Interpretation of Demographics Data
Demographic Data Report for Maine by County
Population: Age under 18
All Races (includes Hispanic), Both Sexes
2020-2024 American Community Survey 5-Year Data
Sorted by Percent
Maine
- 2023 Rural-Urban Continuum Codes Φ : N/A
- Value (Percent) : The value is 18.1 percent.
- People (Age Under 18) : The number of people (age under 18) is 250,540.
- Rank within US : This county is ranked 50 of 52
United States
- 2023 Rural-Urban Continuum Codes Φ : N/A
- Value (Percent) : The value is 22.0 percent.
- People (Age Under 18) : The number of people (age under 18) is 73,517,834.
- Rank within US : N/A
Piscataquis County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 15.5 percent.
- People (Age Under 18) : The number of people (age under 18) is 2,677.
- Rank within US : This county is ranked 3011 of 3143
Hancock County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 16.2 percent.
- People (Age Under 18) : The number of people (age under 18) is 9,153.
- Rank within US : This county is ranked 2956 of 3143
Lincoln County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 16.5 percent.
- People (Age Under 18) : The number of people (age under 18) is 5,945.
- Rank within US : This county is ranked 2940 of 3143
Knox County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 16.8 percent.
- People (Age Under 18) : The number of people (age under 18) is 6,902.
- Rank within US : This county is ranked 2911 of 3143
Franklin County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 17.1 percent.
- People (Age Under 18) : The number of people (age under 18) is 5,201.
- Rank within US : This county is ranked 2875 of 3143
Oxford County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 17.6 percent.
- People (Age Under 18) : The number of people (age under 18) is 10,452.
- Rank within US : This county is ranked 2794 of 3143
Penobscot County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 17.6 percent.
- People (Age Under 18) : The number of people (age under 18) is 27,249.
- Rank within US : This county is ranked 2794 of 3143
Sagadahoc County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 17.6 percent.
- People (Age Under 18) : The number of people (age under 18) is 6,578.
- Rank within US : This county is ranked 2794 of 3143
Waldo County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 17.7 percent.
- People (Age Under 18) : The number of people (age under 18) is 7,124.
- Rank within US : This county is ranked 2775 of 3143
York County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 17.8 percent.
- People (Age Under 18) : The number of people (age under 18) is 38,519.
- Rank within US : This county is ranked 2756 of 3143
Cumberland County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 18.0 percent.
- People (Age Under 18) : The number of people (age under 18) is 55,706.
- Rank within US : This county is ranked 2719 of 3143
Somerset County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 18.4 percent.
- People (Age Under 18) : The number of people (age under 18) is 9,389.
- Rank within US : This county is ranked 2659 of 3143
Washington County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 18.5 percent.
- People (Age Under 18) : The number of people (age under 18) is 5,809.
- Rank within US : This county is ranked 2641 of 3143
Aroostook County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 18.7 percent.
- People (Age Under 18) : The number of people (age under 18) is 12,509.
- Rank within US : This county is ranked 2601 of 3143
Kennebec County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 18.7 percent.
- People (Age Under 18) : The number of people (age under 18) is 23,739.
- Rank within US : This county is ranked 2601 of 3143
Androscoggin County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 20.8 percent.
- People (Age Under 18) : The number of people (age under 18) is 23,588.
- Rank within US : This county is ranked 1978 of 3143
Notes:
Created by statecancerprofiles.cancer.gov on 03/23/2026 6:10 pm.
Φ Rural–urban county classifications are based on the 2023 USDA Rural–Urban Continuum Codes (except for Connecticut Counties which use 2013 codes). State-level cancer rates for rural areas are calculated using cancer cases registered exclusively in rural counties, while state-level cancer rates for urban areas are calculated using cases registered exclusively in urban counties.
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.


