Mono County, California
County seat: Bridgeport · Population 12,505 (2025) · 3,049 sq mi
Mono County is the 55th most populous of California's 58 counties, with 12,505 people (2025 estimate). Its county seat is Bridgeport. The map shows its 1 city or town and the 9 neighboring counties.
Mono County facts
- County seat
- Bridgeport
- Population (2025 estimate)
- 12,505 −5.3% since 2020
- Land area
- 3,049 sq mi 19th largest of 58
- Water area
- 83 sq mi
- Population density
- 4 per sq mi
- Established
- 1861
- Named after
- Mono Lake, Mono people
- Largest city
- Mammoth Lakes 6,867
- Median household income
- $99,415
- Cities and towns
- 1 plus 17 CDPs
- ZIP codes
- 9
- Time zone
- Pacific
- FIPS code
- 06051
Cities and towns in Mono County
Mono County has 1 incorporated place. Populations count the people living inside Mono County; cities that cross a county line also list the other counties.
| Name | Type | Population 2025 | Also in |
|---|---|---|---|
| Mammoth Lakes | Town | 6,867 |
Unincorporated communities (CDPs)
Census-designated places are communities without their own city government; the county provides their services.
| Community | Population | Also in |
|---|---|---|
| Crowley Lake | 1,069 | |
| Lee Vining | 628 | |
| Walker | 524 | |
| Chalfant | 483 | |
| Mono City | 342 | |
| Swall Meadows | 335 | |
| Aspen Springs | 325 | |
| Sunny Slopes | 323 | |
| Bridgeport | 303 | |
| Benton | 292 | |
| Coleville | 284 | |
| Paradise | 241 | |
| June Lake | 209 | |
| Topaz | 157 | |
| McGee Creek | 0 | |
| Twin Lakes | 0 | |
| Virginia Lakes | 0 |
ZIP codes in Mono County
9 ZIP codes reach into Mono County. ZIP codes ignore county lines, so some also cover a neighboring county.
- 89010
- 93512
- 93514 also Inyo County
- 93517
- 93529
- 93541
- 93546
- 96107
- 96133
Population of Mono County, 2020–2025
Mono County shrank by 694 people (−5.3%) between April 2020 and July 2025: 263 more births than deaths and a net loss of 991 people from migration.
| Year (July 1) | Population |
|---|---|
| 2020 | 13,222 |
| 2021 | 13,258 |
| 2022 | 12,982 |
| 2023 | 13,082 |
| 2024 | 12,692 |
| 2025 | 12,505 |
Neighboring counties
- Tuolumne County west · 53,160 people
- Mineral County, Nevada northeast · 4,407 people
- Inyo County southeast · 18,158 people
- Esmeralda County, Nevada east · 729 people
- Alpine County northwest · 1,043 people
- Madera County southwest · 167,927 people
- Fresno County southwest · 1,035,456 people
- Douglas County, Nevada northwest · 50,111 people
- Lyon County, Nevada north · 65,088 people
Printable Mono 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) (138 KB)
- PNG (2400 px) (100 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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