San Bernardino County

Fontana, CA Business Index

Fontana is a city in San Bernardino County with an estimated 221,223 residents as of 2025, up 5.8% since 2020. Fontana's business base is indexed below across 48 owner-operated industries.

Population (2025)
221,223
U.S. Census Bureau estimate
Change since 2020
+5.8%
2020–2025
Land area
43.3 sq mi
2023 Census Gazetteer
Density
5,112/sq mi
Residents per square mile

Population trend

Annual resident population estimates, U.S. Census Bureau Population Estimates Program.

YearPopulationYear over year
2020209,159n/a
2021212,415+1.56%
2022214,765+1.11%
2023216,759+0.93%
2024219,359+1.20%
2025221,223+0.85%

Fontana holds 9.9% of San Bernardino County’s 2,224,091 residents.

Industries in San Bernardino County

Fontana businesses compete in the San Bernardino County market. Establishment counts, employment and payroll below are reported at county level by the U.S. Census Bureau.

Nearby cities

Other indexed places in San Bernardino County and the surrounding area.

Data last refreshed from source on 2026-09-08.

Sources

  1. U.S. Census Bureau, Population Estimates Program (Vintage 2025). Subcounty resident population estimates. Retrieved 2026-09-08.
  2. U.S. Census Bureau, 2023 Gazetteer Files. Land area and internal point coordinates. Retrieved 2026-09-08.
  3. U.S. Census Bureau, ANSI/FIPS Place-to-County Relationship File Retrieved 2026-09-08.