| ZIP Codes: | 7 ZIP Codes (5 Standard, 2 PO Box, 0 Unique) [See All] |
| Area Codes: | 442 / 530 / 760 |
| Timezone: | Pacific (GMT -08:00) |
| Local Time: | 2:11:29 PM |
| Population: | 11,817 [See All] |
| FIPS: | 06051 |
| Land Area: | 2,042 sq mi |
| Water Area: | 81 sq mi |
| Coordinates: | 38.1005, -119.1229 |
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11,817 residents live across 7 ZIPs covering 2,042 sq mi, served by 7 distinct USPS-recognized cities.
Population moved from 12,859 to 11,817 from 2014 to 2024 — a -8.1% change. 3 ZIPs gained residents, 4 lost.
The county's wealthiest ZIP 93541 (Lee Vining, $121,330 median) and poorest ZIP 96107 (Coleville, $61,563) are 40.3 miles apart — a 2.0× income gap across local geography.
Median home values vary 2.7× across this county — from $268,800 in 93512 (Benton) to $737,600 in 93546 (Mammoth Lakes).
Density varies 35× across the county — from 0 people/sq mi in 93517 (Bridgeport) to 18 in 93546 (Mammoth Lakes).
Educational attainment ranges from 4.1% bachelor's+ in 93512 (Benton) to 76.7% in 93541 (Lee Vining) — the breadth of educational profiles across the area.
Within California, this is the #55 most populous of 58 counties and ranks #28 for median household income .
Weighted by population, the typical household earns about $103,801 across the county — reflecting what a typical resident sees, not a simple ZIP average.
30.8% of adults age 25+ hold a bachelor's degree or higher (2,823 of 9,163 reporting).
5 Standard delivery, 2 PO Box only, 0 single-entity Unique ZIPs serve this county.
A frontier county — vast land area with only a few residents per square mile. Daily life looks very different here than in the country's denser counties.
One ZIP holds the majority of this county's population — a sign of a county built around a single city or town.
Mono County lost 8.1% of residents between 2014 and 2024. ZIPs that shed the largest share:
| ZIP | City | Type | Population | Median Income | Area (sq mi) | 10-yr Growth |
|---|---|---|---|---|---|---|
| 93546 | Mammoth Lakes | Standard | 9,000 | $105,577 | 513.0 | -4.3% |
| 93541 | Lee Vining | PO Box | 970 | $121,330 | 225.6 | 49.0% |
| 96107 | Coleville | Standard | 793 | $61,563 | 109.4 | -26.4% |
| 93517 | Bridgeport | Standard | 459 | $120,850 | 919.9 | -42.3% |
| 93529 | June Lake | PO Box | 209 | — | 222.0 | -64.5% |
| 93512 | Benton | Standard | 206 | $68,283 | 26.2 | 15.7% |
| 96133 | Topaz | Standard | 180 | — | 26.1 | 12.5% |