California Contra Costa County
Walnut Creek
A city in Contra Costa County, California — population 69,936 as of 2020.
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Walnut Creek by the numbers
Population
69,936Population figure, 2020
Households & income
- Area
- 19.76 sq mi (51.18 km²), 0.01 sq mi water
- Median age
- 46.8
- Households
- 33,072
- Persons per household
- 2.1
- Median household income
- $130,432
- Median house value
- $1,057,300
Municipal office
- Office
- DEPUTY CITY CLERK
- Address
- 1666 N MAIN ST, WALNUT CREEK, CA 94596