Rosemont, California Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates
The population of Rosemont, California is 23,448 as of the 2023 American Community Survey, making it the 316th-largest city in California. The median household income is $86,178, the median home value is $436,400, and the median age is 35.7.
23,448
Population
5345
People / sq mi
$86,178
Median Income
$436,400
Median Home Value
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Rosemont covers 4.4 sq mi of land at 5345 people per square mile.
About Rosemont, CA
What distinguishes Rosemont is density: among the most densely settled of US cities, around 5,345 people per square mile. Rosemont is a city in California with a population of 23,448.
Median household income is $86,178, above the US median of $78,538. Poverty sits at 12.1%, close to the national 12.4%. The typical home is valued at $436,400, with typical rent around $1,719.
30.1% of adults 25 and older hold a bachelor’s degree, below the national average of 35.0%. About 14.2% of the workforce is home-based, close to the national 14.0%, and the average commute runs about 27 minutes each way.
That density explains much of the rest of the profile in Rosemont: denser places lean toward renting, shorter commutes by transit, and a younger working-age mix.
Race & Ethnicity
| White | 50.2% |
| Black or African American | 12.3% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 3.4% |
| Two or More Races | 0.0% |
Economy & Income
$86,178
Median Household Income
$37,735
Per Capita Income
12.1%
Poverty Rate
4.2%
Unemployment Rate
Housing
$436,400
Median Home Value
$1,719
Median Rent
60.3%
Owner-Occupied
Education
94.1%
High School+
30.1%
Bachelor's+
Commute
3.2%
Drive Alone
71.5%
Public Transit
14.2%
Work From Home
26.6 min
Avg Commute
Community Profile
16.3%
Foreign Born
73.0%
Non-English at Home
6.8%
Veterans
16.6%
With Disability
94.6%
Health Insurance
97.4%
Internet Access
Employment by Industry
| Professional, Scientific & Management | 20.4% |
| Public Administration | 13.6% |
| Finance, Insurance & Real Estate | 10.3% |
| Education, Health Care & Social Services | 8.8% |
| Information | 8.2% |
| Retail Trade | 6.8% |
| Construction | 6.4% |
| Manufacturing | 6.3% |
| Arts, Entertainment & Food Services | 4.8% |
| Transportation & Warehousing | 2.0% |
| Agriculture & Mining | 0.3% |
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Frequently Asked Questions
Rosemont, California has a population of 23,448 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 316th-largest city in California.
The median household income in Rosemont, California is $86,178, with 12.1% of residents living below the federal poverty level.
The median home value in Rosemont, California is $436,400, with median monthly rent at $1,719 and a homeownership rate of 60.3%.
The median age in Rosemont, California is 35.7 years. The population is 45.5% male and 54.5% female.
Where to stay in Rosemont
Visiting or relocating to Rosemont, CA? Compare hotels and short-term rentals across the metro — live availability and prices.
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.