Postal Codes

95945 ZIP Code

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ZIP code 95945 covers Grass Valley, California, with a population of about 27,675 and a median household income of $61,068.

Population
27,675453 per square mile
Median age
49.410.7 points above the US average
Median household income
$61,06837% below the California median
Poverty rate
14.1%1.7 points above the US average
Typical home value
$488,233up 0.6% in five years
Median rent
$1,42027% below the California median
Degree or higher
32.4%2.6 points below the US average
Homeownership
56.4%8.6 points below the US average
Time zone
Pacific UTC-08:00observes daylight saving time
Businesses
1,028

Where 95945 is

Grass Valley, 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

Population27,675
Median age49.4
Family households53.9%
Born outside the US7.4%
Speaks a language other than English at home10.9%
White (non-Hispanic)80.9%
Black (non-Hispanic)0.3%
Asian (non-Hispanic)0.9%
Hispanic or Latino10.9%
Veterans8%
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$61,068
Income per person$38,216
Poverty rate14.1%
Households on SNAP or cash assistance15.8%

Household income distribution

Under $10k5.9%
$10–15k3.9%
$15–20k4.6%
$20–25k6.0%
$25–30k5.1%
$30–35k4.9%
$35–40k3.7%
$40–45k4.0%
$45–50k4.8%
$50–60k5.9%
$60–75k11.6%
$75–100k9.2%
$100–125k10.6%
$125–150k4.9%
$150–200k7.0%
$200k or more7.9%

Income as declared to the IRS

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

Tax returns filed11,680
Mean adjusted gross income$74,079
Returns declaring $200,000 or more5.6%
Returns, under $25k29.1%
Returns, $25k–$50k23.8%
Returns, $50k–$75k15.5%
Returns, $75k–$100k10.0%
Returns, $100k–$200k16.0%
Returns, $200k or more5.6%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$496,600
Median gross rent$1,420
Rent as a share of household income39%
Owner-occupied56.4%
Vacant homes8%
Median year built1978

What the homes are

Detached house69.3%
Attached house2.6%
2 to 4 units8.5%
5 to 19 units7.3%
20 or more units7.6%
Mobile home4.5%
Boat, RV or van0.2%
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$488,233as of 2026-07
Typical home value, 1 yearup 0.3%
Typical home value, 5 yearsup 0.6%
Typical home value, 10 yearsup 47.3%
Typical asking rent$1,996as of 2026-07
Typical asking rent, 1 yearup 6.6%
Typical home value since 2000
200120132026$516,077$181,355

$181,355 in 2001 to $488,233 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate4.7%
Bachelor's degree or higher32.4%
High school diploma or higher93.7%
Works from home14.7%
Drives to work alone72.2%
Takes public transport0%
Commutes 45 minutes or more12.3%
Health

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

Obesity28.8% 4.6 pts below the national average of 33.4%
Diagnosed diabetes12.4% same as the national average of 12%
Currently smokes12.8% same as the national average of 13.2%
High blood pressure38.8% 4.7 pts above the national average of 34.1%
Fair or poor general health21.8% 1.5 pts above the national average of 20.3%
No health insurance (18–64)6.3% 5 pts below the national average of 11.3%
Depression24.2% 2.3 pts above the national average of 21.9%
No leisure-time physical activity23% 2.4 pts below the national average of 25.4%
Arthritis31.4% 6.3 pts above the national average of 25.1%
Binge drinking14.9% 1.1 pts below the national average of 16%
Taking blood pressure medication77.9% 3.2 pts above the national average of 74.7%
Cancer (non-skin)11.6% 3.9 pts above the national average of 7.7%
Current asthma10.8% same as the national average of 10.4%
Coronary heart disease8.6% 2.4 pts above the national average of 6.2%
Routine check-up in past year76.2% 0.5 pts below the national average of 76.7%
Cholesterol screening88.2% 2.3 pts above the national average of 85.9%
Cognitive disability14.7% same as the national average of 14.8%
Colorectal screening67.4% 3.1 pts above the national average of 64.3%
COPD8.5% 1.9 pts above the national average of 6.6%
Visited a dentist66.1% 4.8 pts above the national average of 61.3%
Any disability35.3% 4.6 pts above the national average of 30.7%
Lacks emotional support22.4% 2.4 pts below the national average of 24.8%
Food insecurity12.8% 4.3 pts below the national average of 17.1%
Received food stamps14.2% same as the national average of 14.3%
Hearing disability9% 2.3 pts above the national average of 6.7%
High cholesterol38.6% 2.4 pts above the national average of 36.2%
Housing insecurity10.3% 3.5 pts below the national average of 13.8%
Independent living disability9.7% 1.3 pts above the national average of 8.4%
Lacks transport7.6% 1.6 pts below the national average of 9.2%
Loneliness31.9% 2.5 pts below the national average of 34.4%
Mammography use75.2% 0.7 pts below the national average of 75.9%
Poor mental health (14+ days)17% same as the national average of 16.8%
Mobility disability17.9% 3.9 pts above the national average of 14%
Poor physical health (14+ days)15.6% 2.1 pts above the national average of 13.5%
Self-care disability4.6% 0.6 pts above the national average of 4%
Utility shut-off threat6.4% 2.4 pts below the national average of 8.8%
Sleeps under 7 hours31.4% 5 pts below the national average of 36.4%
Stroke4.5% 1.1 pts above the national average of 3.4%
All natural teeth lost9.2% 3.8 pts below the national average of 13%
Vision disability5.6% same as the national average of 5.6%
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Business and employment

Census ZIP Code Business Patterns 2022

Business establishments1,028
People employed10,173
Annual payroll$512,749,000
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 87.5% of US census tracts
FEMA ratingVery Low to Very High across the 10 census tracts this ZIP code covers
Expected annual loss84.4 out of 100
Community resilience53.8 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.

Wildfire99.3Very High at its worst in this ZIP code
Landslide93.7Relatively Moderate at its worst in this ZIP code
River flooding83.4Very High at its worst in this ZIP code
Avalanche82.7Relatively Moderate at its worst in this ZIP code
Earthquake75.9Relatively Moderate at its worst in this ZIP code
Lightning74.9Relatively High at its worst in this ZIP code
Volcanic activity68.7Very Low at its worst in this ZIP code
Winter weather64.8Relatively Moderate at its worst in this ZIP code
Hail61.5Relatively Low at its worst in this ZIP code
Heat wave45.9Relatively Low at its worst in this ZIP code
Tornado25.1Relatively Low at its worst in this ZIP code
Strong wind16.7Very 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$61,068$96,334$78,538
Income per person$38,216$47,977$43,289
Poverty rate14.1%12%12.4%
Median home value$496,600$695,400$303,400
Median gross rent$1,420$1,956$1,348
Homeownership56.4%55.8%65%
Bachelor's degree or higher32.4%36.5%35%
Unemployment rate4.7%6.4%5.2%
Works from home14.7%15.5%13.5%
Born outside the US7.4%26.7%13.9%
Median age49.437.638.7
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 stationNEVADA CITY, CA US4.3 km away
Rain in a year62 in
Snow in a year14 in

Average high and low by month

January50.6°F / 35.4°F10.87 in rain, 2.3 in snow
February52.8°F / 35.2°F10.49 in rain, 4.6 in snow
March57°F / 37.2°F9.86 in rain, 3.2 in snow
April62.5°F / 39.9°F5.24 in rain, 0.9 in snow
May70.6°F / 47.1°F2.88 in rain
June79.4°F / 53.7°F0.94 in rain
July87.2°F / 59.7°F0.03 in rain
August86.7°F / 59°F0.14 in rain
September81.8°F / 55.2°F0.53 in rain
October70.6°F / 47.3°F2.87 in rain
November57°F / 39.6°F6.19 in rain, 0.8 in snow
December48.3°F / 34.6°F12.22 in rain, 2.7 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 supermarket20% of this ZIP code's area
Far from a supermarket20% of this ZIP code's area
No vehicle and far from a supermarket6% of this ZIP code's area
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 5 school districts, so the address decides which one, not the ZIP code.

Nevada Joint Union High School District50% of this ZIP code's land area
Grass Valley Elementary School District25.4% of this ZIP code's land area
Nevada City Elementary School District14.3% of this ZIP code's land area
Chicago Park Elementary School District5.1% of this ZIP code's land area
Union Hill Elementary School District4.9% 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 vulnerability38more vulnerable than 38% of US census tracts
Socioeconomic status41more vulnerable than 41% of US census tracts
Household characteristics49more vulnerable than 49% of US census tracts
Racial and ethnic minority status25more vulnerable than 25% of US census tracts
Housing type and transport38more vulnerable than 38% of US census tracts
Walkability6.8 out of 20Below average
Nearby ZIP codes

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

95924 Cedar Ridge, CA1.5 km away
95712 Chicago Park, CA8 km away
95959 Nevada City, CA10.8 km away
95949 Grass Valley, CA12.4 km away
95975 Rough And Ready, CA12.6 km away
95717 Gold Run, CA13.3 km away
95713 Colfax, CA15.1 km away
95714 Dutch Flat, CA15.6 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.

Nevada County100% of this ZIP code's land area
Time zonePacific (UTC-08:00 standard)
Daylight saving timeObserved
Land area61.14 sq mi
Water area0.88 sq mi
Population density453 people per sq mi
Latitude, longitude39.2081, -121.0069

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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