Population
88,122
2025
−3.5% since 2020
Source: U.S. Census Bureau, Population Estimates Program (Vintage 2025), 2025. Resident population, July 1 estimate.
Mendocino County had an estimated 88,122 residents in 2025, down 3.5% (3,226 fewer people) since 2020. That is slower than California as a whole (−0.4%), and the 47th fastest growth of 58 counties in California.
Data as of 2025 · updated
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88,122
2025
−3.5% since 2020
Source: U.S. Census Bureau, Population Estimates Program (Vintage 2025), 2025. Resident population, July 1 estimate.
−741
2025
−8.4 per 1,000 residents
−3,354 in total, 2021–2025
Source: U.S. Census Bureau, Population Estimates Program (Vintage 2025), 2025. People moving in from other U.S. counties minus people moving out.
5.9%
2025
+1.6 pts since 2019
Source: U.S. Bureau of Labor Statistics, Local Area Unemployment Statistics, 2025. Annual average unemployment rate.
3
2025
0.0 per 1,000 residents
Small base: the change swings on a few homes or people, so we don't show it.
Source: U.S. Census Bureau, Building Permits Survey, 2025. Housing units authorized by building permits in the year.
$68,092
2020–24
+28.7% since 2016–20
Source: U.S. Census Bureau, American Community Survey 5-year estimates, 2020–24. American Community Survey 5-year estimate.
23,356
2023
−1.4% since 2018
Source: U.S. Census Bureau, County Business Patterns, 2023. Paid employees of private employers in mid-March (County Business Patterns).
Net domestic migration was negative in 2025: 741 more people moved out to other U.S. counties than moved in.
Private employers had 23,356 paid employees in mid-March 2023, −1.4% since 2018 (County Business Patterns).
Unemployment averaged 5.9% in 2025, 1.6 points higher than in 2019 (before the pandemic).
Builders were authorized to start 3 new homes in 2025, or 0.0 per 1,000 residents.
Median household income was $68,092 in the 2020–24 American Community Survey, +28.7% since 2016–20.
Across the 3,107 U.S. counties with a comparable estimate, its population growth ranks 2,756th.
Part of the Ukiah, CA micro area.
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| Year | Population | Change |
|---|---|---|
| 2025 | 88,122 | −817 |
| 2024 | 88,939 | −402 |
| 2023 | 89,341 | −692 |
| 2022 | 90,033 | −1,233 |
| 2021 | 91,266 | −82 |
| 2020 | 91,348 | – |
Census Bureau population estimates, July 1 of each year.
Mendocino County lost 3,226 people since 2020; the biggest drag was domestic migration (−3,354).
| Component | 2025 | 2020–25 | Share |
|---|---|---|---|
| Natural changebirths minus deaths | −152 | −892 | |
| International migrationfrom and to other countries | +80 | +958 | |
| Domestic migrationfrom and to other U.S. counties | −741 | −3,354 | |
| Census adjustmentbalancing residual | −4 | +62 | |
| Total change | −817 | −3,226 |
Census Bureau population estimates, components of change, each year July 1 to June 30. The components add up to the change in the estimate; the Census adjustment is the small balancing figure the Bureau publishes.
| Measure | In California | Among U.S. counties |
|---|---|---|
| Population growth | 47th of 58 | 2,756th of 3,107 |
| Net domestic migration per 1,000 residents | 45th of 58 | 2,802nd of 3,108 |
| Private-sector job growth | 52nd of 58 | 2,064th of 3,092 |
| Median household income | 44th of 58 | 1,319th of 3,107 |
| Lowest unemployment rate | 30th of 58 | 2,852nd of 3,108 |
| New homes permitted per 1,000 residents | 58th of 58 | 2,759th of 3,005 |
1st = highest (lowest for unemployment). Counties are ranked only against others with a figure for the same period.
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Mendocino County lost population faster than all 6 of its neighbouring counties (−3.5%, 2020–25).
Only Sonoma County had a higher median household income (2020–24) among its 6 neighbouring counties; Mendocino County's was $68,092.
| County | Population2025 | Population change2020–25 | Net domestic migration per 1,000 residents2025 | Homes permitted per 1,000 residents2025 | Median household income2020–24 |
|---|---|---|---|---|---|
| Mendocino County, CA This county | 88,122 | −3.5% | −8.4 | 0.0 | $68,092 |
| Lake County, CA | 67,772 | −0.6% | 3.0 | 1.3 | $60,621 |
| Glenn County, CA | 28,141 | −2.6% | −7.5 | 4.1 | $67,139 |
| Sonoma County, CA | 486,444 | −0.4% | 1.1 | 3.5 | $104,674 |
| Trinity County, CA | 15,720 | −2.4% | 6.2 | 2.1 | $53,002 |
| Humboldt County, CA | 131,647 | −3.4% | −2.2 | 2.5 | $61,160 |
| Tehama County, CA | 64,665 | −1.7% | −0.8 | 0.6 | $63,784 |
Census Bureau population estimates and building permits, American Community Survey 5-year income. Rates per 1,000 residents. – means no figure, or a base too small for a change or rate (it would swing on a few people). A figure from another period shows its year and is left out of the comparison.
No. Its population fell 3.5% between 2020 and 2025, about 3,226 fewer people (Census Bureau population estimates). California as a whole changed −0.4% over the same years. That ranks 47th of 58 counties in California for population growth.
On net, none in 2025: about 741 more people moved out to other U.S. counties than moved in (Census Bureau net domestic migration estimate).
It averaged 5.9% in 2025 (BLS Local Area Unemployment Statistics, annual average).
About 88,122 people, according to the U.S. Census Bureau's population estimate for July 1, 2025.
Private employers there had 23,356 paid employees in mid-March 2023, −1.4% since 2018 (Census Bureau County Business Patterns; government jobs and the self-employed are not counted).
Map, parcel and listing layers cover North and South Carolina only for now. This page and the other California county pages carry the public federal growth figures.
Email me when Mendocino County gets new Census numbers: population, building permits, jobs and income. About 4 emails a year, one click to stop.
Each number shows its own period. Changes compare the latest period with five years earlier (or the earliest period available). Beacon CRE last refreshed these figures on 2026-11-05. Figures come from public federal statistics and are informational only, not investment advice. Check the source before relying on a number. Methodology: how we compute every number. More on every layer: data sources and licences.
Jobs outside North and South Carolina use County Business Patterns (paid private-sector employees in mid-March); wages and government jobs are not included.