Nevada County, California
A county in California, ranked 36 of 58 by population.
CountyFIPS 06057
- Population
- 101,911
- -369 (-0.4%) since 2020
- Land area
- 957.8
- square miles. A further 1.6% of the total area is water
- Population density
- 106
- people per square mile, computed rather than published
- County seat
- Nevada City
- Seat of county government.
- Established
- 1851
- 174 years ago
- Largest city
- Truckee town
- Population 17,278.
Sources: US Census Bureau, Population Estimates Program, Vintage 2025 Population Estimates, released 26 March 2026; US Census Bureau, Gazetteer Files, 2025 Gazetteer Files, released 10 September 2025; Wikidata (CC0), Wikidata. Retrieved 30 August 2026.
Satellite view
Aerial imagery of Nevada County with its boundary drawn on top. A map shows you the shape; this shows you what is inside it, and which side of the line a place falls on.
Where Nevada County ranks
Position among the 58 counties of California, and among all 3,144 US counties and county-equivalents. Computed from the figures on this page.
| Measure | Value | In California | Nationally |
|---|---|---|---|
| Population | 101,911 | 36th of 58 | 614th of 3,144 |
| Land area | 957.8 sq mi | 44th of 58 | 733rd of 3,144 |
| Population density | 106 per sq mi | 32nd of 58 | 864th of 3,144 |
| Median household income | $89,882 | 27th of 58 | 300th of 3,143 |
Full data for Nevada County
| Measure | Value | Source and vintage |
|---|---|---|
| Population | 101,911 | Vintage 2025 Population Estimates |
| Population in 2020 | 102,280 | Vintage 2025 Population Estimates |
| 2020 estimates base? | 102,234 | Vintage 2025 Population Estimates |
| Land area | 957.8 sq mi | 2025 Gazetteer Files |
| Water area | 16.0 sq mi | 2025 Gazetteer Files |
| Total area | 973.8 sq mi | 2025 Gazetteer Files |
| Population density? | 106 per sq mi | Computed: Vintage 2025 estimates divided by 2025 Gazetteer land area |
| Median household income | $89,882 | American Community Survey 2020-2024 5-Year Estimates |
| Median home value | $621,800 | American Community Survey 2020-2024 5-Year Estimates |
| Median age | 50.1 | American Community Survey 2020-2024 5-Year Estimates |
| Households | 42,865 | American Community Survey 2020-2024 5-Year Estimates |
| Housing units | 54,309 | American Community Survey 2020-2024 5-Year Estimates |
Sources: US Census Bureau, Population Estimates Program, Vintage 2025 Population Estimates, released 26 March 2026; US Census Bureau, Gazetteer Files, 2025 Gazetteer Files, released 10 September 2025; US Census Bureau, American Community Survey, American Community Survey 2020-2024 5-Year Estimates, released 29 January 2026. Population density is computed here, not published: it divides the Vintage 2025 population estimate by the 2025 Gazetteer land area, which are two different Census products. Retrieved 30 August 2026.
How the population changed
The Census Bureau publishes the components behind an estimate, not just the total. For the year to July 2025:
- Births minus deaths
- -387
- 753 births, 1,140 deaths
- Net migration
- +149
- More people moved in than moved out.
Source: US Census Bureau, Population Estimates Program, Vintage 2025 Population Estimates, released 26 March 2026. Retrieved 30 August 2026.
The 4 areas bordering Nevada County
Ordered by the length of the border actually shared, which the Census Bureau publishes in its county adjacency file and which no other county reference presents.
| Bordering area | State | Shared border | Population |
|---|---|---|---|
| Placer County | California | 90 mi | 442,081 |
| Sierra County | California | 71 mi | 3,098 |
| Yuba County | California | 39 mi | 88,691 |
| Washoe County | Nevada | 8.9 mi | 509,386 |
Source: US Census Bureau, County Adjacency File, 2025 County Adjacency File, released 15 September 2025. Retrieved 30 August 2026.
All 58 counties of California
Open the interactive California county map, or jump straight to any of them.
- Alameda County
- Alpine County
- Amador County
- Butte County
- Calaveras County
- Colusa County
- Contra Costa County
- Del Norte County
- El Dorado County
- Fresno County
- Glenn County
- Humboldt County
- Imperial County
- Inyo County
- Kern County
- Kings County
- Lake County
- Lassen County
- Los Angeles County
- Madera County
- Marin County
- Mariposa County
- Mendocino County
- Merced County
- Modoc County
- Mono County
- Monterey County
- Napa County
- Nevada County
- Orange County
- Placer County
- Plumas County
- Riverside County
- Sacramento County
- San Benito County
- San Bernardino County
- San Diego County
- San Francisco County
- San Joaquin County
- San Luis Obispo County
- San Mateo County
- Santa Barbara County
- Santa Clara County
- Santa Cruz County
- Shasta County
- Sierra County
- Siskiyou County
- Solano County
- Sonoma County
- Stanislaus County
- Sutter County
- Tehama County
- Trinity County
- Tulare County
- Tuolumne County
- Ventura County
- Yolo County
- Yuba County
Data on this page last rebuilt 30 August 2026. How these figures are produced.