San Ramon, CA Business Index
San Ramon is a city in Contra Costa County with an estimated 86,209 residents as of 2025, down 0.3% since 2020. San Ramon's business base is indexed below across 48 owner-operated industries.
- Population (2025)
- 86,209
- U.S. Census Bureau estimate
- Change since 2020
- -0.3%
- 2020–2025
- Land area
- 20.1 sq mi
- 2023 Census Gazetteer
- Density
- 4,298/sq mi
- Residents per square mile
Population trend
Annual resident population estimates, U.S. Census Bureau Population Estimates Program.
| Year | Population | Year over year |
|---|---|---|
| 2020 | 86,500 | n/a |
| 2021 | 86,407 | -0.11% |
| 2022 | 85,832 | -0.67% |
| 2023 | 85,583 | -0.29% |
| 2024 | 86,031 | +0.52% |
| 2025 | 86,209 | +0.21% |
San Ramon holds 7.4% of Contra Costa County’s 1,170,070 residents.
Industries in Contra Costa County
San Ramon businesses compete in the Contra Costa County market. Establishment counts, employment and payroll below are reported at county level by the U.S. Census Bureau.
HVAC & PlumbingViewElectricalViewRoofingViewLandscapingViewPest ControlViewPool ServiceViewCommercial CleaningViewFlooringViewGlass & GlazingViewSeptic & WellViewAuto RepairViewAuto BodyViewCar WashViewTowingViewTruckingViewEquipment RentalViewDentalViewVeterinaryViewHome HealthViewPharmacyViewMedical PracticeViewOptometryViewAccountingViewInsurance AgencyViewIT & MSPViewStaffingViewEngineeringViewArchitectureViewLaw FirmViewSecurity ServicesViewPrintingViewSign ShopsViewMachine ShopsViewMetal FabricationView
PlasticsPending
Food ManufacturingViewMillworkViewRestaurantsViewBakeriesViewLiquor StoresViewGyms & FitnessViewSalons & SpasViewLaundromatsViewDry CleaningViewFuneral HomesViewSelf StorageViewChildcareViewPet ServicesViewNearby cities
Other indexed places in Contra Costa County and the surrounding area.
Data last refreshed from source on 2026-09-08.
Sources
- U.S. Census Bureau, Population Estimates Program (Vintage 2025). Subcounty resident population estimates. Retrieved 2026-09-08.
- U.S. Census Bureau, 2023 Gazetteer Files. Land area and internal point coordinates. Retrieved 2026-09-08.
- U.S. Census Bureau, ANSI/FIPS Place-to-County Relationship File Retrieved 2026-09-08.