Bostonia, California Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates
The population of Bostonia, California is 16,545 as of the 2023 American Community Survey, making it the 390th-largest city in California. The median household income is $73,549, the median home value is $435,900, and the median age is 34.4.
16,545
Population
8590
People / sq mi
$73,549
Median Income
$435,900
Median Home Value
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Bostonia covers 1.9 sq mi of land at 8590 people per square mile.
About Bostonia, CA
What distinguishes Bostonia is density: among the most densely settled of US cities, around 8,590 people per square mile. Bostonia is a city in California with a population of 16,545.
The typical household here earns about $73,549, below the US median of $78,538. Roughly 13.1% of residents fall below the poverty line, above the national 12.4%. The typical home is valued at $435,900, with typical rent around $1,932.
Degree attainment is on the lower side for US cities: 22.6% of adults hold a bachelor’s degree, below the national 35.0%. Remote work is below the national 14.0% at 11.3%, and the average commute runs about 26 minutes each way.
That density explains much of the rest of the profile in Bostonia: denser places lean toward renting, shorter commutes by transit, and a younger working-age mix.
Race & Ethnicity
| White | 59.8% |
| Black or African American | 9.9% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 3.3% |
| Two or More Races | 0.2% |
Economy & Income
$73,549
Median Household Income
$32,959
Per Capita Income
13.1%
Poverty Rate
5.8%
Unemployment Rate
Housing
$435,900
Median Home Value
$1,932
Median Rent
42.5%
Owner-Occupied
Education
87.3%
High School+
22.6%
Bachelor's+
Commute
4.1%
Drive Alone
71.4%
Public Transit
11.3%
Work From Home
25.5 min
Avg Commute
Community Profile
19.4%
Foreign Born
65.6%
Non-English at Home
9.3%
Veterans
12.6%
With Disability
92.3%
Health Insurance
95.5%
Internet Access
Employment by Industry
| Education, Health Care & Social Services | 17.7% |
| Professional, Scientific & Management | 15.3% |
| Finance, Insurance & Real Estate | 14.3% |
| Manufacturing | 8.5% |
| Information | 6.3% |
| Retail Trade | 6.2% |
| Construction | 4.8% |
| Public Administration | 4.5% |
| Arts, Entertainment & Food Services | 3.6% |
| Transportation & Warehousing | 2.1% |
| Agriculture & Mining | 0.7% |
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Frequently Asked Questions
Bostonia, California has a population of 16,545 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 390th-largest city in California.
The median household income in Bostonia, California is $73,549, with 13.1% of residents living below the federal poverty level.
The median home value in Bostonia, California is $435,900, with median monthly rent at $1,932 and a homeownership rate of 42.5%.
The median age in Bostonia, California is 34.4 years. The population is 47.1% male and 52.9% female.
Bostonia Cdp, CA Climate
Bostonia Cdp, CA has an average annual temperature of 18.2°C (65°F) and receives about 318 mm of precipitation per year. The warmest month is August and the coldest is January. Figures are 1970–2000 climate normals.
18.2°C
Avg Temp
318
Precip (mm/yr)
Aug
Hottest Month
Jan
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | 13° / 56° | 63 mm |
| February | 14° / 58° | 59 mm |
| March | 15° / 59° | 61 mm |
| April | 17° / 62° | 26 mm |
| May | 18° / 65° | 7 mm |
| June | 21° / 69° | 2 mm |
| July | 23° / 74° | 1 mm |
| August | 24° / 75° | 3 mm |
| September | 23° / 74° | 7 mm |
| October | 20° / 69° | 11 mm |
| November | 16° / 61° | 36 mm |
| December | 14° / 56° | 42 mm |
1970–2000 normals from WorldClim 2.1 (~9 km grid). Precipitation can be less precise near mountains or coastlines, where rainfall varies sharply over short distances.
Best time to visit Bostonia Cdp, CA
The most comfortable months to visit Bostonia Cdp, CA are typically June, October and July, when temperatures are mildest and rainfall is relatively low. The hottest month is August (around 31°C high). The coldest is January (near 7°C low). January is usually the wettest month.
Where to stay near Bostonia
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.