10th most populous of 24
With 174,478 residents in 2024, Charles County ranks 10th by population among Maryland's 24 counties and is home to 2.8% of the state's residents.

Charles County has the 3rd fastest real GDP growth in 2024 in Maryland (+5.7%) and the 4th highest homeownership rate (82.1%).
Charles County is home to 174,478 people (2024 estimate) on 458 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.
Pick an indicator to see its long-run evolution.
U.S. Census Bureau: intercensal estimates 2000–2009, Vintage 2020 (2010–2019) and Vintage 2024 (2020–2024), July 1.
| Indicator | Value | Year and source |
|---|---|---|
| Population estimate | 174,478 | 2024 · U.S. Census Bureau |
| Population, 2010 Census | 146,551 | 2010 · U.S. Census Bureau |
| Population, 2000 | 121,229 | July 1, 2000 · Census intercensal |
| Change since 2000 | +43.9% | 2000–2024 · Census |
| International migration | +588 | 2024 · Census Vintage 2024 |
| Domestic migration | +1,492 | 2024 · Census Vintage 2024 |
| Birth rate | 8.8 per 1,000 | 2024 · calculated |
| Death rate | 8.0 per 1,000 | 2024 · calculated |
| Population rank in Maryland | 10th of 24 | 2024 · calculated |
| Per capita personal income | $70,211 | BEA, 2024 · official |
| Gross domestic product | $8.7 billion | BEA, current dollars, 2024 · official |
| Median household income | $122,816 | ACS 2020–2024 5-year · official |
| Poverty rate | 6.9% | ACS 2020–2024 5-year · official |
| Bachelor’s degree or higher | 33.5% | Age 25+, ACS 2020–2024 5-year · official |
| Foreign-born residents | 8.5% | ACS 2020–2024 5-year · official |
| Median home value | $428,500 | ACS 2020–2024 5-year · official |
| Median gross rent | $1,920/month | ACS 2020–2024 5-year · official |
| Median age | 38.9 years | ACS 2020–2024 5-year · official |
| Households | 60,875 | ACS 2020–2024 5-year · official |
| Owner-occupied homes | 82.1% | ACS 2020–2024 5-year · official |
Comparable indicators for Charles County, Maryland and the United States.
| Indicator | County | Maryland | U.S. | Reference |
|---|---|---|---|---|
| Population change 2020–2024 | +4.7% | +1.3% | +2.6% | Census Vintage 2024 |
| Birth rate (per 1,000) | 8.8 | 10.5 | 10.6 | 2024 |
| Death rate (per 1,000) | 8.0 | 8.6 | 9.1 | 2024 |
| Net migration rate (per 1,000) | 11.9 | 5.5 | 8.2 | 2024 |
| Population density (/mi²) | 381.1 | 645.0 | 96.3 | 2024 |
| Per capita personal income | $70,211 | $79,259 | $73,204 | BEA, 2024 |
| Median household income | $122,816 | $103,678 | $80,734 | ACS 2020–2024 5-year |
| Poverty rate | 6.9% | 9.4% | 12.5% | ACS 2020–2024 5-year |
| Bachelor’s degree or higher | 33.5% | 43.4% | 35.7% | Age 25+, ACS 2020–2024 5-year |
| Foreign-born residents | 8.5% | 16.6% | 14.1% | ACS 2020–2024 5-year |
| Median home value | $428,500 | $419,900 | $332,700 | ACS 2020–2024 5-year |
| Median gross rent | $1,920/month | $1,705/month | $1,413/month | ACS 2020–2024 5-year |
| Median age | 38.9 years | 39.4 years | 38.9 years | ACS 2020–2024 5-year |
| Owner-occupied homes | 82.1% | 67.6% | 65.2% | ACS 2020–2024 5-year |
With 174,478 residents in 2024, Charles County ranks 10th by population among Maryland's 24 counties and is home to 2.8% of the state's residents.
Its population went from 121,229 in 2000 to 174,478 in 2024, a change of +43.9%, compared with +17.9% for Maryland as a whole.
In the year to July 2024 the county recorded 1,539 births and 1,392 deaths, so births outnumbered deaths by 147.
Annual Census estimates since 2000 put the county's highest population in 2024, at 174,478.
Charles County has about 381.1 residents per square mile of land, ranking 11th of 24 counties; Maryland averages 645.0.
With a median household income of $122,816 (ACS 2020–2024 5-year), the county ranks 5th of 24 Maryland counties; the state median is $103,678.
Its economy produced $8.7 billion of GDP in 2024 (BEA), 12th largest among 24 Maryland counties.
Real GDP grew 5.7% in 2024, adjusted for inflation (BEA, chained 2017 dollars).