Interpretation of Demographics Data
Demographic Data Report for Maryland by County
Population: Age under 18
All Races (includes Hispanic), Both Sexes
2019-2023 American Community Survey 5-Year Data
Sorted by Value
Maryland
- 2023 Rural-Urban Continuum Codes Φ : N/A
- Value (Percent) : The value is 22.3 percent.
- People (Age Under 18) : The number of people (age under 18) is 1,375,936.
- Rank within US : This state is ranked 20 of 52
United States
- 2023 Rural-Urban Continuum Codes Φ : N/A
- Value (Percent) : The value is 22.2 percent.
- People (Age Under 18) : The number of people (age under 18) is 73,645,238.
- Rank within US : N/A
Charles County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 24.0 percent.
- People (Age Under 18) : The number of people (age under 18) is 40,477.
- Rank within US : This county is ranked 718 of 3143
Howard County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 24.0 percent.
- People (Age Under 18) : The number of people (age under 18) is 80,273.
- Rank within US : This county is ranked 718 of 3143
St. Marys County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 24.0 percent.
- People (Age Under 18) : The number of people (age under 18) is 27,499.
- Rank within US : This county is ranked 718 of 3143
Caroline County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 23.7 percent.
- People (Age Under 18) : The number of people (age under 18) is 7,926.
- Rank within US : This county is ranked 823 of 3143
Frederick County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 23.4 percent.
- People (Age Under 18) : The number of people (age under 18) is 65,575.
- Rank within US : This county is ranked 947 of 3143
Calvert County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 23.2 percent.
- People (Age Under 18) : The number of people (age under 18) is 21,786.
- Rank within US : This county is ranked 1042 of 3143
Montgomery County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 22.9 percent.
- People (Age Under 18) : The number of people (age under 18) is 242,703.
- Rank within US : This county is ranked 1173 of 3143
Anne Arundel County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 22.7 percent.
- People (Age Under 18) : The number of people (age under 18) is 133,885.
- Rank within US : This county is ranked 1250 of 3143
Wicomico County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 22.5 percent.
- People (Age Under 18) : The number of people (age under 18) is 23,435.
- Rank within US : This county is ranked 1340 of 3143
Cecil County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 22.4 percent.
- People (Age Under 18) : The number of people (age under 18) is 23,376.
- Rank within US : This county is ranked 1385 of 3143
Harford County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 22.4 percent.
- People (Age Under 18) : The number of people (age under 18) is 58,790.
- Rank within US : This county is ranked 1385 of 3143
Prince Georges County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 22.2 percent.
- People (Age Under 18) : The number of people (age under 18) is 212,476.
- Rank within US : This county is ranked 1469 of 3143
Carroll County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 22.0 percent.
- People (Age Under 18) : The number of people (age under 18) is 38,366.
- Rank within US : This county is ranked 1567 of 3143
Baltimore County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 21.9 percent.
- People (Age Under 18) : The number of people (age under 18) is 186,425.
- Rank within US : This county is ranked 1606 of 3143
Washington County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 21.9 percent.
- People (Age Under 18) : The number of people (age under 18) is 33,904.
- Rank within US : This county is ranked 1606 of 3143
Queen Annes County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 21.3 percent.
- People (Age Under 18) : The number of people (age under 18) is 10,848.
- Rank within US : This county is ranked 1876 of 3143
Dorchester County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 21.2 percent.
- People (Age Under 18) : The number of people (age under 18) is 6,898.
- Rank within US : This county is ranked 1907 of 3143
Baltimore City
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 20.9 percent.
- People (Age Under 18) : The number of people (age under 18) is 120,494.
- Rank within US : This county is ranked 2008 of 3143
Talbot County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 18.8 percent.
- People (Age Under 18) : The number of people (age under 18) is 7,071.
- Rank within US : This county is ranked 2608 of 3143
Garrett County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 17.9 percent.
- People (Age Under 18) : The number of people (age under 18) is 5,143.
- Rank within US : This county is ranked 2778 of 3143
Allegany County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 17.8 percent.
- People (Age Under 18) : The number of people (age under 18) is 12,056.
- Rank within US : This county is ranked 2803 of 3143
Somerset County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 17.5 percent.
- People (Age Under 18) : The number of people (age under 18) is 4,311.
- Rank within US : This county is ranked 2844 of 3143
Worcester County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 17.3 percent.
- People (Age Under 18) : The number of people (age under 18) is 9,206.
- Rank within US : This county is ranked 2869 of 3143
Kent County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 15.6 percent.
- People (Age Under 18) : The number of people (age under 18) is 3,013.
- Rank within US : This county is ranked 3026 of 3143
Notes:
Created by statecancerprofiles.cancer.gov on 04/28/2025 4:06 pm.
Φ Rural-Urban Continuum Codes provided by the USDA.
Source: Demographic data provided by the Census Bureau and the American Community Survey.
For more information about Population: Age under 18, see the dictionary.
Data for United States does not include Puerto Rico.