Walnut Creek, CA 94598 ZIP Code Profile

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Walnut Creek, CA

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ZIP Code 94598: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Walnut Creek, CA 94598

  • ZIP Code Type: STANDARD
  • Businesses Addresses: 1,061
  • Single Family Addresses: 9,290
  • Multi-Family Addresses: 1,461
  • County: Contra Costa County
  • Centroid: Latitude 37.916, Longitude -122.024
  • Time Zone: Pacific Time Zone (UTC -8 hours)
  • Observes DST: Yes

Neighborhood Data

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Walnut Creek, CA 94598 Data & Demographics (As of July 1, 2016)


Total Population 26,723
Population in Households 26,462
Population in Familes 22,210
Population in Group Qrtrs 261
Population Density1 905
Diversity Index2 51


Total Households 10,616
Average Household Size 2.49
Family Households 7,443
Average Family Size 3


Total Housing Units 10,880 (100%)
Owner Occupied HU 8,162 (75.0%)
Renter Occupied HU 2,454 (22.6%)
Vacant Housing Units 264 ( 2.4%)
Median Home Value $788,300
Average Home Value $794,833


Median Household Income $120,488
Average Household Income $167,054
Per Capita Income $66,785
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population 0.58% 0.85%
Households 0.38% 0.72%
Families 0.38% 0.72%
Median Household Income   1.83%
Per Capita Income   1.51%
1) Population Density = Total Population per square mile.
2) The Diversity Index is a scale of 0 to 100 that represents the likelyhood that two persons, chosen at random from the same area, belong to different race or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.
Based on Census 2010 counts, the Diversity Index for the United States was 60.6 and it is expected to increase to 64.8 by July 1, 2018.

Walnut Creek, CA 94598 - Peer Comparisons by Rank and Percentile

The table below compares 94598 to the other 1,756 ZIP Codes in California by rank and percentile using July 1, 2016 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 673 62nd
Population Density1 # 843 52nd
Diversity Index2 # 1268 28th
Median Household Income # 75 96th
Per Capita Income # 95 95th

Additional comparisons and rankings can be made with a VERY EASY TO USE California Census Data Comparison Tool.

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