Grimes, California Demographics & Population 2026
During the 2020–2024 ACS period, Grimes, California had a total population of 280, the 1325th largest community in California. The poverty rate is 42.1%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Takeaways
- More than 1 in 4 residents live below the poverty line (42.1%), well above the national average of 12.4%.
- Only 5.7% of adults have a bachelor's degree, well below the national average of 35.7%.
Grimes Quick Facts
How Grimes 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 | 371 | 280 | -24.5% |
How Grimes 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 diverse community with significant representation from multiple racial and ethnic groups.
State average: 70 | National average: 61
Education
Educational Attainment (Adults 25+)
Grimes 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 |
| Williams | 5,585 | $90,761 | 9.3% | $370,000 |
| 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 |
| Lodoga | 259 | $63,333 | 11.6% | $193,800 |
| Stonyford | 111 | N/A | 48.6% | $68,200 |
Cities Similar to Grimes
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Coffee Creek | 280 | $76,250 | $372,600 | 17.4% | 6.1% |
| Caspar | 279 | N/A | $1,009,100 | 65.7% | 6.5% |
| Coleville | 284 | $46,860 | N/A | 36.7% | 0.0% |
| Dos Palos Y | 273 | $35,368 | N/A | 34.6% | 11.7% |
| Clarksburg | 288 | N/A | N/A | 53.4% | 0.0% |
A note before these figures: with a population of 280, Grimes's ACS estimates come from a small number of survey responses and carry wide margins of error. Individual percentages below — particularly rates that round to 0% or 100% — are approximations, not precise measurements. See data.census.gov for the published margins of error.
Population Overview
Grimes is a small community located in California, within Colusa County. The total population is 280. It ranks as the 1325th most populous out of 1,570 Census-designated places in California.
Age Demographics
The median age in Grimes is 57.9 years. This is 53% higher than the state median of 37.9 years.
Economy, Income & Housing
The poverty rate stands at 42.1%. This is 251% higher than the state poverty rate of 12.0%. With more than one in five residents living below the poverty line, economic hardship is a significant challenge for the community. The unemployment rate is 6.8%. This is 3% higher than the state rate of 6.6%. 59.1% of occupied housing units are owner-occupied. This homeownership rate is 6% higher than the state average of 55.9%.
Race & Ethnicity
Grimes is a highly diverse community where no single racial or ethnic group constitutes a majority of the population. White (non-Hispanic) residents account for 30.0%.
Education
5.7% of residents aged 25 and older hold a bachelor's degree or higher. This is 85% 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 34.4%.
Data Sources & Methodology
All demographic data for Grimes, 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 Grimes, California?
Grimes, California has a population of 280 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Grimes, CA?
The Census Bureau does not publish a reliable median household income estimate for Grimes — the community is too small for the ACS sample. The national median is $80,734.
What is the poverty rate in Grimes, CA?
The poverty rate in Grimes is 42.1%. This means approximately 118 residents live below the federal poverty line.
What is the racial makeup of Grimes, California?
Grimes's population is 30.0% White, 0.0% Black, 42.1% Hispanic/Latino, and 0.0% Asian.
What is the median home value in Grimes, CA?
The Census Bureau does not publish a reliable median home value estimate for Grimes — there are too few owner-occupied homes in the ACS sample. The national median is $332,700.
How educated is Grimes, California?
5.7% of adults (25+) in Grimes hold a bachelor's degree or higher, and 0.0% hold a graduate or professional degree.