Oldest Cities in California by Median Age

The top 25 of 110 California cities on GIS Map, ranked by highest median age.

#	City	County	Median age	Population
1	Palm Springs	Riverside	58.5 years	45,070
2	Palm Desert	Riverside	57.5 years	51,990
3	Newport Beach	Orange	45.9 years	83,845
4	San Clemente	Orange	45.6 years	63,273
5	Mission Viejo	Orange	45.5 years	92,151
6	Huntington Beach	Orange	44 years	195,240
7	Palo Alto	Santa Clara	43.6 years	67,237
8	Torrance	Los Angeles	43.2 years	142,130
9	Westminster	Orange	43.2 years	89,860
10	Pleasanton	Alameda	43.1 years	76,960
11	Santa Monica	Los Angeles	42.7 years	91,169
12	Carlsbad	San Diego	42.5 years	114,373
13	San Leandro	Alameda	41.9 years	87,826
14	Simi Valley	Ventura	41.9 years	125,634
15	Carson	Los Angeles	41.7 years	92,871
16	San Ramon	Contra Costa	41.6 years	85,993
17	Alhambra	Los Angeles	41.5 years	81,022
18	Napa	Napa	41.5 years	78,239
19	Glendale	Los Angeles	41.4 years	190,748
20	San Buenaventura	Ventura	41.3 years	109,857
21	Santa Rosa	Sonoma	41.2 years	177,090
22	Alameda	Alameda	41 years	77,238
23	Folsom	Sacramento	41 years	83,916
24	Livermore	Alameda	40.7 years	85,522
25	Vallejo	Solano	40.6 years	124,268

Top California Counties

Counties ranked by highest median age.

1. Trinity County54.9 years 2. Sierra County54.7 years 3. Calaveras County52 years 4. Plumas County52 years 5. Mariposa County51.2 years 6. Nevada County50.1 years 7. Amador County49.7 years 8. Tuolumne County48.4 years 9. Modoc County47.5 years 10. Marin County47.4 years

Source: U.S. Census Bureau, American Community Survey 2020-2024 5-year estimates. Only cities covered by GIS Map with at least 1,000 residents are ranked. Estimates carry margins of error.

Citing this page: GIS Map, “Oldest Cities in California by Median Age”, https://gismap.land/rankings/california/oldest-cities. Figures from U.S. Census Bureau, American Community Survey 2020-2024 5-year estimates.

Oldest Cities in California by Median Age

Top California Counties

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