Sierra County, California ZIP codes
8 ZIP codes are in Sierra County, plus 3 that cross in from neighboring counties.
- ZIP codes
- 8
- Population in these ZIPs
- 3,154
- Avg. median income
- $81,500population-weighted
- Cities & towns
- 8
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ZIP codes in Sierra County
| ZIP code | City | Population | Median income | Typical home value |
|---|---|---|---|---|
| 95910 | Alleghany | 19 | — | — |
| 95936 | Downieville | 144 | — | $305,400 |
| 95944 | Goodyears Bar | 122 | — | — |
| 95960 | North San Juan | 540 | $52,917 | $341,800 |
| 96118 | Loyalton | 1,328 | $54,167 | $296,400 |
| 96124 | Calpine | 387 | $205,893 | $372,500 |
| 96125 | Sierra City | 263 | $95,554 | $331,100 |
| 96126 | Sierraville | 351 | — | $489,200 |
ZIP codes partly in Sierra County
These ZIP codes are mostly in a neighboring county but cover part of Sierra County.
| ZIP code | City | State | County | Population | Median income | Typical home value |
|---|---|---|---|---|---|---|
| 89439 | Verdi | NV | Washoe County | 2,532 | $101,250 | $828,700 |
| 95922 | Camptonville | CA | Yuba County | 425 | $36,528 | $324,200 |
| 96105 | Chilcoot | CA | Plumas County | 799 | $122,750 | $337,200 |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Cities and towns in Sierra County
Nearby counties
Frequently asked questions
How many ZIP codes are in Sierra County, California?
8 ZIP codes are mainly in Sierra County, and 3 more ZIP codes from neighboring areas reach partly into it.
What cities are in Sierra County?
ZIP codes in Sierra County use the city names Alleghany, Calpine, Downieville, Goodyears Bar, Loyalton, North San Juan, Sierra City and Sierraville.