Alpine County, California
County seat: Markleeville · Population 1,043 (2025) · 738 sq mi
Alpine County is the 58th most populous of California's 58 counties, with 1,043 people (2025 estimate). Its county seat is Markleeville. The map shows its 0 cities and towns and the 6 neighboring counties.
Alpine County facts
- County seat
- Markleeville
- Population (2025 estimate)
- 1,043 −11.5% since 2020
- Land area
- 738 sq mi 49th largest of 58
- Water area
- 5 sq mi
- Population density
- 1 per sq mi
- Established
- 1864
- Named after
- Alps major mountain range system in central Europe
- Largest city
- Mesa Vista 445
- Median household income
- $105,521
- Cities and towns
- 0 plus 5 CDPs
- ZIP codes
- 3
- Time zone
- Pacific
- FIPS code
- 06003
Unincorporated communities (CDPs)
Census-designated places are communities without their own city government; the county provides their services.
| Community | Population | Also in |
|---|---|---|
| Mesa Vista | 445 | |
| Alpine Village | 210 | |
| Kirkwood | 137 | Amador County |
| Bear Valley | 120 | |
| Markleeville | 110 |
ZIP codes in Alpine County
3 ZIP codes reach into Alpine County. ZIP codes ignore county lines, so some also cover a neighboring county.
- 95223 also Calaveras and Tuolumne counties
- 95646 also Amador County
- 96120
Population of Alpine County, 2020–2025
Alpine County shrank by 135 people (−11.5%) between April 2020 and July 2025: 74 more deaths than births and a net loss of 59 people from migration.
| Year (July 1) | Population |
|---|---|
| 2020 | 1,180 |
| 2021 | 1,194 |
| 2022 | 1,149 |
| 2023 | 1,105 |
| 2024 | 1,086 |
| 2025 | 1,043 |
Neighboring counties
- Mono County southeast · 12,505 people
- Tuolumne County south · 53,160 people
- El Dorado County west · 192,323 people
- Douglas County, Nevada northeast · 50,111 people
- Amador County west · 41,876 people
- Calaveras County southwest · 46,605 people
Printable Alpine County map
The PDF is a vector file with real text: it prints sharp on Letter paper and you can search it for a town. The PNG is 2400 pixels wide for slides and documents. Both are free to use with a credit to WhichCounty.
- PDF (Letter) (102 KB)
- PNG (2400 px) (97 KB)
Paste this code to embed the map on your site:
Sources
- Boundaries: U.S. Census Bureau, 2025 Cartographic Boundary Files (1:500,000).
- Population: Census Bureau county and city estimates, Vintage 2025. CDP populations: American Community Survey 2020–2024.
- Places and ZIP codes: Census Bureau 2026 Gazetteer and 2020 ZIP Code Tabulation Area relationship files.
- County seat, founding year and name origin: Wikidata (CC0), checked against state sources.
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