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Alamo, CA

Census-designated place in Contra Costa County, California. ZIP codes: 94507.

Population

14,488

Land area

9.8sq mi

People per sq mi

1,476

ZIP codes

1

Alamo and its ZIP codes

Full map

Alamo at a glance

  • Alamo is about 5.9 times as dense as California as a whole.
  • The median household income is more than $250,000, the highest bracket the Census Bureau reports.
  • A typical owner-occupied home is valued at more than $2,000,000 and median rent is more than $3,500 a month.

Local data for Alamo, CA

Counts from official public data

Housing and community stats

Alamo, CA, American Community Survey 2020-2024

Full profile

Median household income

$250,000+

Poverty rate

2.1%

Median home value

$2,000,000+

Median rent

$3,500+/mo

Homeownership

91.8%

Bachelor's or higher

77.5%

Median age

49.8

Average commute

29.2 min

Largest reported origins and ancestries: Irish Americans (1,897), German Americans (1,806), Italian Americans (1,068).

Home values and rentsIncome, education and commute

Economy and federal money

Jobs, pay, income and spending are for Contra Costa County. PPP loans are for Alamo.

Details

Unemployment rate

5.0%

Aug 2026, -0.2 pts in a year

Average annual pay

$87,200

374,448 jobs, 2025

Income per person

$108,259

BEA, 2024

Federal spending

$7.1B

FY 2026, $6,088 per person

PPP loans

$45.3M

632 loans, 4,884 jobs reported

Contra Costa County economyFederal spendingPPP loans

How people get to work

Alamo, CA, workers 16 and older. American Community Survey 5-year estimates

  • Drove alone54.1%
  • Carpooled8.1%
  • Public transit2.3%
  • Walked2.3%
  • Bicycle0.3%
  • Taxi, ride-hailing, motorcycle or other1.5%
  • Worked from home31.5%

Average one-way commute: 29.2 minutes for people who do not work from home.

Environment and hazard risk

Alamo, CA, from FEMA, NOAA and EPA

Full report

Natural hazard risk

Very High

Top: earthquake

Storm events since 1996

472

Countywide, mostly strong wind

Flood insurance policies

2,681

0.9% of homes, county

July high / Jan low

83° / 42°F

26.1 inches of rain a year

Hazards, floods and storm historyCheck a flood zone

Health statistics

Share of adults in Alamo, CA, CDC PLACES estimates

All 40 measures

Obesity

24.0%

U.S. 33.3% -9.3 pts

Diabetes

9.3%

U.S. 12.1% -2.8 pts

Smoking

5.7%

U.S. 12.8% -7.1 pts

Uninsured (18-64)

2.9%

U.S. 11.1% -8.2 pts

ZIP codes in Alamo

1 in or overlapping Alamo. Population shown

·

Cities near Alamo

NameDistanceLand area (sq mi)
Walnut CreekCity2.8 mi19.8
DiabloCensus-designated place2.8 mi1.4
San MiguelCensus-designated place3 mi1.1
Castle HillCensus-designated place3.1 mi0.6
DanvilleTown3.4 mi18.1
North GateCensus-designated place3.5 mi0.7
Shell RidgeCensus-designated place3.7 mi0.4
SaranapCensus-designated place4.5 mi1.1
Acalanes RidgeCensus-designated place5.3 mi0.5
BlackhawkCensus-designated place5.5 mi5.8
Contra Costa CentreCensus-designated place5.6 mi0.6
MoragaTown6.1 mi9.5
LafayetteCity7 mi15
ClaytonCity7.2 mi3.8
Norris CanyonCensus-designated place7.2 mi3.6
Reliez ValleyCensus-designated place7.5 mi2.4

Frequently asked questions

What county is Alamo, CA in?
Alamo is in Contra Costa County, California.
What ZIP codes are in Alamo, CA?
ZIP codes in or overlapping Alamo include 94507.
What is the population of Alamo, CA?
About 14,488 people live in Alamo, based on American Community Survey 5-year estimates.
What cities are near Alamo?
Nearby places include Walnut Creek (2.8 mi), Diablo (2.8 mi), San Miguel (3 mi), Castle Hill (3.1 mi), Danville (3.4 mi).

Source: U.S. Census Bureau (TIGER/Line boundaries, American Community Survey) · Data as of 12/31/2023