Baltimore County, MD demographics:
population, income, and more

Total population
1,105,543
-0.1% year-over-year change
Median household income
$108,094/yr
3.9% year-over-year change
Housing units
465,297
0.3% year-over-year change

Baltimore County population

How many people live in Baltimore County

Baltimore County is home to 1,105,543 residents, according to the most recent Census data. Gender-wise, 47.3% of Baltimore County locals are male, and 52.7% are female.

Total population
1,105,543
-0.1% year-over-year change
Gender ratio
Male
47.3%
522,988
Female
52.7%
582,555
Value Percent YoY change
Male 522,988 47.3% 0.1%
Female 582,555 52.7% -0.3%
A higher population often means more rental variety and livelier areas. The gender balance—how many men live here compared to women—can reveal a lot about the community and the lifestyles of its residents. Use this info to get a sense of the area's pace and personality.

Age demographics

The median age in Baltimore County is 40, with the population distributed as follows: about 18% are children under 15, then 12.7% are in the 15 to 24 age group. Adults between 25 and 44 make up 26.7% of the population, while another 24.9% fall into the 45 to 64 bracket. Finally, around 17.7% are 65 or older.

Median age
40
Age breakdown
Under 15
18%
15 to 24
12.7%
25 to 44
26.7%
45 to 64
24.9%
Over 65
17.7%
Value Percent YoY change
Under 15 199,167 18% -0.8%
15 to 24 139,939 12.7% 0.1%
25 to 44 295,630 26.7% -0.1%
45 to 64 275,333 24.9% -1.6%
Over 65 195,474 17.7% 2.3%
The age composition helps you get insight into who lives in the area. A younger population might mean a more active, fast-paced vibe, while an older one could suggest a quieter, slower lifestyle. If there's a balanced makeup, you’re likely to find a variety of services, housing types, and community spaces that cater to different life stages.

Racial makeup

In Baltimore County, 86% of the population are US-born citizens, while 8.8% have gained naturalized citizenship. At the same time, 5.2% of residents are non-citizens. As for race, 49.3% of locals are Caucasian, 34.6% are African American and 5.4% have Asian roots. There’s also a share of 6.4% that includes residents with two or more races.

Citizenship
U.S.-born citizens
86%
Non-U.S.-born citizens
8.8%
Non-citizens
5.2%
Value Percent YoY change
U.S.-born citizens 950,639 86% -0.7%
Non-U.S.-born citizens 96,894 8.8% 4.4%
Non-citizens 58,010 5.2% 1.2%
Racial breakdown
White
49.3%
Black or African American
34.6%
American Indian and Alaska Native
0.3%
Asian
5.4%
Native Hawaiian and other Pacific Islander
0%
Two or more races
6.4%
Other
4%
Value Percent
White 544,585 49.3%
Black or African American 382,297 34.6%
American Indian and Alaska Native 3,165 0.3%
Asian 60,278 5.4%
Native Hawaiian and other Pacific Islander 353 0%
Two or more races 70,292 6.4%
Other 44,573 4%

Households in Baltimore County

A peek inside Baltimore County households

Baltimore County has 438,479 households, with an average of 3 members in each. Of these, 61.4% are families, while the remaining 38.6% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
438,479
0.9% year-over-year change
Average people per household
3
Non-family households
169,251
Family households
269,228
Value Percent YoY change
Non-family households 169,251 38.6% 2.0%
Family households 269,228 61.4% 0.2%
The mix between family and non-family households gives a glimpse into daily life. A higher percentage of families might mean more parks and schools, while more non-family setups can mean flexible housing and diverse living styles. For renters, this can signal what kinds of homes are common and can help you figure out if the area matches your lifestyle.

Housing in Baltimore County

The housing landscape of Baltimore County

Baltimore County's housing consists of 465,297 units, with 43.1% being detached single-family homes ideal for those wanting space. Attached options, including duplexes and townhouses, make up 28.2% and offer a more compact, shared living style. Then there are the multifamily buildings in the area, and for those seeking flexibility, non-traditional options like mobile homes account for 0.7% of the housing landscape.

Housing units
465,297
0.3% year-over-year change
Housing types
Value Percent
1 unit, detached 200,395 43.1%
1 unit, attached 131,021 28.2%
2 units 8,224 1.8%
3 or 4 units 11,111 2.4%
5 to 9 units 33,869 7.3%
10 to 19 units 40,932 8.8%
20 to 49 units 9,451 2%
50 or more units 26,981 5.8%
Mobile home 3,133 0.7%
Boat, RV, van, etc. 180 0%
Homes built since 2020
3,151
74.7% year-over-year change

The age of buildings in Baltimore County

In Baltimore County, the median construction year is 1975. About 12.5% of homes were built before the 1940s, with another 7.7% going up by 1949. Most development happened in the second half of the 20th century. Then, 7.7% of homes were added from 2000 to 2009, 4.8% between 2010 and 2019, and 0.7% are part of the newest wave of development.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 58,306 12.5% 1.1%
Built between 1940 and 1949 35,898 7.7% -2.5%
Built between 1950 and 1959 85,797 18.4% -4.1%
Built between 1960 and 1969 58,545 12.6% 0.7%
Built between 1970 and 1979 57,714 12.4% 4.5%
Built between 1980 and 1989 54,845 11.8% -0.2%
Built between 1990 and 1999 52,691 11.3% -2.7%
Built between 2000 and 2009 35,916 7.7% 4.8%
Built between 2010 and 2019 22,434 4.8% 4.2%
Built in 2020 or later 3,151 0.7% 74.7%
As a renter, knowing when homes were built helps you understand the potential condition and design of rental units. Newer builds may have more contemporary layouts, while older homes can offer character or larger lots, depending on the area.

Baltimore County occupancy rates

Out of the 438,479 occupied housing units in Baltimore County, 65% are owner-occupied, while 35% are lived in by tenants. Meanwhile, 5.8% of all homes on the local market sit vacant.

Occupied housing units
438,479
0.9% year-over-year change
Occupancy breakdown
Renter occupied
153,467
Owner occupied
285,012
Value Percent YoY
change
Renter occupied 153,467 35% 0.6%
Owner occupied 285,012 65% 1.0%
Unoccupied housing units
5.8%
Unoccupied housing units refer to homes that are currently without residents—whether they're waiting for renters or owners, used seasonally, or simply unclaimed. A higher share of empty homes may mean more housing availability, while a low number can reflect a tighter market with more competition. This, along with the renter-vs.-owner mix, helps paint a clearer picture of what types of housing and services are likely to be available in the area.

Baltimore County housing costs

Housing costs in Baltimore County come to a median of $1,710 per month, while tenants specifically pay a median gross rent of $1,530.

Median housing costs per month
$1,710/month
This figure sums up typical monthly housing costs for all households in the area. If you own, it includes mortgage payments in addition to property taxes, insurance and HOA fees. If you rent, it accounts for rent plus extras like utilities. It’s useful for seeing how local living expenses stack up compared to other places.
Median gross rent in Baltimore County
$1,530/month
Gross rent gives a more complete look at what renters actually pay, including not just base rent, but also utilities and fees. It’s a key number for evaluating rental affordability in your area of interest and understanding how it compares to nearby locations.

Education in Baltimore County

Baltimore County education at a glance

About 31.1% of the population in Baltimore County went to high school, while 20.1% pursued college studies. Another 7% earned an associate degree and 21.5% hold a bachelor’s. Meanwhile, 17% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 27,669 3.2% 3.3%
High school diploma 268,638 31.1% -1.4%
College diploma 173,578 20.1% -2.2%
Associate degree 60,748 7% -0.8%
Bachelor's degree 185,900 21.5% 0.4%
Graduate degree 147,007 17% 4.5%
A community’s education mix can offer insights into the local economy and housing market. Higher levels of education often align with more job opportunities and stable incomes, which can increase demand for homes and influence both rent prices and rental availability.

Income in Baltimore County

How much people earn in Baltimore County

The average annual household income in Baltimore County was $148,663 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a +0.6% change from the previous year. At the same time, the median income stood at $108,094, reflecting a +3.9% shift over the same period.

Average household income in Baltimore County
$148,663/year
0.6% year-over-year change
Median household income in Baltimore County
$108,094/year
3.9% year-over-year change

Baltimore County income by age

In Baltimore County, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $110,175. Those with someone between 45 and 64 in charge, often well established professionally, earn $130,609 overall. Younger households, where the main provider is under 25 and just starting out, report a median income of $48,535, while those led by someone over 65, many of whom may be retired, have about $68,950 in earnings. Overall, 89.7% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
Under 25 $48,535 -2.8%
25 - 44 $110,175 3.5%
45 - 64 $130,609 2.2%
Over 65 $68,950 -0.9%
Above poverty level
957,321
Below poverty level
109,833
Value Percent YoY
change
Above poverty level 957,321 89.7% 0.1%
Below poverty level 109,833 10.3% -1.6%

Employment in Baltimore County

Workforce and job types in Baltimore County

83.1% of the working population are employed in professional or administrative positions, while 16.9% are in hands-on or service-based jobs. Also, 8.1% run their own businesses, 60.8% are employed by private companies, and 19.4% work in the public sector.

Workforce demographics

White collar
463,541
Blue collar
94,522
Value Percent YoY change
White collar 463,541 83.1% 0.6%
Blue collar 94,522 16.9% -2.8%
Employer type
Self employees
8.1%
Private companies
60.8%
Governmental workers
19.4%
Not for profit companies
11.8%
Value Percent YoY change
Self employees 45,211 8.1% -0.6%
Private companies 339,087 60.8% -0.8%
Governmental workers 108,017 19.4% 2.1%
Not for profit companies 65,748 11.8% 1.1%

Transportation in Baltimore County

How people get around in Baltimore County

In Baltimore County, the average commute time is 509 minutes. Commuting methods vary: 92.8% of residents travel by personal vehicle and 2.5% prefer to walk, while the remaining share relies on public transit or on two wheelers to get from A to B.

Commute time
509 min
-15.7% year-over-year change
Means of transportation
Value Percent YoY change
Car 414,628 92.8% -2.2%
Taxicab 3,260 0.7% 12.8%
Bus or trolleybus 14,239 3.2% -16.6%
Railroad 2,100 0.5% -0.8%
Ferryboat 59 0% -53.5%
Motorcycle 446 0.1% -6.9%
Bicycle 793 0.2% 20.0%
Walk 11,286 2.5% 2.6%
Understanding how locals get to work can help you plan your own routine. High car usage might mean you’ll need a vehicle, while strong public transit or walkability could save you the hassle. Commute times also play a big role in quality of life—shorter trips can give you more time for the things you enjoy.

What is the median and average household income in Baltimore County by zipcode?

Zipcode Population Number of households Median income Average income
21013 5,610 1,843 $171,354 $199,912
21030 25,827 10,900 $89,015 $136,342
21031 26 19 $0 $0
21051 172 59 $232,721 $216,731
21052 409 168 $77,300 $106,752
21053 2,929 1,191 $89,497 $130,525
21057 4,386 1,545 $145,924 $173,348
21071 404 130 $213,500 $193,352
21074 14,777 5,889 $108,536 $129,825
21082 626 274 $145,571 $153,920

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FAQs about Baltimore County demographics 

What is the total population of Baltimore County?

Baltimore County has a total population of 1,105,543 residents, according to the latest release from the U.S. Census Bureau: the 2019-2023 American Community Survey (ACS) 5-year estimates. This figure changed by -0.1% compared to a year ago.

What is the gender ratio in Baltimore County?

The gender ratio in Baltimore County is as follows:
  • 47.3% males (522,988 residents)
  • 52.7% females (582,555 residents)

What is the median age in Baltimore County?

The median age in Baltimore County is 40.

What is the age distribution of the population in Baltimore County?

The age distribution in Baltimore County is as follows:
  • Under 15: 18% (199,167 residents)
  • Ages 15-24: 12.7% (139,939 residents)
  • Ages 25-44: 26.7% (295,630 residents)
  • Ages 45-64: 24.9% (275,333 residents)
  • Over 65: 17.7% (195,474 residents)

What is the racial and ethnic makeup of Baltimore County?

The racial and ethnic makeup of Baltimore County is as follows:
  • White: 49.3% (544,585 residents)
  • Black or African American: 34.6% (382,297 residents)
  • American Indian and Alaska Native: 0.3% (3,165 residents)
  • Asian: 5.4% (60,278 residents)
  • Native Hawaiian and Other Pacific Islander: 0% (353 residents)
  • Two or More Races: 6.4% (70,292 residents)
  • Other: 4% (44,573 residents)

What percentage of the population in Baltimore County are U.S.-born citizens?

U.S.-born citizens represent 86% of the population in Baltimore County.

How many housing units are there in Baltimore County?

There are 465,297 housing units in Baltimore County, reflecting a +0.3% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

How many households are in Baltimore County and what is the average household size?

Baltimore County has a total of 438,479 households, with an average of 3 people in each.

What is the median household income in Baltimore County?

Baltimore County has a median household income of $108,094, representing a +3.9% shift from the previous year, according to the U.S. Census Bureau.

What is the job market overview for Baltimore County?

Here’s a detailed breakdown of the local job market:

Job types:
  • White-collar workers: 83.1% (463,541 residents)
  • Blue-collar workers: 16.9% (94,522 residents)

Places of employment:
  • Self-employed: 8.1% (45,211 residents)
  • Private companies: 60.8% (339,087 residents)
  • Governmental workers: 19.4% (108,017 residents)
  • Not-for-profit companies: 11.8% (65,748 residents)

Data source & methodology

The demographic data on this page was sourced from the latest U.S. Census Bureau release—the 2019–2023 American Community Survey (ACS) 5-year estimates.

The information, issued annually, is compiled and published by the Point2Homes Research Team as soon as new data becomes available.

No representation, guarantee, or warranty is made concerning the accuracy or completeness of modified or aggregated information for particular areas.

Page last updated: September 2025