Postal Codes

94523 ZIP Code

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ZIP code 94523 covers Pleasant Hill, California, with a population of about 34,789 and a median household income of $142,622.

Population
34,7894,828 per square mile
Median age
42.63.9 points above the US average
Median household income
$142,6221.5× the California median
Poverty rate
6.4%6 points below the US average
Typical home value
$987,631up 5% in five years
Median rent
$2,4791.3× the California median
Degree or higher
55.9%20.9 points above the US average
Homeownership
63.5%1.5 points below the US average
Time zone
Pacific UTC-08:00observes daylight saving time
Businesses
1,130

Where 94523 is

Pleasant Hill, 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

Population34,789
Median age42.6
Family households66.4%
Born outside the US18.7%
Speaks a language other than English at home23.8%
White (non-Hispanic)56.1%
Black (non-Hispanic)3.5%
Asian (non-Hispanic)17.1%
Hispanic or Latino15.2%
Veterans3.9%
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$142,622
Income per person$68,262
Poverty rate6.4%
Households on SNAP or cash assistance4.9%

Household income distribution

Under $10k3.4%
$10–15k0.9%
$15–20k1.8%
$20–25k1.0%
$25–30k0.4%
$30–35k1.3%
$35–40k3.3%
$40–45k1.0%
$45–50k2.2%
$50–60k4.2%
$60–75k5.8%
$75–100k8.7%
$100–125k10.6%
$125–150k7.9%
$150–200k16.4%
$200k or more31.0%

Income as declared to the IRS

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

Tax returns filed16,940
Mean adjusted gross income$138,185
Returns declaring $200,000 or more21.5%
Returns, under $25k17.4%
Returns, $25k–$50k13.7%
Returns, $50k–$75k12.0%
Returns, $75k–$100k10.4%
Returns, $100k–$200k25.0%
Returns, $200k or more21.5%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$1,038,400
Median gross rent$2,479
Rent as a share of household income34.3%
Owner-occupied63.5%
Vacant homes5.3%
Median year built1971

What the homes are

Detached house60.5%
Attached house9.6%
2 to 4 units6.5%
5 to 19 units6.7%
20 or more units16.4%
Mobile home0.4%
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$987,631as of 2026-07
Typical home value, 1 yearup 0%
Typical home value, 5 yearsup 5%
Typical home value, 10 yearsup 51.9%
Typical asking rent$2,756as of 2026-07
Typical asking rent, 1 yearup 1.6%
Typical asking rent, 5 yearsup 15.1%
Typical home value since 2000
200020132026$1,054,604$324,514

$324,514 in 2000 to $987,631 in 2026.

Typical asking rent
201820222026$2,756$2,157

$2,157 in 2018 to $2,756 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate4.4%
Bachelor's degree or higher55.9%
High school diploma or higher95.9%
Works from home22.8%
Drives to work alone55.9%
Takes public transport5.8%
Commutes 45 minutes or more27.3%
Health

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

Obesity26.4% 7 pts below the national average of 33.4%
Diagnosed diabetes9.3% 2.7 pts below the national average of 12%
Currently smokes8.3% 4.9 pts below the national average of 13.2%
High blood pressure29.5% 4.6 pts below the national average of 34.1%
Fair or poor general health15.1% 5.2 pts below the national average of 20.3%
No health insurance (18–64)5.1% 6.2 pts below the national average of 11.3%
Depression20.6% 1.3 pts below the national average of 21.9%
No leisure-time physical activity19.3% 6.1 pts below the national average of 25.4%
Arthritis22.4% 2.7 pts below the national average of 25.1%
Binge drinking16.4% same as the national average of 16%
Taking blood pressure medication72.4% 2.3 pts below the national average of 74.7%
Cancer (non-skin)8.2% 0.5 pts above the national average of 7.7%
Current asthma9.6% 0.8 pts below the national average of 10.4%
Coronary heart disease5.1% 1.1 pts below the national average of 6.2%
Routine check-up in past year73% 3.7 pts below the national average of 76.7%
Cholesterol screening88.6% 2.7 pts above the national average of 85.9%
Cognitive disability11% 3.8 pts below the national average of 14.8%
Colorectal screening67.3% 3 pts above the national average of 64.3%
COPD4.4% 2.2 pts below the national average of 6.6%
Visited a dentist72.3% 11 pts above the national average of 61.3%
Any disability24.6% 6.1 pts below the national average of 30.7%
Lacks emotional support22.4% 2.4 pts below the national average of 24.8%
Food insecurity9.1% 8 pts below the national average of 17.1%
Received food stamps7.8% 6.5 pts below the national average of 14.3%
Hearing disability5.6% 1.1 pts below the national average of 6.7%
High cholesterol35.6% 0.6 pts below the national average of 36.2%
Housing insecurity8.5% 5.3 pts below the national average of 13.8%
Independent living disability6.2% 2.2 pts below the national average of 8.4%
Lacks transport5.8% 3.4 pts below the national average of 9.2%
Loneliness33.4% 1 pts below the national average of 34.4%
Mammography use77.5% 1.6 pts above the national average of 75.9%
Poor mental health (14+ days)15.1% 1.7 pts below the national average of 16.8%
Mobility disability10.5% 3.5 pts below the national average of 14%
Poor physical health (14+ days)11.1% 2.4 pts below the national average of 13.5%
Self-care disability2.7% 1.3 pts below the national average of 4%
Utility shut-off threat4.5% 4.3 pts below the national average of 8.8%
Sleeps under 7 hours33% 3.4 pts below the national average of 36.4%
Stroke2.7% 0.7 pts below the national average of 3.4%
All natural teeth lost6.4% 6.6 pts below the national average of 13%
Vision disability3.5% 2.1 pts below the national average of 5.6%
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Business and employment

Census ZIP Code Business Patterns 2022

Business establishments1,130
People employed13,311
Annual payroll$655,791,000
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 92.1% of US census tracts
FEMA ratingRelatively Moderate to Very High across the 11 census tracts this ZIP code covers
Expected annual loss94.1 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.

Earthquake96.8Very High at its worst in this ZIP code
River flooding91.8Very High at its worst in this ZIP code
Heat wave72.4Relatively Moderate at its worst in this ZIP code
Landslide65Relatively High at its worst in this ZIP code
Volcanic activity64.9Very Low at its worst in this ZIP code
Wildfire40.5Relatively High at its worst in this ZIP code
Lightning33.1Relatively Low at its worst in this ZIP code
Hail18.9Very Low at its worst in this ZIP code
Tornado18.5Very Low at its worst in this ZIP code
Strong wind12.9Very Low at its worst in this ZIP code
Drought11.3Very Low at its worst in this ZIP code
Winter weather0.9Very 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$142,622$96,334$78,538
Income per person$68,262$47,977$43,289
Poverty rate6.4%12%12.4%
Median home value$1,038,400$695,400$303,400
Median gross rent$2,479$1,956$1,348
Homeownership63.5%55.8%65%
Bachelor's degree or higher55.9%36.5%35%
Unemployment rate4.4%6.4%5.2%
Works from home22.8%15.5%13.5%
Born outside the US18.7%26.7%13.9%
Median age42.637.638.7
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 stationCONCORD WWTP, CA US3.3 km away
Rain in a year18 in

Average high and low by month

January58.4°F / 41.7°F3.46 in rain
February63.2°F / 44.1°F3.57 in rain
March67.7°F / 46.8°F2.57 in rain
April72.2°F / 49.2°F1.23 in rain
May78°F / 53.1°F0.61 in rain
June84.6°F / 56.7°F0.12 in rain
July88.3°F / 58.3°F0 in rain
August88.2°F / 58.8°F0.02 in rain
September86.1°F / 57.6°F0.06 in rain
October78.2°F / 53.1°F0.68 in rain
November66.7°F / 45.9°F1.87 in rain
December58.7°F / 41.2°F3.55 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 supermarket20% 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%.

Mount Diablo Unified School District100% 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 status21more vulnerable than 21% of US census tracts
Household characteristics58more vulnerable than 58% of US census tracts
Racial and ethnic minority status58more vulnerable than 58% of US census tracts
Housing type and transport46more vulnerable than 46% of US census tracts
Walkability12.9 out of 20Above average
Nearby ZIP codes

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

94597 Walnut Creek, CA4 km away
94518 Concord, CA4.2 km away
94520 Concord, CA4.6 km away
94522 Concord, CA4.6 km away
94524 Concord, CA4.6 km away
94529 Concord, CA4.6 km away
94596 Walnut Creek, CA5.7 km away
94598 Walnut Creek, CA5.7 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.

Contra Costa County100% of this ZIP code's land area
Time zonePacific (UTC-08:00 standard)
Daylight saving timeObserved
Land area7.21 sq mi
Population density4,828 people per sq mi
Latitude, longitude37.9540, -122.0737

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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