Data / Population under 18 / Copiah County

Population under 18 in Copiah County

Population under 18 in Copiah County was 21.6% in 2025, according to the U.S. Census Bureau. That is down 0.1 pts from 2024. That is the 55th highest of 82 counties in 2025.

202521.6%
Change on 2024-0.1 pts
Rank55th of 82Counties in Mississippi ranked
Series high24.92010
Series low21.62025

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 Copiah County, 2010 to 2025

21222324252010201320162019202220252010: 24.9 %2011: 24.5 %2012: 24.2 %2013: 23.9 %2014: 23.5 %2015: 23.4 %2016: 23.3 %2017: 23.2 %2018: 22.9 %2019: 22.5 %2020: 22.4 %2021: 22.1 %2022: 22.1 %2023: 22 %2024: 21.7 %2025: 21.6 %21222324252010201620252010: 24.9 %2011: 24.5 %2012: 24.2 %2013: 23.9 %2014: 23.5 %2015: 23.4 %2016: 23.3 %2017: 23.2 %2018: 22.9 %2019: 22.5 %2020: 22.4 %2021: 22.1 %2022: 22.1 %2023: 22 %2024: 21.7 %2025: 21.6 %
%. Source: Invokely calculation with data from U.S. Census Bureau. Retrieved 2026-10-12, published 2026-06-25.
All 16 values
Period%
202521.6
202421.7
202322
202222.1
202122.1
202022.4
201922.5
201822.9
201723.2
201623.3
201523.4
201423.5
201323.9
201224.2
201124.5
201024.9

Compared with Mississippi and United States

Place2025
Copiah County21.6
Mississippi22.3
United States21.1

Copiah County compared with nearby places

Adams County: 17.5 %Alcorn County: 22.1 %Amite County: 18.9 %Attala County: 24.4 %Benton County: 20.6 %Bolivar County: 22.1 %Calhoun County: 21.3 %Carroll County: 16.2 %Chickasaw County: 23.6 %Choctaw County: 20.2 %Claiborne County: 21.6 %Clarke County: 21.9 %Clay County: 21.3 %Coahoma County: 24.7 %Copiah County: 21.6 %Covington County: 22.9 %DeSoto County: 24.1 %Forrest County: 21.6 %Franklin County: 21.5 %George County: 25.8 %Greene County: 18.8 %Grenada County: 22.5 %Hancock County: 19.4 %Harrison County: 22.4 %Hinds County: 22 %Holmes County: 22.5 %Humphreys County: 22.7 %Issaquena County: 9.5 %Itawamba County: 17.8 %Jackson County: 22.1 %Jasper County: 22 %Jefferson County: 21.8 %Jefferson Davis County: 20.3 %Jones County: 23.6 %Kemper County: 17.7 %Lafayette County: 17.2 %Lamar County: 23.4 %Lauderdale County: 22.8 %Lawrence County: 23.4 %Leake County: 24.6 %Lee County: 23.8 %Leflore County: 24.4 %Lincoln County: 23.5 %Lowndes County: 22.9 %Madison County: 23.1 %Marion County: 22.2 %Marshall County: 20.1 %Monroe County: 21.7 %Montgomery County: 20.8 %Neshoba County: 26.3 %Newton County: 23.7 %Noxubee County: 24.1 %Oktibbeha County: 16.8 %Panola County: 23.9 %Pearl River County: 22.4 %Perry County: 21.5 %Pike County: 23.4 %Pontotoc County: 25 %Prentiss County: 22.1 %Quitman County: 22.3 %Rankin County: 21.8 %Scott County: 27.6 %Sharkey County: 23.1 %Simpson County: 22.4 %Smith County: 23.5 %Stone County: 20.4 %Sunflower County: 18.7 %Tallahatchie County: 19.7 %Tate County: 21.5 %Tippah County: 22.7 %Tishomingo County: 20.6 %Tunica County: 25.5 %Union County: 23.6 %Walthall County: 22.2 %Warren County: 22.6 %Washington County: 24.1 %Wayne County: 24.6 %Webster County: 23.9 %Wilkinson County: 17 %Winston County: 21.6 %Yalobusha County: 20.3 %Yazoo County: 21.9 %
  • Under 20
  • 20 to 22
  • 22 to 23
  • 23 to 24
  • 24 and over
Population under 18, 2025, %. Copiah 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, Copiah 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, Copiah 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/copiah-county-mississippi. 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, Copiah 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/copiah-county-mississippi.

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, Copiah 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/copiah-county-mississippi (Accessed: 12 October 2026).

BibTeX
@misc{census_population_under_18_copiah_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, Copiah 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/copiah-county-mississippi. 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, Copiah 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/copiah-county-mississippi
Y2  - 2026/10/12
N1  - Accessed via Invokely, https://invokely.ai/en/population-under-18/copiah-county-mississippi.
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 Copiah County?

Population under 18 in Copiah County was 21.6% in 2025, according to the U.S. Census Bureau. That is down 0.1 pts from 2024. That is the 55th highest of 82 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 Copiah County?

24.9% in 2010, the highest value since 2010 in this series.

Related statistics for Copiah County

All statistics for Copiah County | Copiah County in figures