Median age by county

Every US county shaded by median age — drag the year slider or press ▶ to animate 2010–2023. Colors use one pooled quantile scale across all years, so shades are comparable over time. Click a county for its value and that year's national rank. Grey = no estimate. 3,222 of 3,235 counties have 2023 data.
2023
2023 Median age: extremes

Highest 20

    Lowest 20

      Median age
      Generated by Facetwork workflow census.workflows.BuildCountyTimeMapsUS(metric=median_age, start_year=2010, end_year=2023) · view FFL · source repo · generated 2026-07-14 19:21 UTC