3rd most populous of 24
With 852,425 residents in 2024, Baltimore County ranks 3rd by population among Maryland's 24 counties and is home to 13.6% of the state's residents.
Baltimore County is home to 852,425 people (2024 estimate) on 598 square miles of land. This page brings together official U.S. Census Bureau population estimates since 2000, the components of change—births, deaths and migration—American Community Survey indicators on income, housing, poverty and education, BEA economic accounts and BLS unemployment.
Key indicators
Population
852,425
July 1, 2024 estimate
2020 Census base
854,524
April 1, 2020
Change since 2020
−0.2%
2020–2024
Land area
598 mi²
1,550 km²
Population density
1,424.6 /mi²
2024 estimate ÷ land area
Births
9,082
Year to July 1, 2024
Deaths
8,731
Year to July 1, 2024
Natural change
+351
Births minus deaths, 2024
Net migration
+3,376
Domestic + international, 2024
Per capita personal income
$78,953
BEA, 2024
Gross domestic product
$73.1 billion
BEA, current dollars, 2024
Median household income
$91,768
ACS 2020–2024 5-year
Poverty rate
9.8%
ACS 2020–2024 5-year
Bachelor’s degree or higher
42.3%
Age 25+, ACS 2020–2024 5-year
Foreign-born residents
13.2%
ACS 2020–2024 5-year
Median home value
$349,300
ACS 2020–2024 5-year
Unemployment rate
3.3%
BLS annual average, 2024
Historical data
Pick an indicator to see its long-run evolution.
Population
2000–2024852,425▲ 13%
U.S. Census Bureau: intercensal estimates 2000–2009, Vintage 2020 (2010–2019) and Vintage 2024 (2020–2024), July 1.
Data summary
| Indicator | Value | Year and source |
|---|---|---|
| Population estimate | 852,425 | 2024 · U.S. Census Bureau |
| Population, 2010 Census | 805,029 | 2010 · U.S. Census Bureau |
| Population, 2000 | 755,598 | July 1, 2000 · Census intercensal |
| Change since 2000 | +12.8% | 2000–2024 · Census |
| International migration | +6,257 | 2024 · Census Vintage 2024 |
| Domestic migration | −2,881 | 2024 · Census Vintage 2024 |
| Birth rate | 10.7 per 1,000 | 2024 · calculated |
| Death rate | 10.2 per 1,000 | 2024 · calculated |
| Population rank in Maryland | 3rd of 24 | 2024 · calculated |
| Per capita personal income | $78,953 | BEA, 2024 · official |
| Gross domestic product | $73.1 billion | BEA, current dollars, 2024 · official |
| Median household income | $91,768 | ACS 2020–2024 5-year · official |
| Poverty rate | 9.8% | ACS 2020–2024 5-year · official |
| Bachelor’s degree or higher | 42.3% | Age 25+, ACS 2020–2024 5-year · official |
| Foreign-born residents | 13.2% | ACS 2020–2024 5-year · official |
| Median home value | $349,300 | ACS 2020–2024 5-year · official |
| Median gross rent | $1,627/month | ACS 2020–2024 5-year · official |
| Median age | 39.7 years | ACS 2020–2024 5-year · official |
| Households | 332,801 | ACS 2020–2024 5-year · official |
| Owner-occupied homes | 66.4% | ACS 2020–2024 5-year · official |
Baltimore County in context
Comparable indicators for Baltimore County, Maryland and the United States.
| Indicator | County | Maryland | U.S. | Reference |
|---|---|---|---|---|
| Population change 2020–2024 | −0.2% | +1.3% | +2.6% | Census Vintage 2024 |
| Birth rate (per 1,000) | 10.7 | 10.5 | 10.6 | 2024 |
| Death rate (per 1,000) | 10.2 | 8.6 | 9.1 | 2024 |
| Net migration rate (per 1,000) | 4.0 | 5.5 | 8.2 | 2024 |
| Population density (/mi²) | 1424.6 | 645.0 | 96.3 | 2024 |
| Per capita personal income | $78,953 | $79,259 | $73,204 | BEA, 2024 |
| Median household income | $91,768 | $103,678 | $80,734 | ACS 2020–2024 5-year |
| Poverty rate | 9.8% | 9.4% | 12.5% | ACS 2020–2024 5-year |
| Bachelor’s degree or higher | 42.3% | 43.4% | 35.7% | Age 25+, ACS 2020–2024 5-year |
| Foreign-born residents | 13.2% | 16.6% | 14.1% | ACS 2020–2024 5-year |
| Median home value | $349,300 | $419,900 | $332,700 | ACS 2020–2024 5-year |
| Median gross rent | $1,627/month | $1,705/month | $1,413/month | ACS 2020–2024 5-year |
| Median age | 39.7 years | 39.4 years | 38.9 years | ACS 2020–2024 5-year |
| Owner-occupied homes | 66.4% | 67.6% | 65.2% | ACS 2020–2024 5-year |
Cities & towns
2 cities · choose how to order them
Did you know? Baltimore County
A quarter century of change
Its population went from 755,598 in 2000 to 852,425 in 2024, a change of +12.8%, compared with +17.9% for Maryland as a whole.
Births and deaths
In the year to July 2024 the county recorded 9,082 births and 8,731 deaths, so births outnumbered deaths by 351.
Peak population in 2020
Annual Census estimates since 2000 put the county's highest population at 853,338 in 2020. The 2024 figure is 913 lower.
5th in density
Baltimore County has about 1424.6 residents per square mile of land, ranking 5th of 24 counties; Maryland averages 645.0.
Household income rank
With a median household income of $91,768 (ACS 2020–2024 5-year), the county ranks 13th of 24 Maryland counties; the state median is $103,678.
Size of the economy
Its economy produced $73.1 billion of GDP in 2024 (BEA), 2nd largest among 24 Maryland counties.
Latest economic growth
Real GDP grew 2.9% in 2024, adjusted for inflation (BEA, chained 2017 dollars).
Sources and methodology
- U.S. Census Bureau — County population totals and components, Vintage 2024
- U.S. Census Bureau — County estimates 2010–2020
- U.S. Census Bureau — Intercensal estimates 2000–2010
- U.S. Census Bureau — Gazetteer files (land area)
- U.S. Census Bureau — American Community Survey 2020–2024 5-year
- U.S. Bureau of Economic Analysis — Regional economic accounts
- U.S. Bureau of Labor Statistics — LAUS