Data / Median age on 1 July (US county estimates) / Somerset County

Median age on 1 July (US county estimates) in Somerset County

Median age on 1 July (US county estimates) in Somerset County was 46.6 years in 2025, according to the U.S. Census Bureau. That is down 0.1 from 2024. That is the 11th highest of 16 counties in 2025.

2025, years46.6
Change on 2024-0.1
Rank11th of 16Counties in Maine ranked
Series high472020
Series low43.72010

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Median age on 1 July (US county estimates) in Somerset County, 2010 to 2025

43444546472010201320162019202220252010: 43.7 years2011: 44 years2012: 44.5 years2013: 45 years2014: 45.5 years2015: 45.9 years2016: 46.1 years2017: 46.4 years2018: 46.6 years2019: 46.8 years2020: 47 years2021: 47 years2022: 46.9 years2023: 47 years2024: 46.7 years2025: 46.6 years43444546472010201620252010: 43.7 years2011: 44 years2012: 44.5 years2013: 45 years2014: 45.5 years2015: 45.9 years2016: 46.1 years2017: 46.4 years2018: 46.6 years2019: 46.8 years2020: 47 years2021: 47 years2022: 46.9 years2023: 47 years2024: 46.7 years2025: 46.6 years
years. Source: U.S. Census Bureau, Population Estimates Program, county population by age and sex: median age (MEDIAN_AGE_TOT) on 1 July, 2010 to 2019 from the 2010 to 2020 intercensal file and 2020 onwards from the latest vintage. Retrieved 2026-10-12, published 2026-06-25.
All 16 values
Periodyears
202546.6
202446.7
202347
202246.9
202147
202047
201946.8
201846.6
201746.4
201646.1
201545.9
201445.5
201345
201244.5
201144
201043.7

Somerset County compared with nearby places

Androscoggin County: 40.4 yearsAroostook County: 48.4 yearsCumberland County: 42.7 yearsFranklin County: 47.4 yearsHancock County: 49.8 yearsKennebec County: 43.9 yearsKnox County: 50.4 yearsLincoln County: 52.9 yearsOxford County: 47.4 yearsPenobscot County: 42.2 yearsPiscataquis County: 51.4 yearsSagadahoc County: 47.5 yearsSomerset County: 46.6 yearsWaldo County: 48.4 yearsWashington County: 49.1 yearsYork County: 45.9 years
  • Under 44
  • 44 to 47
  • 47 to 48
  • 48 to 50
  • 50 and over
Median age on 1 July (US county estimates), 2025, years. Somerset 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

Age that divides the resident population of a US county into two halves of equal size on 1 July, from Census Bureau population estimates calculated by single year of age.

Counties only: the county file has no state or national medians, and medians cannot be added up. A single-year estimate, unlike median_age, which for US places is a five-year American Community Survey estimate.

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How to cite

U.S. Census Bureau. Population Estimates Program, county population by age and sex: median age (MEDIAN_AGE_TOT) on 1 July, 2010 to 2019 from the 2010 to 2020 intercensal file and 2020 onwards from the latest vintage. 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: median age (MEDIAN_AGE_TOT) on 1 July, 2010 to 2019 from the 2010 to 2020 intercensal file and 2020 onwards from the latest vintage (Median age on 1 July (US county estimates), Somerset 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: median age (MEDIAN_AGE_TOT) on 1 July, 2010 to 2019 from the 2010 to 2020 intercensal file and 2020 onwards from the latest vintage, Median age on 1 July (US county estimates), Somerset 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/median-age-july-1-us-counties/somerset-county-maine. Accessed 12 Oct. 2026.

Chicago (author-date)

U.S. Census Bureau. 2026. Population Estimates Program, county population by age and sex: median age (MEDIAN_AGE_TOT) on 1 July, 2010 to 2019 from the 2010 to 2020 intercensal file and 2020 onwards from the latest vintage. Median age on 1 July (US county estimates), Somerset 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/median-age-july-1-us-counties/somerset-county-maine.

Harvard

U.S. Census Bureau (2026) Population Estimates Program, county population by age and sex: median age (MEDIAN_AGE_TOT) on 1 July, 2010 to 2019 from the 2010 to 2020 intercensal file and 2020 onwards from the latest vintage, Median age on 1 July (US county estimates), Somerset County, 2010 to 2025 [Dataset]. Available at: https://www.census.gov/programs-surveys/popest/data/data-sets.html, via Invokely: https://invokely.ai/en/median-age-july-1-us-counties/somerset-county-maine (Accessed: 12 October 2026).

BibTeX
@misc{census_median_age_on_1_2025,
  author = {{U.S. Census Bureau}},
  title = {{Population Estimates Program, county population by age and sex: median age (MEDIAN\_AGE\_TOT) on 1 July, 2010 to 2019 from the 2010 to 2020 intercensal file and 2020 onwards from the latest vintage: Median age on 1 July (US county estimates), Somerset 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/median-age-july-1-us-counties/somerset-county-maine. Publisher attribution: U.S. Census Bureau. Population Estimates Program, county population by age and sex: median age (MEDIAN\_AGE\_TOT) on 1 July, 2010 to 2019 from the 2010 to 2020 intercensal file and 2020 onwards from the latest vintage. 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: median age (MEDIAN_AGE_TOT) on 1 July, 2010 to 2019 from the 2010 to 2020 intercensal file and 2020 onwards from the latest vintage: Median age on 1 July (US county estimates), Somerset 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/median-age-july-1-us-counties/somerset-county-maine
Y2  - 2026/10/12
N1  - Accessed via Invokely, https://invokely.ai/en/median-age-july-1-us-counties/somerset-county-maine.
N1  - Publisher attribution: U.S. Census Bureau. Population Estimates Program, county population by age and sex: median age (MEDIAN_AGE_TOT) on 1 July, 2010 to 2019 from the 2010 to 2020 intercensal file and 2020 onwards from the latest vintage. https://www.census.gov/programs-surveys/popest/data/data-sets.html. Retrieved 2026-10-12.
ER  -
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Questions

What is the median age on 1 July (US county estimates) in Somerset County?

Median age on 1 July (US county estimates) in Somerset County was 46.6 years in 2025, according to the U.S. Census Bureau. That is down 0.1 from 2024. That is the 11th highest of 16 counties in 2025.

Where does this figure come from?

U.S. Census Bureau. Population Estimates Program, county population by age and sex: median age (MEDIAN_AGE_TOT) on 1 July, 2010 to 2019 from the 2010 to 2020 intercensal file and 2020 onwards from the latest vintage. Retrieved by Invokely on 2026-10-12.

What was the highest median age on 1 July (US county estimates) in Somerset County?

47 years in 2020, the highest value since 2010 in this series.

Related statistics for Somerset County

All statistics for Somerset County | Somerset County in figures