County · Maryland
Baltimore County, Maryland
Baltimore County, Maryland. Baltimore County had 847,650 residents in 2025 by the Census Bureau's estimate, down 0.8% since 2020, while Maryland grew 1.4%. It holds 32 places (32 census-designated) and 219 census tracts. GEOID 24005.
Baltimore County is one of the 7 counties of the Baltimore-Columbia-Towson, MD metropolitan statistical area (the Census Bureau's July 2023 delineation).
Residents, July 2025 estimate
847,650
Census Bureau estimate (no margin published)
2020 Census count: 854,535 · ACS 2020-2024: 850,796
Median household income
$91,768
±$1,446 (90% margin)
Maryland: $103,678
Median home value
$349,300
±$2,553 (90% margin)
Maryland: $419,900
Median gross rent
$1,627
±$17 (90% margin)
Maryland: $1,705
How many people live in Baltimore County, and is it growing?
The 2020 Census counted 854,535 residents in Baltimore County. The Census Bureau estimates 847,650 for July 1, 2025, down 0.8% since 2020, while Maryland grew 1.4%. The 2020-2024 American Community Survey puts the population at 850,796 over 598 square miles of land.
| Measure | Baltimore County | Maryland | Change since 2015-2019 |
|---|---|---|---|
| Total population | 850,796 | 6,206,011 | +22,778 |
| Households | 332,801±1,226 | 2,362,928 | +19,282 |
| Average household size | 2.50±0.01 | 2.57 | −0.08 |
| Housing units | 350,821±189 | 2,560,784 | +13,769 |
Baltimore County's population since 2000
From 754,292 in 2000 to 847,650 in 2025: up 12.4%. The 2000, 2010 and 2020 figures are census counts. The 2005 figure is the Census Bureau's intercensal estimate, revised to fit the 2000 and 2010 counts and drawn on 2010 boundaries; 2015 and 2025 are July 1 estimates made from the census before them.
Source: The 2000, 2010 and 2020 Census counts and the Census Bureau's population estimates (intercensal 2000-2010, Vintage 2020, Vintage 2025) · Census population estimates
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); PEP Vintage 2025 (CO-EST2025); 2020 Census · Check it at data.census.gov
What cities and towns are in Baltimore County?
Baltimore County holds 32 places: 32 census-designated places. The largest is Dundalk with 65,969 residents (2020-2024). Places that cross a county line are listed with the share of their 2020 residents who live in this county.
| Dundalk | 67,796 | $64,520 |
|---|---|---|
| Towson | 59,553 | $101,320 |
| Catonsville | 44,701 | $114,109 |
| Essex | 40,505 | $67,168 |
| Woodlawn (Baltimore County) | 39,986 | $82,466 |
| Owings Mills | 35,674 | $96,243 |
| Pikesville | 34,168 | $98,465 |
| Randallstown | 33,655 | $85,735 |
| Middle River | 33,203 | $78,398 |
| Parkville | 31,812 | $79,178 |
| Milford Mill | 30,622 | $69,711 |
| Perry Hall | 29,409 | $106,244 |
| Carney | 29,363 | $83,620 |
| Reisterstown | 26,822 | $85,543 |
| Lochearn | 25,511 | $74,707 |
| Cockeysville | 24,184 | $77,680 |
| Arbutus | 21,655 | $99,090 |
| Rosedale | 19,961 | $85,711 |
| Rossville | 16,029 | $90,000 |
| Honeygo | 12,927 | $146,384 |
| Overlea | 12,832 | $88,841 |
| Mays Chapel | 12,224 | $126,996 |
| Timonium | 10,458 | $119,863 |
| White Marsh | 10,287 | $117,426 |
| Garrison | 9,487 | $102,423 |
| Edgemere | 9,069 | $103,165 |
| Lansdowne | 9,004 | $58,605 |
| Baltimore Highlands | 7,740 | $62,304 |
| Bowleys Quarters | 6,853 | $99,534 |
| Lutherville | 6,835 | $113,563 |
| Hampton | 5,180 | $170,688 |
| Kingsville | 4,358 | $128,563 |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); 2020 place-by-county parts · Check it at data.census.gov
Who lives in Baltimore County?
The median resident of Baltimore County is 39.7 years old; 21.9% are under 18 and 18.1% are 65 or older. The largest group is non-Hispanic white residents at 51.1%, then non-Hispanic Black residents at 30.1%. 13.2% of residents were born outside the United States.
| Measure | Baltimore County | Maryland | Change since 2015-2019 |
|---|---|---|---|
| Median age | 39.7±0.2 | 39.4 | +0.3 |
| Under 18 years | 21.9%±0.1 pts | 22.2% | – |
| 65 years and over | 18.1%±0.1 pts | 16.7% | – |
| Hispanic or Latino (any race) | 7.8% | 12.5% | +2.4 pts |
| White alone, not Hispanic | 51.1%±0.2 pts | 46.6% | −6.2 pts |
| Black or African American alone, not Hispanic | 30.1%±0.2 pts | 28.9% | +1.6 pts |
| Asian alone, not Hispanic | 6.1%±0.1 pts | 6.5% | no clear change |
| American Indian and Alaska Native alone, not Hispanic | 0.1%±0.1 pts | 0.1% | – |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.0%±0.1 pts | 0.0% | – |
| Two or more races, not Hispanic | 4.1%±0.3 pts | 4.6% | – |
| Some other race alone, not Hispanic | 0.6%±0.1 pts | 0.7% | – |
| Born outside the United States | 13.2%±0.4 pts | 16.6% | +0.6 pts |
| Speak a language other than English at home (age 5+) | 15.8%±0.4 pts | 21.1% | – |
| Civilian veterans (age 18+) | 5.8%±0.2 pts | 6.8% | – |
| With a disability | 12.1%±0.3 pts | 11.6% | – |
| No health insurance coverage | 5.4%±0.3 pts | 6.3% | no clear change |
| High school graduate or higher (age 25+) | 91.7%±0.3 pts | 91.1% | – |
| Bachelor's degree or higher (age 25+) | 42.3%±0.6 pts | 43.4% | +2.9 pts |
| Graduate or professional degree (age 25+) | 19.1%±0.4 pts | 20.8% | – |
| Moved from another state in the past year | 1.5%±0.2 pts | 2.6% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profiles DP02, DP05) · Check it at data.census.gov
What do households in Baltimore County earn?
Half of Baltimore County's 332,801 households earn less than $91,768 a year (±$1,446), against $103,678 in Maryland. In 2015-2019 the median was $94,599 in 2024 dollars, so it fell by $2,831 after inflation. 9.8% of residents live below the poverty line.
| Measure | Baltimore County | Maryland | Change since 2015-2019 |
|---|---|---|---|
| Median household income | $91,768±$1,446 | $103,678 | −$2,831 |
| Mean household income | $122,863±$1,787 | $136,642 | – |
| Per capita income | $49,074±$738 | $52,979 | no clear change |
| People below the poverty line | 9.8%±0.5 pts | 9.4% | +0.8 pts |
| Children under 18 below the poverty line | 12.2%±1.2 pts | 11.5% | no clear change |
| Households receiving SNAP | 11.3%±0.5 pts | 11.2% | – |
| Households with a broadband subscription | 91.4%±0.4 pts | 92.4% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov
What does housing cost in Baltimore County?
Owners occupy 66.4% of Baltimore County's occupied homes and renters 33.6%. The median owner-occupied home is valued at $349,300 by its owner (±$2,553). The median renter pays $1,627 a month including utilities, and 44.8% of renters pay 35% or more of their income on rent.
| Measure | Baltimore County | Maryland | Change since 2015-2019 |
|---|---|---|---|
| Median home value (owner-occupied) | $349,300±$2,553 | $419,900 | +$27,474 |
| Median gross rent | $1,627±$17 | $1,705 | +$25 |
| Renters paying 35% or more of income on rent | 44.8%±1.5 pts | 42.3% | +3.8 pts |
| Median monthly owner costs, with a mortgage | $2,049±$22 | $2,347 | – |
| Owner-occupied homes | 66.4%±0.7 pts | 67.6% | no clear change |
| Housing units | 350,821±189 | 2,560,784 | +13,769 |
| Homeowner vacancy rate | 0.7%±0.1 pts | 0.8% | – |
| Rental vacancy rate | 4.8%±0.6 pts | 4.7% | – |
| Single-family detached homes | 47.2%±0.6 pts | 51.2% | – |
| Mobile homes | 0.8%±0.1 pts | 1.3% | – |
| Built 2020 or later | 0.7%±0.1 pts | 1.4% | – |
| Built 1939 or earlier | 7.4%±0.4 pts | 10.7% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP04) · Check it at data.census.gov
How many new homes is Baltimore County building?
Builders took permits for 1,531 new housing units across Baltimore County in 2025 (1,152 single-family), 1.8 per 1,000 residents.
Source: Building Permits Survey, annual county files 2019-2025, U.S. Census Bureau · Census Building Permits Survey
How do people in Baltimore County get to work?
69.5% of Baltimore County's workers drive alone and 16.5% work from home. The average trip to work takes 28.0 minutes. The unemployment rate in 2020-2024 averaged 4.9%.
| Measure | Baltimore County | Maryland | Change since 2015-2019 |
|---|---|---|---|
| In the labor force (age 16+) | 65.8%±0.4 pts | 67.1% | – |
| Unemployment rate | 4.9%±0.3 pts | 4.9% | no clear change |
| Drove alone to work | 69.5%±0.7 pts | 64.7% | – |
| Carpooled | 7.8%±0.4 pts | 7.7% | – |
| Public transportation | 2.5%±0.2 pts | 4.2% | – |
| Walked | 1.9%±0.2 pts | 2.0% | – |
| Worked from home | 16.5%±0.5 pts | 19.3% | +12.2 pts |
| Mean travel time to work | 28.0 min±0.3 | 31.1 min | −1.8 min |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov
What are Baltimore County's census tracts?
Baltimore County is divided into 219 census tracts. Among those with a reliable estimate, median household income runs from $2,500 or less (Tract 4906.05) to $250,000 or more (Tract 4038.02).
All 219 census tracts of Baltimore County, with their figures
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) · Check it at data.census.gov
How does Baltimore County compare with Maryland's other counties?
| Measure | Rank |
|---|---|
| Population | 3rd of 24 |
| Growth 2020-2025 | 21st of 24 |
| Residents per square mile | 4th of 24 |
| Median household income | 13th of 24 |
| Median home value | 14th of 24 |
| Median gross rent | 9th of 24 |
| Poverty rate | 12th of 24 |
| Bachelor's degree or higher | 5th of 24 |
| Median age | 16th of 24 |
Source: PlainCities ranks from the American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) and PEP Vintage 2025 · How ranks are computed
How these figures are made: methodology and release checks · reading a margin of error · every state · corrections
Not on this page: crime, weather and schools for Baltimore County are other agencies' records. Crime: the FBI's Crime Data Explorer · climate: NOAA's U.S. Climate Normals · schools: the National Center for Education Statistics' school search.