Shasta County, California

County seat: Redding · Population 181,648 (2025) · 3,776 sq mi

Shasta County is the 30th most populous of California's 58 counties, with 181,648 people (2025 estimate). Its county seat is Redding. The map shows its 3 cities and towns and the 6 neighboring counties.

Map of Shasta County, California with cities, towns and the county boundary
Shasta County, California with its cities and towns, unincorporated communities (CDPs) and neighboring counties. Boundaries: U.S. Census Bureau, 2025. Free to use with attribution (CC BY 4.0).

Shasta County facts

County seat
Redding
Population (2025 estimate)
181,648 −0.4% since 2020
Land area
3,776 sq mi 13th largest of 58
Water area
72 sq mi
Population density
48 per sq mi
Established
1850
Named after
Mount Shasta stratovolcano in Siskiyou County, California, United States
Largest city
Redding 94,092
Median household income
$72,636
Cities and towns
3 plus 29 CDPs
ZIP codes
30
Time zone
Pacific
FIPS code
06089

Cities and towns in Shasta County

Shasta County has 3 incorporated cities, towns and villages. Populations count the people living inside Shasta County; cities that cross a county line also list the other counties.

NameTypePopulation 2025Also in
Redding (county seat)City94,092
AndersonCity11,131
Shasta LakeCity10,208

Unincorporated communities (CDPs)

Census-designated places are communities without their own city government; the county provides their services.

CommunityPopulationAlso in
Cottonwood7,408
Happy Valley5,944
Bella Vista4,511
Palo Cedro3,685
Burney2,668
Shingletown2,164
Centerville1,954
Shasta1,387
Jones Valley1,122
Johnson Park943
Millville939
Mountain Gate742
Oak Run596
Lakehead577
Fall River Mills444
McArthur346
Keswick240
Whitmore207
Castella204
Round Mountain169
French Gulch154
Montgomery Creek134
Cassel118
Igo90
Big Bend67
Hat Creek57
Ono37
Old Station0
Platina0

ZIP codes in Shasta County

30 ZIP codes reach into Shasta County. ZIP codes ignore county lines, so some also cover a neighboring county.

Population of Shasta County, 2020–2025

Shasta County shrank by 804 people (−0.4%) between April 2020 and July 2025: 3,464 more deaths than births and a net gain of 2,725 people from migration.

Year (July 1)Population
2020182,191
2021182,323
2022180,957
2023180,695
2024181,392
2025181,648

Neighboring counties

Printable Shasta County map

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Sources

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