Walnut city, California Demographics & Population 2026
As of 2026, Walnut city, California has a total population of 27,857, the 281st largest city in California, with a median household income of $133,762, which is 39% higher than the state average. The poverty rate is 8.6%.
Key Takeaways
- Household income is 39% above the state average — one of the wealthiest communities in California.
- Housing affordability is a challenge — homes cost 7.3x the median household income.
Walnut city Quick Facts
How Walnut city Compares
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Employment
Housing Overview
People & Demographics
Age Distribution
Race & Ethnicity
Diversity Index
Moderate diversity with one or two groups making up the majority.
State average: 69 | National average: 60
Education
Educational Attainment (Adults 25+)
Walnut city Rankings in California
Explore California Rankings
Cities Similar to Walnut city
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Eastern Goleta Valley CDP | 29,411 | $136,839 | $1,192,000 | 51.9% | 7.2% |
| Benicia city | 26,861 | $125,040 | $778,600 | 45.5% | 6.9% |
| Hercules city | 26,245 | $130,583 | $741,200 | 46.3% | 5.4% |
| South Pasadena city | 26,297 | $128,105 | $1,545,100 | 72.7% | 5.1% |
| Windsor town | 26,179 | $129,004 | $763,200 | 34.3% | 4.7% |
Population Overview
Walnut city is a mid-sized community located in California. The total population is 27,857. It ranks as the 281st most populous out of 1,577 cities and towns in California.
Age Demographics
The median age in Walnut city is 46.4 years. This is 23% higher than the state median of 37.6 years.
Economy, Income & Housing
The median household income in Walnut city is $133,762. This is 39% higher than the state median of $96,334. Compared to the national median of $78,538, household income here is 70% higher. The poverty rate stands at 8.6%. This is 28% lower than the state poverty rate of 12.0%. The unemployment rate is 3.6%. This is 44% lower than the state rate of 6.4%. The median home value is $972,500. Housing costs are 40% higher than the state median of $695,400. The home-value-to-income ratio of 7.3x suggests that housing affordability is a significant concern for many residents. 82.7% of occupied housing units are owner-occupied. This homeownership rate is 48% higher than the state average of 55.8%.
Race & Ethnicity
The largest racial or ethnic group in Walnut city is Asian, making up 67.0% of the population. Hispanic or Latino residents account for 18.3%. The White (non-Hispanic) population (8.9%) is well below the state average of 34.6%. The Black or African American population (2.5%) is well below the state average of 5.3%. The Hispanic or Latino population (18.3%) is well below the state average of 39.8%. The Asian population is significantly higher than the state average (67.0% vs 15.0%).
Education
55.3% of residents aged 25 and older hold a bachelor's degree or higher. This is 52% higher than the state rate of 36.5%. Nationally, 35.0% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 93.9%. Notably, 18.1% of adults hold a graduate or professional degree, indicating a highly educated workforce.
Data Sources & Methodology
All demographic data for Walnut city, California is sourced from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates (2019-2023). The ACS collects data from approximately 3.5 million households annually, providing reliable estimates for communities of all sizes. Comparisons are made against California state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 1,577 Census-designated places in California. For official data, visit data.census.gov.
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Frequently Asked Questions
What is the population of Walnut city, California?
Walnut city, California has a population of 27,857 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Walnut city, CA?
The median household income in Walnut city is $133,762, which is 70% higher the national median of $78,538.
What is the poverty rate in Walnut city, CA?
The poverty rate in Walnut city is 8.6%. This means approximately 2,381 residents live below the federal poverty line.
What is the racial makeup of Walnut city, California?
Walnut city's population is 8.9% White, 2.5% Black, 18.3% Hispanic/Latino, and 67.0% Asian.
What is the median home value in Walnut city, CA?
The median home value in Walnut city is $972,500. The home-value-to-income ratio is 7.3x.
How educated is Walnut city, California?
55.3% of adults (25+) in Walnut city hold a bachelor's degree or higher, and 18.1% hold a graduate or professional degree.