California · Census place 0670098
Santa Rosa, California
Santa Rosa is a city in Sonoma County, California with an estimated 177,524 residents on July 1, 2024. It is the 27th largest of 468 incorporated places of 1,000+ people in the state.
- Population 2024
- 177,524
- #27 of 468 in California
- Change since 2020
- -0.3%
- -448 people
- Land area
- 42.5 sq mi
- + 0.17 sq mi water
- Density
- 4,173 / sq mi
- State median 3,725
Measure from here
Tools and pages that start from Santa Rosa
Santa Rosa population, 2020 to 2024
Santa Rosa lost 448 residents from July 2020 to July 2024, a change of -0.3%. In the latest year it moved by +1,084. Among 429 California places of 5,000 or more, that growth ranks 168th; the median place changed by -1.1%. The median place of 5,000+ in California has 37,056 people, so Santa Rosa is 4.8 times that size.
Santa Rosa covers 42.54 square miles of land and 0.17 of water, for 4,173 people per square mile of land. The median California place of 5,000+ has 3,725, so Santa Rosa is denser than the typical town.
What county Santa Rosa is in
All of Santa Rosa's residents live in Sonoma County, which had 485,375 residents in 2024. Santa Rosa holds 36.6% of the county's population. The shaded shape is on the map above; dots mark the eight nearest places.
ZIP codes in Santa Rosa
6 ZIP Code Tabulation Areas (ZCTAs) overlap Santa Rosa by at least 10% of the ZCTA's or the city's land: 95401, 95403, 95404, 95405, 95407, 95409. ZCTAs are Census approximations of USPS ZIP code delivery areas. The list comes from the 2020 ZCTA to place relationship file, so a city that annexed land after 2020 may reach into ZIP codes not listed here.
Where Santa Rosa is
The Census internal point of Santa Rosa is at 38.445800, -122.706200. Sacramento, the capital, is 66.2 miles E in a straight line. The nearest larger place is San Francisco, CA (827,526 people), 52.7 miles away. The nearest city of 100,000 or more is Vallejo, CA, 33.6 miles away. The ground at the internal point is about 56 m (184 ft) above sea level.
Internal point
- Decimal
- 38.445800, -122.706200
- DMS
- 38°26'44.88"N 122°42'22.32"W
- UTM
- 10N 525637.9E 4255320.2N
- Geohash
- 9qbdxyb54
- Plus code
- 84CVC7WV+8G
- Time zone
- America/Los_Angeles
Daylight in Santa Rosa
At 38.45° N, Santa Rosa gets about 14 h 51 min of daylight around the June solstice and 9 h 29 min around the December solstice, a swing of 5 h 22 min. Figures are sunrise to sunset from the SunCalc model for June 21 and December 21, 2026. Month-by-month sunrise and sunset times are on the Santa Rosa daylight page.
Places near Santa Rosa
The eight nearest incorporated places of 1,000+ in California, measured between internal points. The closest is Rohnert Park, 6.8 miles away, with 44,894 people.
Questions people ask
What is the population of Santa Rosa, CA?
177,524 on July 1, 2024, in the Census Vintage 2024 estimates. That is down 448 (0.3%) from 177,972 in July 2020.
What county is Santa Rosa in?
Sonoma County. All of its residents live in that county.
What ZIP codes cover Santa Rosa?
6 ZIP Code Tabulation Areas overlap it by at least 10% of either area: 95401, 95403, 95404, 95405, 95407, 95409.
How far is Santa Rosa from Sacramento?
66.2 miles (106.5 km) in a straight line, heading E from Santa Rosa.
What is the nearest larger city to Santa Rosa?
San Francisco, CA, with 827,526 residents, 52.7 miles away between internal points.
Sources and data as of
Data as of: Census Vintage 2024 subcounty estimates (July 1, 2024), 2024 Gazetteer places, 2020 ZCTA to place relationship file.
- 01Census Vintage 2024 subcounty population estimates
- 02Census 2024 Gazetteer, places
- 03Census 2020 ZCTA to place relationship file
- 04Census 2024 cartographic boundary file, counties (1:5,000,000)
- 05Open-Meteo forecast API (time zone and Copernicus GLO-90 elevation) (last verified 2026-09-30)
How every number is computed: methodology. Spotted a wrong figure? Report an error.