ZipCodeLook
94521

Zip code 94521: Concord, California

Residential delivery areaContra Costa CountyPacific Time
Population
41,909
Median household income
$126K
U.S. $81K
Median home value
$853K
U.S. $333K
Median rent
$2,404/mo
U.S. $1,413
Median age
42.9
U.S. 38.9
Land area
9.7 sq mi
4,328 people/sq mi

Boundary is the Census Bureau's ZIP Code Tabulation Area, which closely tracks the postal delivery area.

About 94521

94521 is an urban zip code in Concord, California (Contra Costa County), covering 9.7 sq mi of land. About 41,909 people live here, or 4,328 per square mile. The median resident is 42.9 years old, compared with 38.9 nationally.

The median household earns $125,899 a year, 56% above the national median of $80,734. 5.2% of residents live below the poverty line (U.S.: 12.5%). A typical home is valued at $853,200, or 6.8 years of median household income (U.S.: 4.1 years), which makes homes relatively expensive for local earners. 74% of occupied homes are lived in by their owners, and renters pay a median of $2,404 a month.

45% of adults hold a bachelor's degree or higher (U.S.: 36%). Commuters average 34 minutes each way, and 21% of workers work from home. The most common jobs among working residents are in management; sales; and office and administrative support. 30% of households speak a language other than English at home, most often Spanish.

How 94521 compares

Sorted from highest to lowest national percentile

The percentile is the share of Americans who live in a zip code with a lower value, so the 50th percentile is typical. Rank 1 is the highest value in the state. Both include zip codes with at least 100 residents. Strengths and weaknesses mark measures in the best or worst fifth nationally, where higher or lower is clearly better (income, poverty, education, commute, broadband, insurance and similar). Measures like age or density are left unmarked.

People

Age

Median age
42.9
Under 18
19.3%
65 and over
19.2%

Race and ethnicity

  • White51%
  • Black5%
  • Hispanic18%
  • Asian15%
  • Native American0.1%
  • Pacific Islander0.3%
  • Other0.8%
  • Multiracial9%
Diversity index
67
U.S. 61.4
Foreign-born
17.9%
U.S. 14.1%
Born in state
64.3%

Language spoken at home (households)

English only
70%
Spanish
10%
Other Indo-European
7%
Asian / Pacific
10%
Other
2%

Households

Households
15,938
Average household size
2.6
Family households
69.2%
Married couples
52.5%
Living alone
25%
Veterans (of adults)
5%
Male / female
50% / 50%

Income and poverty

Household income distribution

<$25k
7%
$25–50k
9%
$50–75k
13%
$75–100k
9%
$100–150k
21%
$150–200k
15%
$200k+
26%

Median household income

94521
$125,899
Contra Costa Co.
$127,229
California
$99,122
United States
$80,734
Per capita income
$59,781
U.S. $44,673
Poverty rate
5.2%
U.S. 12.5%
Households earning $150K+
41.1%
U.S. 23%
Income inequality (Gini)
0.406
U.S. 0.483

Housing

Median home value

94521
$853,200
Contra Costa Co.
$866,800
California
$734,700
United States
$332,700

Median gross rent

94521
$2,404
Contra Costa Co.
$2,375
California
$2,036
United States
$1,413

Types of housing

Single-family
76%
2–4 units
6%
5–19 units
9%
20+ units
8%
Mobile home
0.3%
Boat, RV, van
0.1%
Housing units
16,451
Owner-occupied
74.3%
Vacant
3.1%
Median year built
1974
Median rooms
5.9
Renters paying 30%+ of income
58.1%
Renters paying 50%+ of income
22.9%
Home value to income
6.8× (U.S. 4.1×)

Work and commute

How people get to work

Drove alone
62%
Carpooled
8%
Transit
5%
Walked
1%
Bicycle
1%
Worked from home
21%
Other
2%

Commute time (one way)

<10 min
8%
10–19
19%
20–29
22%
30–44
21%
45–59
11%
60+
17%
Average commute
34 min
U.S. 26.4 min
Unemployment
6.1%
U.S. 5.2%
In labor force
66.5%
U.S. 63.5%

Jobs and careers

What employed residents do, wherever they work

Occupations

Management
16%
Sales
11%
Office and admin
10%
Healthcare
9%
Education
8%
Business and finance
8%
Construction and repair
6%
Computer and math
5%
Transportation and moving
5%
Engineering and science
4%
Cleaning and personal care
4%
Production
3%
Food service
3%
Legal and social services
3%
Arts, media and sports
2%
Police and fire
2%
Farming, fishing and forestry
0.2%

Industries

Health care and social assistance
16%
Professional and technical services
12%
Education
11%
Retail
10%
Finance, insurance and real estate
9%
Construction
8%
Transportation, warehousing and utilities
6%
Manufacturing
5%
Restaurants and hotels
5%
Admin, support and management
5%
Public administration
5%
Other services
3%
Arts and recreation
3%
Information
2%
Wholesale
2%
Agriculture and mining
0.1%
Median earnings per worker
$70,285
U.S. $49,666
Self-employed
10.3%
U.S. 10%
Government workers
16.7%
U.S. 14.5%
Nonprofit workers
10.2%
U.S. 8.8%

Median earnings by type of work

Type of work94521U.S.
Management, business, science and arts$95,686$74,888
Service$39,720$26,804
Sales and office$45,731$40,476
Construction and maintenance$58,000$49,199
Production and transportation$39,365$39,989

Education, internet and health coverage

Highest education (adults 25+)

No diploma
5%
High school
19%
Some college
21%
Associate's
10%
Bachelor's
31%
Graduate
13%
High school graduate or higher
94.7%
Bachelor's degree or higher
44.6%
Graduate or professional degree
13.2%
Households with broadband
96.9%
Cable, fiber or DSL
87.5%
No internet access
1.8%
Without health insurance
2.7%
Limited-English households
4.2%

Geography

City (USPS)
Concord
Center point
37.9529° N, 121.9697° W
Land area
9.7 sq mi
Water area
under 0.1 sq mi
Time zone
Pacific Time (UTC-8, UTC-7 in summer)
Zip type
Residential delivery area

Cities and towns within this zip

  • Concord86% of zip

Census places overlapping the zip's area. Mail may use a different city name than the municipality.

Zip codes near 94521

ZipCityDistanceIncome
94527Concord · PO box0.6 mi—
94518Concord2.9 mi$112,094
94519Concord3.4 mi$122,418
94598Walnut Creek3.5 mi$186,225
94522Concord · PO box3.8 mi—
94524Concord · PO box3.8 mi—
94529Concord · PO box3.8 mi—
94520Concord4.5 mi$82,479
94565Pittsburg4.5 mi$95,556
94596Walnut Creek5.7 mi$135,635
94523Pleasant Hill5.8 mi$142,586
94517Clayton6 mi$168,921

Zip codes like 94521 elsewhere

Matched on income, home values, age, density, education, housing and commuting

Questions about 94521

What city is zip code 94521?

94521 is assigned to Concord, California. The city name is the one the Postal Service prefers for mail addressed to this zip code.

What county is 94521 in?

94521 is in Contra Costa County, California.

What is the population of 94521?

About 41,909 people live in 94521, according to the Census Bureau's American Community Survey.

What time zone is 94521 in?

94521 is in Pacific Time.

What is the median household income in 94521?

The median household income in 94521 is $125,899.

What zip codes are near 94521?

The closest zip codes to 94521 are 94527, 94518, 94519, 94598, 94522.

Demographic figures are 2020–2024 American Community Survey 5-year estimates for ZIP Code Tabulation Area 94521, from the U.S. Census Bureau. Small areas have wide margins of error. How we build these numbers.