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94598

Zip code 94598: Walnut Creek, California

Residential delivery areaContra Costa CountyPacific Time
Population
27,206
Median household income
$186K
U.S. $81K
Median home value
$1.3M
U.S. $333K
Median rent
$2,940/mo
U.S. $1,413
Median age
45.9
U.S. 38.9
Land area
21 sq mi
1,320 people/sq mi

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

About 94598

94598 is a suburban zip code in Walnut Creek, California (Contra Costa County), covering 21 sq mi of land. About 27,206 people live here, or 1,320 per square mile. The median resident is 45.9 years old, compared with 38.9 nationally.

The median household earns $186,225 a year, about 2.3× the national median of $80,734. 5.4% of residents live below the poverty line (U.S.: 12.5%). A typical home is valued at $1,339,900, or 7.2 years of median household income (U.S.: 4.1 years), which makes homes relatively expensive for local earners. 76% of occupied homes are lived in by their owners, and renters pay a median of $2,940 a month.

74% of adults hold a bachelor's degree or higher (U.S.: 36%). Commuters average 29.2 minutes each way, and 37% of workers work from home. The most common jobs among working residents are in management; business and finance; and sales. 37% of households speak a language other than English at home, most often another Indo-European language such as French, German, Russian or Hindi.

How 94598 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
45.9
Under 18
20.1%
65 and over
25.2%

Race and ethnicity

  • White64%
  • Black1%
  • Hispanic10%
  • Asian17%
  • Native American0.2%
  • Pacific Islander0.1%
  • Other1%
  • Multiracial7%
Diversity index
55.2
U.S. 61.4
Foreign-born
25.4%
U.S. 14.1%
Born in state
48.6%

Language spoken at home (households)

English only
63%
Spanish
8%
Other Indo-European
17%
Asian / Pacific
12%
Other
1%

Households

Households
10,828
Average household size
2.5
Family households
71.7%
Married couples
62.9%
Living alone
22.3%
Veterans (of adults)
4.4%
Male / female
49% / 51%

Income and poverty

Household income distribution

<$25k
9%
$25–50k
4%
$50–75k
5%
$75–100k
8%
$100–150k
13%
$150–200k
13%
$200k+
48%

Median household income

94598
$186,225
Contra Costa Co.
$127,229
California
$99,122
United States
$80,734
Per capita income
$95,937
U.S. $44,673
Poverty rate
5.4%
U.S. 12.5%
Households earning $150K+
61.6%
U.S. 23%
Income inequality (Gini)
0.448
U.S. 0.483

Housing

Median home value

94598
$1,339,900
Contra Costa Co.
$866,800
California
$734,700
United States
$332,700

Median gross rent

94598
$2,940
Contra Costa Co.
$2,375
California
$2,036
United States
$1,413

Types of housing

Single-family
84%
2–4 units
4%
5–19 units
5%
20+ units
7%
Mobile home
0.6%
Boat, RV, van
0%
Housing units
10,928
Owner-occupied
76.3%
Vacant
0.9%
Median year built
1972
Median rooms
6.5
Renters paying 30%+ of income
41.6%
Renters paying 50%+ of income
12%
Home value to income
7.2× (U.S. 4.1×)

Work and commute

How people get to work

Drove alone
46%
Carpooled
6%
Transit
5%
Walked
4%
Bicycle
0.3%
Worked from home
37%
Other
2%

Commute time (one way)

<10 min
8%
10–19
35%
20–29
16%
30–44
21%
45–59
7%
60+
14%
Average commute
29.2 min
U.S. 26.4 min
Unemployment
4.7%
U.S. 5.2%
In labor force
60%
U.S. 63.5%

Jobs and careers

What employed residents do, wherever they work

Occupations

Management
21%
Business and finance
12%
Sales
10%
Computer and math
9%
Healthcare
7%
Education
7%
Engineering and science
6%
Legal and social services
5%
Office and admin
5%
Arts, media and sports
4%
Police and fire
3%
Cleaning and personal care
3%
Food service
3%
Transportation and moving
3%
Construction and repair
2%
Production
2%
Farming, fishing and forestry
0%

Industries

Professional and technical services
21%
Finance, insurance and real estate
12%
Health care and social assistance
12%
Education
9%
Retail
9%
Manufacturing
6%
Public administration
6%
Transportation, warehousing and utilities
6%
Construction
4%
Arts and recreation
4%
Restaurants and hotels
3%
Other services
3%
Information
2%
Admin, support and management
2%
Wholesale
2%
Agriculture and mining
0.5%
Median earnings per worker
$107,188
U.S. $49,666
Self-employed
14.3%
U.S. 10%
Government workers
14%
U.S. 14.5%
Nonprofit workers
8.8%
U.S. 8.8%

Median earnings by type of work

Type of work94598U.S.
Management, business, science and arts$138,288$74,888
Service$35,088$26,804
Sales and office$62,426$40,476
Construction and maintenance$66,071$49,199
Production and transportation$51,574$39,989

Education, internet and health coverage

Highest education (adults 25+)

No diploma
3%
High school
8%
Some college
10%
Associate's
6%
Bachelor's
43%
Graduate
31%
High school graduate or higher
97.3%
Bachelor's degree or higher
73.7%
Graduate or professional degree
30.9%
Households with broadband
96.7%
Cable, fiber or DSL
89.9%
No internet access
2.9%
Without health insurance
1.3%
Limited-English households
5.3%

Geography

City (USPS)
Walnut Creek
Center point
37.9169° N, 122.0149° W
Land area
21 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

  • Walnut Creek38% of zip
  • North Gate (unincorporated)4% of zip
  • Shell Ridge (unincorporated)2% of zip

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

Zip codes near 94598

ZipCityDistanceIncome
94596Walnut Creek2.3 mi$135,635
94518Concord2.4 mi$112,094
94597Walnut Creek3.1 mi$132,063
94521Concord3.5 mi$125,899
94527Concord · PO box4 mi—
94523Pleasant Hill4.2 mi$142,586
94522Concord · PO box4.3 mi—
94524Concord · PO box4.3 mi—
94529Concord · PO box4.3 mi—
94595Walnut Creek4.3 mi$100,552
94507Alamo4.4 mi$250,000+
94519Concord5 mi$122,418

Zip codes like 94598 elsewhere

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

Questions about 94598

What city is zip code 94598?

94598 is assigned to Walnut Creek, California. The city name is the one the Postal Service prefers for mail addressed to this zip code.

What county is 94598 in?

94598 is in Contra Costa County, California.

What is the population of 94598?

About 27,206 people live in 94598, according to the Census Bureau's American Community Survey.

What time zone is 94598 in?

94598 is in Pacific Time.

What is the median household income in 94598?

The median household income in 94598 is $186,225.

What zip codes are near 94598?

The closest zip codes to 94598 are 94596, 94518, 94597, 94521, 94527.

Demographic figures are 2020–2024 American Community Survey 5-year estimates for ZIP Code Tabulation Area 94598, from the U.S. Census Bureau. Small areas have wide margins of error. How we build these numbers.