Postal Codes

95311 ZIP Code

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ZIP code 95311 covers Coulterville, California, with a population of about 2,282 and a median household income of $70,469.

Population
2,2829 per square mile
Median age
50.812.1 points above the US average
Median household income
$70,46927% below the California median
Poverty rate
22.4%10 points above the US average
Typical home value
$325,898down 6.4% in five years
Degree or higher
19.9%15.1 points below the US average
Homeownership
84.4%19.4 points above the US average
Time zone
Pacific UTC-08:00observes daylight saving time
Businesses
16

Where 95311 is

Coulterville, California — 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

Population2,282
Median age50.8
Family households49.5%
Born outside the US9.9%
Speaks a language other than English at home14.8%
White (non-Hispanic)69.5%
Black (non-Hispanic)0%
Asian (non-Hispanic)0.3%
Hispanic or Latino25%
Veterans4.7%
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$70,469
Income per person$38,465
Poverty rate22.4%
Households on SNAP or cash assistance9.2%

Household income distribution

Under $10k0.0%
$10–15k7.8%
$15–20k5.0%
$20–25k2.7%
$25–30k8.8%
$30–35k2.0%
$35–40k0.6%
$40–45k12.7%
$45–50k3.7%
$50–60k4.4%
$60–75k7.1%
$75–100k14.4%
$100–125k8.2%
$125–150k3.5%
$150–200k11.4%
$200k or more7.7%

Income as declared to the IRS

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

Tax returns filed760
Mean adjusted gross income$56,895
Returns declaring $200,000 or more2.6%
Returns, under $25k32.9%
Returns, $25k–$50k23.7%
Returns, $50k–$75k17.1%
Returns, $75k–$100k9.2%
Returns, $100k–$200k14.5%
Returns, $200k or more2.6%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$295,700
Owner-occupied84.4%
Vacant homes24.6%
Median year built1983

What the homes are

Detached house68.9%
Attached house1.7%
2 to 4 units1.5%
20 or more units0.1%
Mobile home27.8%
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$325,898as of 2026-07
Typical home value, 1 yeardown 3.3%
Typical home value, 5 yearsdown 6.4%
Typical home value, 10 yearsup 45%
Typical home value since 2000
200720162026$379,136$150,954

$236,354 in 2007 to $325,898 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate4.6%
Bachelor's degree or higher19.9%
High school diploma or higher90.6%
Works from home9.4%
Drives to work alone81.4%
Takes public transport0%
Commutes 45 minutes or more38.8%
Health

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

Obesity32.2% 1.2 pts below the national average of 33.4%
Diagnosed diabetes15.5% 3.5 pts above the national average of 12%
Currently smokes15% 1.8 pts above the national average of 13.2%
High blood pressure42.7% 8.6 pts above the national average of 34.1%
Fair or poor general health25.9% 5.6 pts above the national average of 20.3%
No health insurance (18–64)7.1% 4.2 pts below the national average of 11.3%
Depression23.5% 1.6 pts above the national average of 21.9%
No leisure-time physical activity27% 1.6 pts above the national average of 25.4%
Arthritis35.5% 10.4 pts above the national average of 25.1%
Binge drinking13.6% 2.4 pts below the national average of 16%
Taking blood pressure medication79.7% 5 pts above the national average of 74.7%
Cancer (non-skin)12.1% 4.4 pts above the national average of 7.7%
Current asthma11% 0.6 pts above the national average of 10.4%
Coronary heart disease10.4% 4.2 pts above the national average of 6.2%
Routine check-up in past year77.2% 0.5 pts above the national average of 76.7%
Cholesterol screening89.1% 3.2 pts above the national average of 85.9%
Cognitive disability15.5% 0.7 pts above the national average of 14.8%
Colorectal screening65.5% 1.2 pts above the national average of 64.3%
COPD10.5% 3.9 pts above the national average of 6.6%
Visited a dentist62.6% 1.3 pts above the national average of 61.3%
Any disability38.5% 7.8 pts above the national average of 30.7%
Lacks emotional support24% 0.8 pts below the national average of 24.8%
Food insecurity14.6% 2.5 pts below the national average of 17.1%
Received food stamps15.8% 1.5 pts above the national average of 14.3%
Hearing disability10.3% 3.6 pts above the national average of 6.7%
High cholesterol43.3% 7.1 pts above the national average of 36.2%
Housing insecurity11.2% 2.6 pts below the national average of 13.8%
Independent living disability10.5% 2.1 pts above the national average of 8.4%
Lacks transport8.2% 1 pts below the national average of 9.2%
Loneliness32.2% 2.2 pts below the national average of 34.4%
Mammography use72.9% 3 pts below the national average of 75.9%
Poor mental health (14+ days)17.1% same as the national average of 16.8%
Mobility disability21.1% 7.1 pts above the national average of 14%
Poor physical health (14+ days)17.9% 4.4 pts above the national average of 13.5%
Self-care disability5.6% 1.6 pts above the national average of 4%
Utility shut-off threat6.7% 2.1 pts below the national average of 8.8%
Sleeps under 7 hours33% 3.4 pts below the national average of 36.4%
Stroke5.3% 1.9 pts above the national average of 3.4%
All natural teeth lost11.2% 1.8 pts below the national average of 13%
Vision disability6.6% 1 pts above the national average of 5.6%
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Business and employment

Census ZIP Code Business Patterns 2022

Business establishments16
People employed44
Annual payroll$2,097,000
Natural hazard risk

FEMA National Risk Index, estimated for this ZIP code from census tract data — the NRI is not published per ZIP.

Overall riskHigher than 98.3% of US census tracts
FEMA ratingRelatively Moderate to Very High across the 3 census tracts this ZIP code covers
Expected annual loss97.9 out of 100
Community resilience20.4 out of 100

By hazard

Score is out of 100 and is the area-weighted average across the census tracts this ZIP code covers. The rating beside it is the highest any one of those tracts carries.

Landslide99.8Very High at its worst in this ZIP code
Wildfire99.8Very High at its worst in this ZIP code
Heat wave99.5Very High at its worst in this ZIP code
Drought90.9Relatively Moderate at its worst in this ZIP code
Lightning90.9Relatively High at its worst in this ZIP code
River flooding83.3Relatively High at its worst in this ZIP code
Winter weather79.4Relatively High at its worst in this ZIP code
Volcanic activity75.4Very Low at its worst in this ZIP code
Earthquake64.8Relatively Low at its worst in this ZIP code
Strong wind36.5Relatively Low at its worst in this ZIP code
Hail29.5Very Low at its worst in this ZIP code
Avalanche24Very Low at its worst in this ZIP code
Tornado8.6Very Low at its worst in this ZIP code
Compared with California 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 ZIPCaliforniaUnited States
Median household income$70,469$96,334$78,538
Income per person$38,465$47,977$43,289
Poverty rate22.4%12%12.4%
Median home value$295,700$695,400$303,400
Median gross rent$1,956$1,348
Homeownership84.4%55.8%65%
Bachelor's degree or higher19.9%36.5%35%
Unemployment rate4.6%6.4%5.2%
Works from home9.4%15.5%13.5%
Born outside the US9.9%26.7%13.9%
Median age50.837.638.7
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 stationGROVELAND 2, CA US16.7 km away
Rain in a year39 in
Snow in a year4 in

Average high and low by month

January53.4°F / 31°F7.2 in rain, 0.6 in snow
February55.3°F / 31.7°F6.93 in rain, 0.6 in snow
March60.1°F / 34.8°F6.29 in rain, 1.1 in snow
April64.8°F / 38.1°F2.98 in rain, 0.8 in snow
May73.2°F / 44°F2.24 in rain
June83.2°F / 50.9°F0.39 in rain
July91.2°F / 56.3°F0 in rain
August90.7°F / 54.9°F0.09 in rain
September84.7°F / 49.9°F0.3 in rain
October73.5°F / 41.8°F2.13 in rain
November60.1°F / 35.1°F3.5 in rain, 0.5 in snow
December52°F / 30.7°F6.61 in rain, 0.2 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 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.

Mariposa County Unified School District97.9% of this ZIP code's land area
Big Oak Flat-Groveland Unified School District2.1% 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.

Overall social vulnerability63more vulnerable than 63% of US census tracts
Socioeconomic status54more vulnerable than 54% of US census tracts
Household characteristics61more vulnerable than 61% of US census tracts
Racial and ethnic minority status45more vulnerable than 45% of US census tracts
Housing type and transport71more vulnerable than 71% of US census tracts
Walkability4 out of 20Least walkable
Nearby ZIP codes

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

95321 Groveland, CA12.3 km away
95305 Big Oak Flat, CA16.8 km away
95347 Moccasin, CA18.7 km away
95345 Midpines, CA21.3 km away
95329 La Grange, CA23.6 km away
95379 Tuolumne, CA29.4 km away
95309 Chinese Camp, CA29.6 km away
95318 El Portal, CA29.9 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.

Mariposa County97.9% of this ZIP code's land area
Tuolumne County2.1% of this ZIP code's land area
Time zonePacific (UTC-08:00 standard)
Daylight saving timeObserved
Land area242.09 sq mi
Water area3.91 sq mi
Population density9 people per sq mi
Latitude, longitude37.7197, -120.1197

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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