Data / Population under 18 / Marshall County

Population under 18 in Marshall County

Population under 18 in Marshall County was 18.4% in 2025, according to the U.S. Census Bureau. That is down 0.2 pts from 2024. That is the 39th highest of 55 counties in 2025.

202518.4%
Change on 2024-0.2 pts
Rank39th of 55Counties in West Virginia ranked
Series high20.72010
Series low18.42025

Next release: Friday, 25 June 2027, estimated by Invokely from past publication dates (low confidence), not announced by the publisher. Release calendar

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Population under 18 in Marshall County, 2010 to 2025

1818.51919.52020.5212010201320162019202220252010: 20.7 %2011: 20.5 %2012: 20.3 %2013: 20.3 %2014: 20.2 %2015: 20 %2016: 20 %2017: 19.8 %2018: 19.5 %2019: 19.4 %2020: 19.1 %2021: 18.9 %2022: 18.9 %2023: 18.7 %2024: 18.6 %2025: 18.4 %181920212010201620252010: 20.7 %2011: 20.5 %2012: 20.3 %2013: 20.3 %2014: 20.2 %2015: 20 %2016: 20 %2017: 19.8 %2018: 19.5 %2019: 19.4 %2020: 19.1 %2021: 18.9 %2022: 18.9 %2023: 18.7 %2024: 18.6 %2025: 18.4 %
%. Source: Invokely calculation with data from U.S. Census Bureau. Retrieved 2026-10-12, published 2026-06-25.
All 16 values
Period%
202518.4
202418.6
202318.7
202218.9
202118.9
202019.1
201919.4
201819.5
201719.8
201620
201520
201420.2
201320.3
201220.3
201120.5
201020.7

Compared with West Virginia and United States

Place2025
Marshall County18.4
West Virginia19.5
United States21.1

Marshall County compared with nearby places

Barbour County: 20.5 %Berkeley County: 22.8 %Boone County: 20 %Braxton County: 17.9 %Brooke County: 16.2 %Cabell County: 19 %Calhoun County: 19.6 %Clay County: 21.3 %Doddridge County: 16.9 %Fayette County: 19.9 %Gilmer County: 15.2 %Grant County: 19.6 %Greenbrier County: 18.6 %Hampshire County: 18.8 %Hancock County: 17.5 %Hardy County: 19.4 %Harrison County: 20.6 %Jackson County: 21.5 %Jefferson County: 20.3 %Kanawha County: 18.9 %Lewis County: 20.4 %Lincoln County: 21.1 %Logan County: 20.2 %McDowell County: 17.7 %Marion County: 19.3 %Marshall County: 18.4 %Mason County: 20.4 %Mercer County: 20.7 %Mineral County: 20.3 %Mingo County: 21.5 %Monongalia County: 16 %Monroe County: 20.3 %Morgan County: 16.9 %Nicholas County: 19 %Ohio County: 18.2 %Pendleton County: 17.6 %Pleasants County: 17.9 %Pocahontas County: 17.6 %Preston County: 18.1 %Putnam County: 20.4 %Raleigh County: 20.3 %Randolph County: 18.2 %Ritchie County: 19.1 %Roane County: 18.4 %Summers County: 16.5 %Taylor County: 18.8 %Tucker County: 17 %Tyler County: 20.4 %Upshur County: 20 %Wayne County: 20.5 %Webster County: 18.6 %Wetzel County: 20.9 %Wirt County: 20.4 %Wood County: 20 %Wyoming County: 19.8 %
  • Under 18
  • 18 to 19
  • 19 to 20
  • 20 and over
Population under 18, 2025, %. Marshall County is outlined. Same source and period for every area shown. Source: U.S. Census Bureau. Boundaries: U.S. Census Bureau cartographic boundary files.

Rankings

Definition

Residents aged 0 to 17 as a percentage of total population on 1 July. United States: Census Bureau county population estimates by age; states and the nation are sums of their counties.

Uses the US age of majority. Not comparable with population_0_14_share, which stops at 14.

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How to cite

U.S. Census Bureau. Population Estimates Program, county population by age and sex: residents aged 0 to 17 as a percentage of the total on 1 July, 2010 to 2019 from the 2010 to 2020 intercensal file and 2020 onwards from the latest vintage; states and the nation summed from counties. https://www.census.gov/programs-surveys/popest/data/data-sets.html. Retrieved 2026-10-12.

Citation styles

The publisher is the author. Invokely is named only as the place the figures were read, where a style asks for it.

APA 7

U.S. Census Bureau. (2026). Population Estimates Program, county population by age and sex: residents aged 0 to 17 as a percentage of the total on 1 July, 2010 to 2019 from the 2010 to 2020 intercensal file and 2020 onwards from the latest vintage; states and the nation summed from counties (Population under 18, Marshall County, 2010 to 2025) [Data set]. Retrieved October 12, 2026, from https://www.census.gov/programs-surveys/popest/data/data-sets.html

MLA 9

Population Estimates Program, county population by age and sex: residents aged 0 to 17 as a percentage of the total on 1 July, 2010 to 2019 from the 2010 to 2020 intercensal file and 2020 onwards from the latest vintage; states and the nation summed from counties, Population under 18, Marshall County, 2010 to 2025. U.S. Census Bureau, 25 June 2026, https://www.census.gov/programs-surveys/popest/data/data-sets.html. Invokely, https://invokely.ai/en/population-under-18/marshall-county-west-virginia. Accessed 12 Oct. 2026.

Chicago (author-date)

U.S. Census Bureau. 2026. Population Estimates Program, county population by age and sex: residents aged 0 to 17 as a percentage of the total on 1 July, 2010 to 2019 from the 2010 to 2020 intercensal file and 2020 onwards from the latest vintage; states and the nation summed from counties. Population under 18, Marshall County, 2010 to 2025. Dataset. Accessed October 12, 2026. https://www.census.gov/programs-surveys/popest/data/data-sets.html. Also distributed by Invokely, https://invokely.ai/en/population-under-18/marshall-county-west-virginia.

Harvard

U.S. Census Bureau (2026) Population Estimates Program, county population by age and sex: residents aged 0 to 17 as a percentage of the total on 1 July, 2010 to 2019 from the 2010 to 2020 intercensal file and 2020 onwards from the latest vintage; states and the nation summed from counties, Population under 18, Marshall County, 2010 to 2025 [Dataset]. Available at: https://www.census.gov/programs-surveys/popest/data/data-sets.html, via Invokely: https://invokely.ai/en/population-under-18/marshall-county-west-virginia (Accessed: 12 October 2026).

BibTeX
@misc{census_population_under_18_marshall_2025,
  author = {{U.S. Census Bureau}},
  title = {{Population Estimates Program, county population by age and sex: residents aged 0 to 17 as a percentage of the total on 1 July, 2010 to 2019 from the 2010 to 2020 intercensal file and 2020 onwards from the latest vintage; states and the nation summed from counties: Population under 18, Marshall County, 2010 to 2025}},
  year = {2026},
  howpublished = {Data set},
  url = {https://www.census.gov/programs-surveys/popest/data/data-sets.html},
  urldate = {2026-10-12},
  note = {Accessed via Invokely, https://invokely.ai/en/population-under-18/marshall-county-west-virginia. Publisher attribution: U.S. Census Bureau. Population Estimates Program, county population by age and sex: residents aged 0 to 17 as a percentage of the total on 1 July, 2010 to 2019 from the 2010 to 2020 intercensal file and 2020 onwards from the latest vintage; states and the nation summed from counties. https://www.census.gov/programs-surveys/popest/data/data-sets.html. Retrieved 2026-10-12.},
}
RIS
TY  - DATA
AU  - U.S. Census Bureau
TI  - Population Estimates Program, county population by age and sex: residents aged 0 to 17 as a percentage of the total on 1 July, 2010 to 2019 from the 2010 to 2020 intercensal file and 2020 onwards from the latest vintage; states and the nation summed from counties: Population under 18, Marshall County, 2010 to 2025
PY  - 2026
DA  - 2026/06/25
PB  - U.S. Census Bureau
DB  - Invokely
UR  - https://www.census.gov/programs-surveys/popest/data/data-sets.html
L2  - https://invokely.ai/en/population-under-18/marshall-county-west-virginia
Y2  - 2026/10/12
N1  - Accessed via Invokely, https://invokely.ai/en/population-under-18/marshall-county-west-virginia.
N1  - Publisher attribution: U.S. Census Bureau. Population Estimates Program, county population by age and sex: residents aged 0 to 17 as a percentage of the total on 1 July, 2010 to 2019 from the 2010 to 2020 intercensal file and 2020 onwards from the latest vintage; states and the nation summed from counties. https://www.census.gov/programs-surveys/popest/data/data-sets.html. Retrieved 2026-10-12.
ER  -
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Questions

What is the population under 18 in Marshall County?

Population under 18 in Marshall County was 18.4% in 2025, according to the U.S. Census Bureau. That is down 0.2 pts from 2024. That is the 39th highest of 55 counties in 2025.

Where does this figure come from?

U.S. Census Bureau. Population Estimates Program, county population by age and sex: residents aged 0 to 17 as a percentage of the total on 1 July, 2010 to 2019 from the 2010 to 2020 intercensal file and 2020 onwards from the latest vintage; states and the nation summed from counties. Retrieved by Invokely on 2026-10-12.

What was the highest population under 18 in Marshall County?

20.7% in 2010, the highest value since 2010 in this series.

Related statistics for Marshall County

All statistics for Marshall County | Marshall County in figures