Postal Codes

06375 ZIP Code

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ZIP code 06375 covers Quaker Hill, Connecticut, with a population of about 3,667 and a median household income of $104,427.

Population
3,667464 per square mile
Median age
49.711 points above the US average
Median household income
$104,4271.1× the Connecticut median
Poverty rate
4.1%8.3 points below the US average
Typical home value
$407,127up 39.9% in five years
Median rent
$99830% below the Connecticut median
Degree or higher
31.4%3.6 points below the US average
Homeownership
84.9%19.9 points above the US average
Time zone
Eastern UTC-05:00observes daylight saving time
Businesses
42

Where 06375 is

Quaker Hill, 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

Population3,667
Median age49.7
Family households66.6%
Born outside the US5.2%
Speaks a language other than English at home5.4%
White (non-Hispanic)83.4%
Black (non-Hispanic)3%
Asian (non-Hispanic)4.1%
Hispanic or Latino6.2%
Veterans10.7%
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$104,427
Income per person$52,221
Poverty rate4.1%
Households on SNAP or cash assistance8.5%

Household income distribution

Under $10k0.7%
$10–15k0.0%
$15–20k0.0%
$20–25k7.0%
$25–30k0.6%
$30–35k0.4%
$35–40k0.0%
$40–45k1.6%
$45–50k0.0%
$50–60k5.4%
$60–75k10.0%
$75–100k22.9%
$100–125k15.3%
$125–150k5.4%
$150–200k17.0%
$200k or more13.6%

Income as declared to the IRS

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

Tax returns filed1,990
Mean adjusted gross income$87,053
Returns declaring $200,000 or more7%
Returns, under $25k20.6%
Returns, $25k–$50k18.6%
Returns, $50k–$75k17.1%
Returns, $75k–$100k13.6%
Returns, $100k–$200k23.1%
Returns, $200k or more7.0%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$294,600
Median gross rent$998
Rent as a share of household income26.5%
Owner-occupied84.9%
Vacant homes9.5%
Median year built1960

What the homes are

Detached house82.6%
Attached house4.9%
2 to 4 units5.6%
5 to 19 units4.8%
Mobile home2%
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$407,127as of 2026-07
Typical home value, 1 yearup 5.1%
Typical home value, 5 yearsup 39.9%
Typical home value, 10 yearsup 93.9%
Typical home value since 2000
201220192026$407,127$203,994

$203,994 in 2012 to $407,127 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate5.3%
Bachelor's degree or higher31.4%
High school diploma or higher95.2%
Works from home8.3%
Drives to work alone87%
Takes public transport0.1%
Commutes 45 minutes or more7.2%
Health

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

Obesity30.9% 2.5 pts below the national average of 33.4%
Diagnosed diabetes9.3% 2.7 pts below the national average of 12%
Currently smokes10.1% 3.1 pts below the national average of 13.2%
High blood pressure34.5% same as the national average of 34.1%
Fair or poor general health16% 4.3 pts below the national average of 20.3%
No health insurance (18–64)7.7% 3.6 pts below the national average of 11.3%
Depression22.8% 0.9 pts above the national average of 21.9%
No leisure-time physical activity24.5% 0.9 pts below the national average of 25.4%
Arthritis27.7% 2.6 pts above the national average of 25.1%
Binge drinking15.3% 0.7 pts below the national average of 16%
Taking blood pressure medication77.3% 2.6 pts above the national average of 74.7%
Cancer (non-skin)9.5% 1.8 pts above the national average of 7.7%
Current asthma11.5% 1.1 pts above the national average of 10.4%
Coronary heart disease6.2% same as the national average of 6.2%
Routine check-up in past year81.4% 4.7 pts above the national average of 76.7%
Cholesterol screening90.3% 4.4 pts above the national average of 85.9%
Cognitive disability12.7% 2.1 pts below the national average of 14.8%
Colorectal screening72.8% 8.5 pts above the national average of 64.3%
COPD6.1% 0.5 pts below the national average of 6.6%
Visited a dentist75.3% 14 pts above the national average of 61.3%
Any disability27.6% 3.1 pts below the national average of 30.7%
Lacks emotional support23.3% 1.5 pts below the national average of 24.8%
Food insecurity10.5% 6.6 pts below the national average of 17.1%
Received food stamps7.9% 6.4 pts below the national average of 14.3%
Hearing disability6.5% same as the national average of 6.7%
High cholesterol36.8% 0.6 pts above the national average of 36.2%
Housing insecurity9.3% 4.5 pts below the national average of 13.8%
Independent living disability6.6% 1.8 pts below the national average of 8.4%
Lacks transport6.3% 2.9 pts below the national average of 9.2%
Loneliness31.5% 2.9 pts below the national average of 34.4%
Mammography use79.7% 3.8 pts above the national average of 75.9%
Poor mental health (14+ days)15.6% 1.2 pts below the national average of 16.8%
Mobility disability11.7% 2.3 pts below the national average of 14%
Poor physical health (14+ days)13% 0.5 pts below the national average of 13.5%
Self-care disability3.1% 0.9 pts below the national average of 4%
Utility shut-off threat6% 2.8 pts below the national average of 8.8%
Sleeps under 7 hours34.7% 1.7 pts below the national average of 36.4%
Stroke3.2% same as the national average of 3.4%
All natural teeth lost10.4% 2.6 pts below the national average of 13%
Vision disability4% 1.6 pts below the national average of 5.6%
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Business and employment

Census ZIP Code Business Patterns 2022

Business establishments42
People employed358
Annual payroll$15,280,000
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$104,427$93,760$78,538
Income per person$52,221$54,409$43,289
Poverty rate4.1%10%12.4%
Median home value$294,600$343,200$303,400
Median gross rent$998$1,431$1,348
Homeownership84.9%66.2%65%
Bachelor's degree or higher31.4%41.9%35%
Unemployment rate5.3%5.6%5.2%
Works from home8.3%14.4%13.5%
Born outside the US5.2%15.4%13.9%
Median age49.741.238.7
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 stationGROTON, CT US8.9 km away
Rain in a year49 in
Snow in a year24 in

Average high and low by month

January38.8°F / 23.8°F3.91 in rain, 5.8 in snow
February40.8°F / 24.9°F3.42 in rain, 8.3 in snow
March47.3°F / 31.6°F4.92 in rain, 3.9 in snow
April56.9°F / 40.9°F4.4 in rain, 0.8 in snow
May66.4°F / 49.9°F3.67 in rain
June75.2°F / 59.3°F3.93 in rain
July80.8°F / 65.9°F3.42 in rain
August79.8°F / 65.1°F4.19 in rain
September73.6°F / 58°F4.29 in rain
October63.3°F / 47.1°F4.42 in rain
November53.2°F / 37.9°F3.75 in rain, 0.5 in snow
December44.1°F / 29.5°F4.59 in rain, 5.2 in snow
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 supermarket100% of this ZIP code's area
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%.

Waterford School District99.2% 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.

Walkability8.3 out of 20Below average
Nearby ZIP codes

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

06349 Groton, CT2.3 km away
06335 Gales Ferry, CT5 km away
06320 New London, CT5.9 km away
06382 Uncasville, CT6.6 km away
06385 Waterford, CT6.7 km away
06340 Groton, CT7.1 km away
06353 Montville, CT8.9 km away
06370 Oakdale, CT9.7 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.

New London County100% of this ZIP code's land area
Time zoneEastern (UTC-05:00 standard)
Daylight saving timeObserved
Land area7.9 sq mi
Water area0.8 sq mi
Population density464 people per sq mi
Latitude, longitude41.4032, -72.1172

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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