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Sierra County ZIP Codes

List of ZIP Codes in Sierra County

The following table lists ZIP Codes associated with Sierra County, California, based on ZIP Code Tabulation Area (ZCTA) data from the U.S. Census Bureau.


S.N. Zip Code Latitude Longitude City Population Density
1 95910 39.46742 -120.83158 Alleghany 35 0.4
2 95936 39.56336 -120.79279 Downieville 191 1.7
3 95944 39.53482 -120.86159 Goodyears Bar 91 3.7
4 95960 39.39121 -121.0583 North San Juan 568 5.3
5 96118 39.64823 -120.25392 Loyalton 1,492 3.4
6 96124 39.63918 -120.46194 Calpine 253 1.8
7 96125 39.61526 -120.60493 Sierra City 226 0.9
8 96126 39.54764 -120.38999 Sierraville 233 3.1


About Sierra County ZIP Codes

Sierra County in California (CA) is served by approximately 8 ZIP Codes. These codes cover residential neighborhoods, business districts, and rural areas that fall under the county's jurisdiction.

Based on ZIP-level population estimates, the total population covered by these ZIP Codes is around 3,089 people. Population and density values vary from one ZIP Code to another, reflecting the mix of dense urban communities and lower-density suburban or rural zones.

Many of the most significant population centers in Sierra County are located in cities such as Loyalton, North San Juan, Calpine, Sierraville, Sierra City. These cities and towns help define the economic and demographic character of the county.

Most ZIP Codes in Sierra County, California follow the America/Los_Angeles time zone.

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  20. Madera County ZIP Codes
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