Williams, California Demographics & Population 2026
During the 2020–2024 ACS period, Williams, California had a total population of 5,585, the 633rd largest city in California, with a median household income of $90,761, which is 8% lower than the state average. The poverty rate is 9.3%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Takeaways
- Unemployment rate of 17.2% is notably above the national average.
Williams Quick Facts
How Williams Changed
Change from the 2019–2023 ACS period to 2020–2024. These are rolling five-year estimates, not year-over-year measurements.
| Metric | 2019–2023 | 2020–2024 | Change |
|---|---|---|---|
| Population | 5,569 | 5,585 | +0.3% |
| Median household income | $93,138 | $90,761 | -2.6% |
| Median home value | $339,900 | $370,000 | +8.9% |
How Williams Compares
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Detailed income brackets
Employment
Housing Overview
People & Demographics
Age Distribution
Race & Ethnicity
Diversity Index
A less diverse community where one racial or ethnic group represents a large majority.
State average: 70 | National average: 61
Education
Educational Attainment (Adults 25+)
Williams Rankings in California
Explore California Rankings
Other Cities in Colusa County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Colusa | 6,505 | $71,250 | 18.1% | $375,000 |
| Arbuckle | 3,093 | $86,942 | 3.4% | $394,100 |
| Maxwell | 1,245 | $67,768 | 20.5% | $281,900 |
| College City | 557 | $67,206 | 0.0% | $453,600 |
| Princeton | 365 | $53,750 | 3.0% | $295,800 |
| Grimes | 280 | N/A | 42.1% | N/A |
| Lodoga | 259 | $63,333 | 11.6% | $193,800 |
| Stonyford | 111 | N/A | 48.6% | $68,200 |
Cities Similar to Williams
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Durham | 5,340 | $95,417 | $700,100 | 40.4% | 10.2% |
| Happy Valley | 5,944 | $92,222 | $334,100 | 14.1% | 8.9% |
| Hidden Valley Lake | 5,872 | $84,152 | $394,800 | 26.5% | 7.8% |
| Old Fig Garden | 5,503 | $105,781 | $512,700 | 41.3% | 7.9% |
| Yosemite Lakes | 5,288 | $97,813 | $374,000 | 35.4% | 7.3% |
Population Overview
Williams is a small city located in California, within Colusa County. The total population is 5,585. It ranks as the 633rd most populous out of 1,570 Census-designated places in California.
Age Demographics
The median age in Williams is 30.4 years. This is 20% lower than the state median of 37.9 years. With 30.6% of the population under 18, Williams has a notably young demographic profile, suggesting a family-oriented community.
Economy, Income & Housing
The median household income in Williams is $90,761. This is 8% lower than the state median of $99,122. It is also 12% higher than the national median of $80,734. The poverty rate stands at 9.3%. This is 22% lower than the state poverty rate of 12.0%. The unemployment rate is 17.2%. This is 161% higher than the state rate of 6.6%. The median home value is $370,000. Housing costs are 50% lower than the state median of $734,700. The home-value-to-income ratio is 4.1x. 53.5% of occupied housing units are owner-occupied. This homeownership rate is 4% lower than the state average of 55.9%.
Race & Ethnicity
Williams has a predominantly Hispanic or Latino population, comprising 85.2% of all residents. White (non-Hispanic) residents account for 14.6%. The White (non-Hispanic) population (14.6%) is well below the state average of 33.8%. The Black or African American population (0.1%) is well below the state average of 5.2%. The Hispanic or Latino population is significantly higher than the state average (85.2% vs 40.2%). The Asian population (0.1%) is well below the state average of 15.3%.
Education
14.5% of residents aged 25 and older hold a bachelor's degree or higher. This is 61% lower than the state rate of 37.1%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 65.1%.
Data Sources & Methodology
All demographic data for Williams, California is sourced from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates. The ACS collects data from approximately 3.5 million households annually and pools five years of responses so that even small communities can be measured, though the margin of error widens as the population falls. Comparisons are made against California state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 1,570 Census-designated places in California. Read more about how these figures are produced on our methodology page, or visit data.census.gov for official data.
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Frequently Asked Questions
What is the population of Williams, California?
Williams, California has a population of 5,585 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Williams, CA?
The median household income in Williams is $90,761, which is 12% higher than the national median of $80,734.
What is the poverty rate in Williams, CA?
The poverty rate in Williams is 9.3%. This means approximately 512 residents live below the federal poverty line.
What is the racial makeup of Williams, California?
Williams's population is 14.6% White, 0.1% Black, 85.2% Hispanic/Latino, and 0.1% Asian.
What is the median home value in Williams, CA?
The median home value in Williams is $370,000. The home-value-to-income ratio is 4.1x.
How educated is Williams, California?
14.5% of adults (25+) in Williams hold a bachelor's degree or higher, and 2.4% hold a graduate or professional degree.