Catonsville, Maryland Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates
The population of Catonsville, Maryland is 42,717 as of the 2023 American Community Survey, making it the 23rd-largest city in Maryland. The median household income is $110,051, the median home value is $405,800, and the median age is 39.8.
42,717
Population
3060
People / sq mi
$110,051
Median Income
$405,800
Median Home Value
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Catonsville covers 14.0 sq mi of land at 3060 people per square mile.
About Catonsville, MD
Educational attainment is the headline number in Catonsville: 51.9% of adults 25 and older have a four-year degree. Catonsville is a city in Maryland with a population of 42,717. It ranks #23 among cities in Maryland by population.
Median household income is $110,051, above the US median of $78,538. Poverty is relatively low for US cities at 3.9%, below the national 12.4%. Homes carry a median value of $405,800, with typical rent around $1,697.
About 51.9% of adults 25 and older have a bachelor’s degree, above the 35.0% national figure. A solid 19.0% of workers are based at home, above the national 14.0%, and the average commute runs about 26 minutes each way.
The education numbers are the throughline: a college-heavy population in Catonsville usually coincides with higher incomes and a workforce concentrated in professional and information industries.
Race & Ethnicity
| White | 61.9% |
| Black or African American | 18.6% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 0.7% |
| Two or More Races | 0.1% |
Economy & Income
$110,051
Median Household Income
$52,967
Per Capita Income
3.9%
Poverty Rate
2.4%
Unemployment Rate
Housing
$405,800
Median Home Value
$1,697
Median Rent
69.3%
Owner-Occupied
Education
92.7%
High School+
51.9%
Bachelor's+
Commute
1.8%
Drive Alone
68.8%
Public Transit
19.0%
Work From Home
25.7 min
Avg Commute
Community Profile
25.9%
Foreign Born
85.0%
Non-English at Home
6.2%
Veterans
11.6%
With Disability
95.5%
Health Insurance
94.5%
Internet Access
Employment by Industry
| Professional, Scientific & Management | 27.7% |
| Finance, Insurance & Real Estate | 17.7% |
| Education, Health Care & Social Services | 9.0% |
| Public Administration | 9.0% |
| Information | 5.3% |
| Manufacturing | 5.2% |
| Arts, Entertainment & Food Services | 4.9% |
| Construction | 4.5% |
| Retail Trade | 4.0% |
| Transportation & Warehousing | 1.3% |
| Agriculture & Mining | 0.3% |
Largest cities in Maryland
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Frequently Asked Questions
Catonsville, Maryland has a population of 42,717 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 23rd-largest city in Maryland.
The median household income in Catonsville, Maryland is $110,051, with 3.9% of residents living below the federal poverty level.
The median home value in Catonsville, Maryland is $405,800, with median monthly rent at $1,697 and a homeownership rate of 69.3%.
The median age in Catonsville, Maryland is 39.8 years. The population is 47.6% male and 52.4% female.
Catonsville Cdp, MD Climate
Catonsville Cdp, MD has an average annual temperature of 13°C (55°F) and receives about 1141 mm of precipitation per year. The warmest month is July and the coldest is January. Figures are 1970–2000 climate normals.
13°C
Avg Temp
1141
Precip (mm/yr)
Jul
Hottest Month
Jan
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | 0° / 33° | 87 mm |
| February | 2° / 35° | 76 mm |
| March | 7° / 44° | 101 mm |
| April | 12° / 54° | 88 mm |
| May | 18° / 64° | 115 mm |
| June | 22° / 72° | 96 mm |
| July | 25° / 77° | 103 mm |
| August | 24° / 75° | 101 mm |
| September | 20° / 69° | 103 mm |
| October | 14° / 57° | 86 mm |
| November | 8° / 47° | 94 mm |
| December | 3° / 38° | 91 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 Catonsville Cdp, MD
The most comfortable months to visit Catonsville Cdp, MD are typically September, June and August, when temperatures are mildest and rainfall is relatively low. The hottest month is July (around 31°C high). The coldest is January (near -4°C low). May is usually the wettest month.
Where to stay near Catonsville
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Population, race, income, age, and trends across Maryland
Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.