County ZIP codes · California · FIPS 06057
Nevada County, CA ZIP Codes
Nevada County, California has 17 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026): 12 residential and 5 for PO boxes or a single organization. 8 of the residential ones lie mainly in Nevada County and 4 mainly in a neighboring county; 5 cross the county line. Median household income ranges from $65,989 in 95945 (Grass Valley) to $131,702 in 96161 (Truckee) (Census Bureau, ACS 2020-2024).
- ACS2020-24
- Census2020
Where are the ZIP codes of Nevada County?
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).
How different are its ZIP codes?
The middle half of its ranked ZIP codes (1,000+ people living in households) report median household incomes between $84,795 and $97,466.
They carry 11 postal town names.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B19013).
All 12 residential ZIP codes in Nevada County
8 ZIP codes lie mainly in Nevada County; 4 more reach into it from a neighboring county and follow the first table.
| In this county | ||||||
|---|---|---|---|---|---|---|
| 95945 | Grass Valley | 27,470 | 449 | $66k | $540k | 100% |
| 95949 | Grass Valley | 20,552 | 150 | $98k | $551k | 100% |
| 96161 | Truckee | 19,634 | 75 | $132k | $991k | 70% |
| 95959 | Nevada City | 17,683 | 57 | $87k | $627k | 100% |
| 95946 | Penn Valley | 9,958 | 223 | $85k | $566k | 100% |
| 95975 | Rough And Ready | 1,088 | 115 | $103k | $653k | 100% |
| 95986 | Washington | 115 | 11 | – | $324k | 100% |
| 96111 | Floriston | 26 | 5 | – | $766k | 100% |
Partly in Nevada County
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates; county shares by land area (Census 2020 ZCTA-county relationship file).
Which ZIP codes cross the county line?
5 ZIP codes of Nevada County extend into another county. A ZIP code follows mail routes, not county borders.
| ZIP | In Nevada | Elsewhere |
|---|---|---|
| 95602 | 21% | Placer County 79% |
| 96161 | 70% | Placer County 30% |
| 95977 | 39% | Yuba County 61% |
| 95960 | 37% | Sierra County 39%; Yuba County 24% |
| 95728 | 23% | Placer County 77% |
Source: U.S. Census Bureau, 2020 ZCTA-county relationship file (shares of land area).
PO Box and single-organization ZIP codes
Source: GeoNames postal codes (CC BY 4.0).
Which first three digits do Nevada County's ZIP codes use?
The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Nevada County's ZIP codes use 4 prefixes: 956, 957, 959 and 961.
| Prefix | Sectional center | Here | All codes |
|---|---|---|---|
| 956 | Sacramento, CA (SCF 956) | 1 | 94 |
| 957 | Sacramento, CA (SCF 956) | 3 | 29 |
| 959 | Sacramento, CA (SCF 956) | 9 | 77 |
| 961 | Reno, NV (SCF 894) | 4 | 53 |
Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.