# Median age on 1 July (US county estimates) 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. ## Key facts - Kalawao County had the highest median age on 1 July (US county estimates) of 3144 counties in 2025, at 70.1 years, and Lexington city the lowest, at 22.1 years. Source: the U.S. Census Bureau. - Published for 3,144 places, with figures from 2010 to 2025. - Figures last updated on 2026-10-12. - Indicator id: `median_age_pep` - Unit: years - Note: 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. - Web page: https://invokely.ai/en/median-age-july-1-us-counties - API: https://invokely.ai/api/v1/indicators/median_age_pep ## Rankings - [US counties](https://invokely.ai/rankings/median-age-july-1-us-counties/us-counties.md) (3144 places) - [Counties in Texas](https://invokely.ai/rankings/median-age-july-1-us-counties/texas-counties.md) (254 places) - [Counties in Georgia](https://invokely.ai/rankings/median-age-july-1-us-counties/georgia-counties.md) (159 places) - [Counties in Virginia](https://invokely.ai/rankings/median-age-july-1-us-counties/virginia-counties.md) (133 places) - [Counties in Kentucky](https://invokely.ai/rankings/median-age-july-1-us-counties/kentucky-counties.md) (120 places) - [Counties in Missouri](https://invokely.ai/rankings/median-age-july-1-us-counties/missouri-counties.md) (115 places) - [Counties in Kansas](https://invokely.ai/rankings/median-age-july-1-us-counties/kansas-counties.md) (105 places) - [Counties in Illinois](https://invokely.ai/rankings/median-age-july-1-us-counties/illinois-counties.md) (102 places) - [Counties in North Carolina](https://invokely.ai/rankings/median-age-july-1-us-counties/north-carolina-counties.md) (100 places) - [Counties in Iowa](https://invokely.ai/rankings/median-age-july-1-us-counties/iowa-counties.md) (99 places) - [Counties in Tennessee](https://invokely.ai/rankings/median-age-july-1-us-counties/tennessee-counties.md) (95 places) - [Counties in Nebraska](https://invokely.ai/rankings/median-age-july-1-us-counties/nebraska-counties.md) (93 places) - [Counties in Indiana](https://invokely.ai/rankings/median-age-july-1-us-counties/indiana-counties.md) (92 places) - [Counties in Ohio](https://invokely.ai/rankings/median-age-july-1-us-counties/ohio-counties.md) (88 places) - [Counties in Minnesota](https://invokely.ai/rankings/median-age-july-1-us-counties/minnesota-counties.md) (87 places) - [Counties in Michigan](https://invokely.ai/rankings/median-age-july-1-us-counties/michigan-counties.md) (83 places) - [Counties in Mississippi](https://invokely.ai/rankings/median-age-july-1-us-counties/mississippi-counties.md) (82 places) - [Counties in Oklahoma](https://invokely.ai/rankings/median-age-july-1-us-counties/oklahoma-counties.md) (77 places) - [Counties in Arkansas](https://invokely.ai/rankings/median-age-july-1-us-counties/arkansas-counties.md) (75 places) - [Counties in Wisconsin](https://invokely.ai/rankings/median-age-july-1-us-counties/wisconsin-counties.md) (72 places) - [Counties in Alabama](https://invokely.ai/rankings/median-age-july-1-us-counties/alabama-counties.md) (67 places) - [Counties in Florida](https://invokely.ai/rankings/median-age-july-1-us-counties/florida-counties.md) (67 places) - [Counties in Pennsylvania](https://invokely.ai/rankings/median-age-july-1-us-counties/pennsylvania-counties.md) (67 places) - [Counties in South Dakota](https://invokely.ai/rankings/median-age-july-1-us-counties/south-dakota-counties.md) (66 places) - [Counties in Colorado](https://invokely.ai/rankings/median-age-july-1-us-counties/colorado-counties.md) (64 places) - [Counties in Louisiana](https://invokely.ai/rankings/median-age-july-1-us-counties/louisiana-counties.md) (64 places) - [Counties in New York](https://invokely.ai/rankings/median-age-july-1-us-counties/new-york-counties.md) (62 places) - [Counties in California](https://invokely.ai/rankings/median-age-july-1-us-counties/california-counties.md) (58 places) - [Counties in Montana](https://invokely.ai/rankings/median-age-july-1-us-counties/montana-counties.md) (56 places) - [Counties in West Virginia](https://invokely.ai/rankings/median-age-july-1-us-counties/west-virginia-counties.md) (55 places) - [Counties in North Dakota](https://invokely.ai/rankings/median-age-july-1-us-counties/north-dakota-counties.md) (53 places) - [Counties in South Carolina](https://invokely.ai/rankings/median-age-july-1-us-counties/south-carolina-counties.md) (46 places) - [Counties in Idaho](https://invokely.ai/rankings/median-age-july-1-us-counties/idaho-counties.md) (44 places) - [Counties in Washington](https://invokely.ai/rankings/median-age-july-1-us-counties/washington-counties.md) (39 places) - [Counties in Oregon](https://invokely.ai/rankings/median-age-july-1-us-counties/oregon-counties.md) (36 places) - [Counties in New Mexico](https://invokely.ai/rankings/median-age-july-1-us-counties/new-mexico-counties.md) (33 places) - [Counties in Alaska](https://invokely.ai/rankings/median-age-july-1-us-counties/alaska-counties.md) (30 places) - [Counties in Utah](https://invokely.ai/rankings/median-age-july-1-us-counties/utah-counties.md) (29 places) - [Counties in Maryland](https://invokely.ai/rankings/median-age-july-1-us-counties/maryland-counties.md) (24 places) - [Counties in Wyoming](https://invokely.ai/rankings/median-age-july-1-us-counties/wyoming-counties.md) (23 places) - [Counties in New Jersey](https://invokely.ai/rankings/median-age-july-1-us-counties/new-jersey-counties.md) (21 places) - [Counties in Nevada](https://invokely.ai/rankings/median-age-july-1-us-counties/nevada-counties.md) (17 places) - [Counties in Maine](https://invokely.ai/rankings/median-age-july-1-us-counties/maine-counties.md) (16 places) - [Counties in Arizona](https://invokely.ai/rankings/median-age-july-1-us-counties/arizona-counties.md) (15 places) - [Counties in Massachusetts](https://invokely.ai/rankings/median-age-july-1-us-counties/massachusetts-counties.md) (14 places) - [Counties in Vermont](https://invokely.ai/rankings/median-age-july-1-us-counties/vermont-counties.md) (14 places) - [Counties in New Hampshire](https://invokely.ai/rankings/median-age-july-1-us-counties/new-hampshire-counties.md) (10 places) - [Counties in Connecticut](https://invokely.ai/rankings/median-age-july-1-us-counties/connecticut-counties.md) (9 places) - [Counties in Hawaii](https://invokely.ai/rankings/median-age-july-1-us-counties/hawaii-counties.md) (5 places) - [Counties in Rhode Island](https://invokely.ai/rankings/median-age-july-1-us-counties/rhode-island-counties.md) (5 places)