2019–2023

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What is the education profile here?

High School Graduate or Higher 74.5%
Bachelor's Degree or Higher 59.2%

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What does housing look like?

1,444

Total Housing Units

1,295

Occupied Units

149

Vacant Units

2.80

Avg Household Size

Occupancy Type

Owner 91.0%
Renter 9.0%

$407,500

Median Home Value

-6% vs state

$1,378

Median Rent

1985

Median Year Built

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How have home values changed over time?

FHFA House Price Index, annual appreciation data based on repeat sales and appraisals

+8.8%

YoY Change (2024)

209

HPI Index (2000 = 100)

+109%

Total Change Since 2000

Home values in ZIP 06231 have increased 8.8% over the past year (2024). Since 2000, this ZIP has seen +109% cumulative appreciation.

Year Annual Change HPI Index
2020 +3.6% 138
2021 +12.6% 156
2022 +10.9% 173
2023 +11.3% 192
2024 +8.8% 209

Source: Federal Housing Finance Agency (FHFA) House Price Index, All-Transactions, Five-Digit ZIP Codes (Developmental Index). Index base = 100 in year 2000. Data through 2024. ZIP codes with few transactions may show missing values.

What businesses operate in this ZIP?

Census Bureau data shows 32 business establishments in ZIP 06231, employing approximately 123 people with a combined annual payroll of $5,704,000.

32

Businesses

123

Employees

$5.7M

Annual Payroll

5

Industry Sectors

Industry Establishments % of Total
Professional, scientific, and technical services 8 25.0%
Health care and social assistance 5 15.6%
Construction 4 12.5%
Other services (except public administration) 4 12.5%
Administrative and support and waste management and remediation services 3 9.4%

Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.

Nearby ZIP Codes

Want a side-by-side? Compare 06231 vs 06415 →

ZIP 06231 vs its nearest neighbors, by population

Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.

residents

What this shows Among its immediate neighbors, ZIP 06231 ranks #9 by population - useful context the national average alone can't give.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023

ZIP 06231 vs its nearest neighbors, by median income

Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.

median income

What this shows By household income, ZIP 06231 ranks the highest of 9 neighboring ZIPs, local affluence varies block to block, not just metro to metro.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023
ZIP Code City Population Distance
06415 Colchester, CT 16,857 4.8 mi
06447 Marlborough, CT 6,404 4.4 mi
06248 Hebron, CT 5,603 4.5 mi
06232 Andover, CT 3,297 7.4 mi
06237 Columbia, CT 5,492 5.8 mi
06249 Lebanon, CT 7,308 6.7 mi
06469 Moodus, CT 3,209 9.0 mi
06424 East Hampton, CT 12,808 8.4 mi
06043 Bolton, CT 4,986 10.4 mi
06420 Salem, CT 4,182 11.1 mi

More ZIP Codes in Tolland County

06066 standard
Vernon Rockville, CT
Pop: 29,219
06029 standard
Ellington, CT
Pop: 15,547
06084 standard
Tolland, CT
Pop: 15,067
06076 standard
Stafford Springs, CT
Pop: 12,659
06238 standard
Coventry, CT
Pop: 12,428
06071 standard
Somers, CT
Pop: 11,645

Related Areas

Tolland County Amston, CT Connecticut

Frequently Asked Questions

What county is ZIP code 06231 in? ▼
ZIP code 06231 (Amston) is located in Tolland County, Connecticut. Tolland County contains multiple ZIP codes, see the full list at /counties/tolland-ct.
What is the population of ZIP code 06231? ▼
ZIP code 06231 in Amston, CT has a population of 4,083 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 06231? ▼
The median household income in ZIP 06231 is $168,313, which is 121% above the national average of $76,288.
What is the average home value in ZIP 06231? ▼
The median home value in ZIP 06231 is $407,500, which is 47% above the national average of $278,155.
What is the demographic makeup of ZIP 06231? ▼
The largest racial group in ZIP 06231 is White at 88.2%. Hispanic or Latino residents make up 7.5% of the population.
How many businesses are in ZIP code 06231? ▼
ZIP code 06231 has 32 business establishments employing approximately 123 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 06231? ▼
The top industries by establishment count in ZIP 06231 are: Professional, scientific, and technical services (8), Health care and social assistance (5), Construction (4). There are 5 industry sectors represented in total.
How have home values changed in ZIP code 06231? ▼
According to the FHFA House Price Index, home values in ZIP 06231 increased by 8.8% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 109%. This is a developmental index based on repeat sales and appraisal data from Fannie Mae and Freddie Mac.
What is the education level in ZIP code 06231? ▼
In ZIP code 06231, 74.5% of residents aged 25+ have a high school diploma or higher, and 59.2% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What is the average commute time in ZIP 06231? ▼
The mean commute time for workers in ZIP code 06231 is 34.4 minutes according to Census ACS data. The national average is roughly 26 minutes, so commuters here spend more time traveling to work than typical.
What percentage of residents own vs. rent in ZIP 06231? ▼
In ZIP code 06231, approximately 91.0% of occupied housing units are owner-occupied and 9.0% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 06231? ▼
The poverty rate in ZIP code 06231 is 5.3% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.

Read our methodology to see how this data is sourced, computed, and verified.