County Maps US

The oldest counties in the United States by median age

Loving County, Texas 86.2

Which US county has the oldest population?

What this list shows

  • 3,144 of the 3,144 US counties and county-equivalents have a published figure for median age.
  • Texas accounts for 10 of the top 100, ahead of Florida with 8 and Michigan with 8.

The top 100

The oldest counties in the United States by median age. Sortable on any column.
RankCountyStateTypeMedian age
1Loving CountyTexasCounty86.2
2Sumter CountyFloridaCounty68.5
3Catron CountyNew MexicoCounty63.8
4La Paz CountyArizonaCounty60.2
5Custer CountyIdahoCounty60.0
6Alcona CountyMichiganCounty60.0
7Kent CountyTexasCounty60.0
8Charlotte CountyFloridaCounty59.9
9Terrell CountyTexasCounty59.9
10Ontonagon CountyMichiganCounty59.8
11Jefferson CountyWashingtonCounty59.8
12McCormick CountySouth CarolinaCounty59.5
13Menard CountyTexasCounty59.5
14Real CountyTexasCounty59.5
15Northumberland CountyVirginiaCounty59.5
16Wheeler CountyOregonCounty59.3
17Quitman CountyGeorgiaCounty58.4
18Meagher CountyMontanaCounty58.3
19Custer CountyColoradoCounty58.2
20Lancaster CountyVirginiaCounty58.2
21Hamilton CountyNew YorkCounty58.1
22Jeff Davis CountyTexasCounty58.0
23Prairie CountyMontanaCounty57.8
24Roscommon CountyMichiganCounty57.7
25Curry CountyOregonCounty57.7
26Sierra CountyNew MexicoCounty57.6
27Custer CountySouth DakotaCounty57.6
28Blaine CountyNebraskaCounty57.5
29Sarasota CountyFloridaCounty57.4
30Towns CountyGeorgiaCounty57.4
31Llano CountyTexasCounty57.4
32Keweenaw CountyMichiganCounty57.1
33San Juan CountyWashingtonCounty57.0
34Citrus CountyFloridaCounty56.9
35Montmorency CountyMichiganCounty56.9
36Aitkin CountyMinnesotaCounty56.9
37Carter CountyMontanaCounty56.9
38Dolores CountyColoradoCounty56.7
39Highland CountyVirginiaCounty56.5
40Mineral CountyColoradoCounty56.4
41Brunswick CountyNorth CarolinaCounty56.4
42Presque Isle CountyMichiganCounty56.1
43Iron CountyWisconsinCounty56.1
44Burnett CountyWisconsinCounty56.0
45Union CountyGeorgiaCounty55.9
46Leelanau CountyMichiganCounty55.9
47Sullivan CountyPennsylvaniaCounty55.9
48Adams CountyWisconsinCounty55.7
49Vilas CountyWisconsinCounty55.7
50Middlesex CountyVirginiaCounty55.5
51Ouray CountyColoradoCounty55.4
52Barnstable CountyMassachusettsCounty55.4
53Huerfano CountyColoradoCounty55.3
54Indian River CountyFloridaCounty55.3
55Fall River CountySouth DakotaCounty55.3
56Florence CountyWisconsinCounty55.3
57Hickory CountyMissouriCounty55.2
58Yavapai CountyArizonaCounty55.1
59Mora CountyNew MexicoCounty55.1
60Douglas CountyNevadaCounty55.0
61Esmeralda CountyNevadaCounty55.0
62Clay CountyNorth CarolinaCounty55.0
63Mathews CountyVirginiaCounty55.0
64Pacific CountyWashingtonCounty55.0
65Trinity CountyCaliforniaCounty54.9
66Polk CountyNorth CarolinaCounty54.9
67Niobrara CountyWyomingCounty54.9
68Kenedy CountyTexasCounty54.8
69Sierra CountyCaliforniaCounty54.7
70Stone CountyMissouriCounty54.6
71Sanders CountyMontanaCounty54.6
72Carroll CountyNew HampshireCounty54.6
73Bayfield CountyWisconsinCounty54.6
74Benton CountyMissouriCounty54.5
75Wahkiakum CountyWashingtonCounty54.5
76Highlands CountyFloridaCounty54.4
77Wheeler CountyNebraskaCounty54.3
78Door CountyWisconsinCounty54.3
79Sabine CountyTexasCounty54.2
80Pamlico CountyNorth CarolinaCounty54.1
81Slope CountyNorth DakotaCounty54.1
82Fannin CountyGeorgiaCounty54.0
83Adams CountyIdahoCounty53.9
84Pope CountyIllinoisCounty53.9
85Hyde CountySouth DakotaCounty53.7
86Mohave CountyArizonaCounty53.6
87Hardin CountyIllinoisCounty53.6
88Iosco CountyMichiganCounty53.5
89Cherokee CountyNorth CarolinaCounty53.5
90Cumberland CountyTennesseeCounty53.5
91Bandera CountyTexasCounty53.5
92Boise CountyIdahoCounty53.4
93Daniels CountyMontanaCounty53.4
94Noble CountyOhioCounty53.4
95Collier CountyFloridaCounty53.3
96Martin CountyFloridaCounty53.3
97Lemhi CountyIdahoCounty53.3
98Thomas CountyNebraskaCounty53.3
99Camden CountyMissouriCounty53.2
100McCone CountyMontanaCounty53.2

Source: US Census Bureau, American Community Survey, American Community Survey 2020-2024 5-Year Estimates, released 29 January 2026. Retrieved 30 August 2026.

This is the top 100. See the complete table of all 3,144 counties.

Other rankings

Rebuilt from source data 30 August 2026. How these figures are produced.