Postal Codes

94583 ZIP Code

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ZIP code 94583 covers San Ramon, California, with a population of about 39,418 and a median household income of $184,033.

Population
39,4181,856 per square mile
Median age
40.61.9 points above the US average
Median household income
$184,0331.9× the California median
Poverty rate
3.1%9.3 points below the US average
Typical home value
$1,367,453up 9.1% in five years
Median rent
$2,9731.5× the California median
Degree or higher
64.1%29.1 points above the US average
Homeownership
71.7%6.7 points above the US average
Time zone
Pacific UTC-08:00observes daylight saving time
Businesses
2,081

Where 94583 is

San Ramon, 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

Population39,418
Median age40.6
Family households77.8%
Born outside the US29.1%
Speaks a language other than English at home36.6%
White (non-Hispanic)45.1%
Black (non-Hispanic)1.8%
Asian (non-Hispanic)36.9%
Hispanic or Latino10.8%
Veterans3.3%
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$184,033
Income per person$76,332
Poverty rate3.1%
Households on SNAP or cash assistance3.6%

Household income distribution

Under $10k1.6%
$10–15k1.2%
$15–20k0.8%
$20–25k0.3%
$25–30k2.0%
$30–35k0.9%
$35–40k1.1%
$40–45k0.5%
$45–50k0.8%
$50–60k4.0%
$60–75k3.4%
$75–100k6.0%
$100–125k8.3%
$125–150k8.8%
$150–200k14.0%
$200k or more46.3%

Income as declared to the IRS

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

Tax returns filed20,110
Mean adjusted gross income$273,286
Returns declaring $200,000 or more39.2%
Returns, under $25k14.9%
Returns, $25k–$50k9.0%
Returns, $50k–$75k7.9%
Returns, $75k–$100k7.2%
Returns, $100k–$200k21.8%
Returns, $200k or more39.2%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$1,234,400
Median gross rent$2,973
Rent as a share of household income26.7%
Owner-occupied71.7%
Vacant homes3%
Median year built1981

What the homes are

Detached house67.6%
Attached house10.2%
2 to 4 units5.5%
5 to 19 units9.3%
20 or more units7.5%
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$1,367,453as of 2026-07
Typical home value, 1 yeardown 4.3%
Typical home value, 5 yearsup 9.1%
Typical home value, 10 yearsup 62.4%
Typical asking rent$2,977as of 2026-07
Typical asking rent, 1 yearup 3.4%
Typical asking rent, 5 yearsup 16.6%
Typical asking rent, 10 yearsup 33.2%
Typical home value since 2000
200020132026$1,562,689$352,205

$352,205 in 2000 to $1,367,453 in 2026.

Typical asking rent
201620212026$2,977$2,234

$2,234 in 2016 to $2,977 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate5.1%
Bachelor's degree or higher64.1%
High school diploma or higher96.8%
Works from home28.4%
Drives to work alone59.5%
Takes public transport2.6%
Commutes 45 minutes or more31.1%
Health

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

Obesity22.9% 10.5 pts below the national average of 33.4%
Diagnosed diabetes8.9% 3.1 pts below the national average of 12%
Currently smokes6.8% 6.4 pts below the national average of 13.2%
High blood pressure27.1% 7 pts below the national average of 34.1%
Fair or poor general health12.8% 7.5 pts below the national average of 20.3%
No health insurance (18–64)4% 7.3 pts below the national average of 11.3%
Depression17.9% 4 pts below the national average of 21.9%
No leisure-time physical activity17.8% 7.6 pts below the national average of 25.4%
Arthritis19.2% 5.9 pts below the national average of 25.1%
Binge drinking15.3% 0.7 pts below the national average of 16%
Taking blood pressure medication71.5% 3.2 pts below the national average of 74.7%
Cancer (non-skin)6.9% 0.8 pts below the national average of 7.7%
Current asthma8.6% 1.8 pts below the national average of 10.4%
Coronary heart disease4.2% 2 pts below the national average of 6.2%
Routine check-up in past year73.2% 3.5 pts below the national average of 76.7%
Cholesterol screening89.6% 3.7 pts above the national average of 85.9%
Cognitive disability9.1% 5.7 pts below the national average of 14.8%
Colorectal screening64.1% same as the national average of 64.3%
COPD3.3% 3.3 pts below the national average of 6.6%
Visited a dentist74.5% 13.2 pts above the national average of 61.3%
Any disability20.4% 10.3 pts below the national average of 30.7%
Lacks emotional support23.4% 1.4 pts below the national average of 24.8%
Food insecurity7.6% 9.5 pts below the national average of 17.1%
Received food stamps5.6% 8.7 pts below the national average of 14.3%
Hearing disability4.6% 2.1 pts below the national average of 6.7%
High cholesterol35.4% 0.8 pts below the national average of 36.2%
Housing insecurity7% 6.8 pts below the national average of 13.8%
Independent living disability4.9% 3.5 pts below the national average of 8.4%
Lacks transport4.8% 4.4 pts below the national average of 9.2%
Loneliness33.1% 1.3 pts below the national average of 34.4%
Mammography use77.7% 1.8 pts above the national average of 75.9%
Poor mental health (14+ days)13.2% 3.6 pts below the national average of 16.8%
Mobility disability8.4% 5.6 pts below the national average of 14%
Poor physical health (14+ days)9.5% 4 pts below the national average of 13.5%
Self-care disability2.1% 1.9 pts below the national average of 4%
Utility shut-off threat3.6% 5.2 pts below the national average of 8.8%
Sleeps under 7 hours32.9% 3.5 pts below the national average of 36.4%
Stroke2.2% 1.2 pts below the national average of 3.4%
All natural teeth lost4.2% 8.8 pts below the national average of 13%
Vision disability2.9% 2.7 pts below the national average of 5.6%
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Business and employment

Census ZIP Code Business Patterns 2022

Business establishments2,081
People employed36,109
Annual payroll$4,127,031,000
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 91.1% of US census tracts
FEMA ratingRelatively Moderate to Very High across the 13 census tracts this ZIP code covers
Expected annual loss96.1 out of 100
Community resilience56.8 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.

Earthquake95.4Very High at its worst in this ZIP code
River flooding93.6Very High at its worst in this ZIP code
Landslide87.1Relatively Moderate at its worst in this ZIP code
Wildfire84.3Relatively Moderate at its worst in this ZIP code
Heat wave66.2Relatively Moderate at its worst in this ZIP code
Volcanic activity59.8Very Low at its worst in this ZIP code
Lightning28.3Relatively Low at its worst in this ZIP code
Hail17Very Low at its worst in this ZIP code
Tornado16.1Very Low at its worst in this ZIP code
Strong wind13Very Low at its worst in this ZIP code
Winter weather11.7Very 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$184,033$96,334$78,538
Income per person$76,332$47,977$43,289
Poverty rate3.1%12%12.4%
Median home value$1,234,400$695,400$303,400
Median gross rent$2,973$1,956$1,348
Homeownership71.7%55.8%65%
Bachelor's degree or higher64.1%36.5%35%
Unemployment rate5.1%6.4%5.2%
Works from home28.4%15.5%13.5%
Born outside the US29.1%26.7%13.9%
Median age40.637.638.7
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 stationMT DIABLO JUNCTION, CA US13.8 km away
Rain in a year26 in
Snow in a year1 in

Average high and low by month

January53.7°F / 41.7°F5.06 in rain, 0.1 in snow
February54.6°F / 41.7°F4.9 in rain, 0.5 in snow
March57.9°F / 42.9°F3.69 in rain, 0.1 in snow
April62°F / 44.4°F1.92 in rain
May67.8°F / 49.3°F1.13 in rain
June75.9°F / 55.4°F0.27 in rain
July82.5°F / 61.5°F0.01 in rain
August82.8°F / 61°F0.03 in rain
September80°F / 59.7°F0.12 in rain
October71.7°F / 54°F1.19 in rain
November60.4°F / 46.2°F2.65 in rain
December53.4°F / 41.3°F5.08 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 supermarket61% of this ZIP code's area
No vehicle and far from a supermarket29% 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 3 school districts, so the address decides which one, not the ZIP code.

San Ramon Valley Unified School District97.3% of this ZIP code's land area
Acalanes Union High School District1.4% of this ZIP code's land area
Moraga Elementary School District1.3% 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 vulnerability19more vulnerable than 19% of US census tracts
Socioeconomic status11more vulnerable than 11% of US census tracts
Household characteristics36more vulnerable than 36% of US census tracts
Racial and ethnic minority status52more vulnerable than 52% of US census tracts
Housing type and transport29more vulnerable than 29% of US census tracts
Walkability11.4 out of 20Above average
Nearby ZIP codes

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

94570 Moraga, CA2.4 km away
94575 Moraga, CA2.4 km away
94582 San Ramon, CA3.3 km away
94568 Dublin, CA5.1 km away
94526 Danville, CA6.5 km away
94537 Fremont, CA8.9 km away
94540 Hayward, CA8.9 km away
94557 Hayward, CA8.9 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.

Contra Costa County100% of this ZIP code's land area
Time zonePacific (UTC-08:00 standard)
Daylight saving timeObserved
Land area21.24 sq mi
Water area0.02 sq mi
Population density1,856 people per sq mi
Latitude, longitude37.7562, -121.9522

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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