Data / Rankings / Population aged 65 and over / US counties

US counties by share of population aged 65 and over

Sumter County had the highest share of population aged 65 and over of 3144 counties in 2023, at 57.5%. Chattahoochee County had the lowest, at 6%. The median was 21.2% and the figure for the United States was 18.1%. Source: the U.S. Census Bureau.

Highest57.5Sumter County
Lowest6Chattahoochee County
Median21.23144 counties
United States18.1History

Top 40 counties, 2023

CSVChart (SVG)

Sumter CountySumter County: 57.5 %57.5Jefferson CountyJefferson County: 42.9 %42.9Catron CountyCatron County: 42.9 %42.9Kalawao CountyKalawao County: 42.7 %42.7McCormick CountyMcCormick County: 42.2 %42.2Jeff Davis CountyJeff Davis County: 41.8 %41.8Charlotte CountyCharlotte County: 40.6 %40.6Lancaster CountyLancaster County: 39.9 %39.9Harding CountyHarding County: 39.3 %39.3Towns CountyTowns County: 38.9 %38.9Ontonagon CountyOntonagon County: 38.4 %38.4Wheeler CountyWheeler County: 38.4 %38.4Curry CountyCurry County: 38.2 %38.2Northumberland CountyNorthumberland County: 38 %38Highland CountyHighland County: 38 %38Sarasota CountySarasota County: 38 %38Citrus CountyCitrus County: 37.6 %37.6Hinsdale CountyHinsdale County: 37.5 %37.5Hamilton CountyHamilton County: 37 %37Sierra CountySierra County: 36.9 %36.9San Juan CountySan Juan County: 36.8 %36.8Llano CountyLlano County: 36.8 %36.8Prairie CountyPrairie County: 36.5 %36.5Keweenaw CountyKeweenaw County: 36.5 %36.5Alcona CountyAlcona County: 36.4 %36.4La Paz CountyLa Paz County: 36.3 %36.3Mineral CountyMineral County: 36.2 %36.2Indian River CountyIndian River County: 35.9 %35.9Highlands CountyHighlands County: 35.9 %35.9Clay CountyClay County: 35.8 %35.8Brunswick CountyBrunswick County: 35.6 %35.6Yavapai CountyYavapai County: 35.6 %35.6Union CountyUnion County: 35.2 %35.2Boyd CountyBoyd County: 35.1 %35.1Vilas CountyVilas County: 35.1 %35.1Presque Isle CountyPresque Isle County: 34.9 %34.9Leelanau CountyLeelanau County: 34.9 %34.9Custer CountyCuster County: 34.8 %34.8Barnstable CountyBarnstable County: 34.6 %34.6Douglas CountyDouglas County: 34.6 %34.6
%. Source: Invokely calculation with data from U.S. Census Bureau. Retrieved 2026-10-09.

Full ranking

RankCounties2023 (%)Change on 2022
1Sumter County57.5-0.5 pts
2Jefferson County42.9+1.3 pts
3Catron County42.9+0.9 pts
4Kalawao County42.7+5.6 pts
5McCormick County42.2+1.8 pts
6Jeff Davis County41.8+1.7 pts
7Charlotte County40.60 pts
8Lancaster County39.90 pts
9Harding County39.3-0.3 pts
10Towns County38.9+0.7 pts
11Ontonagon County38.4+1.1 pts
12Wheeler County38.4+0.9 pts
13Curry County38.2+1.2 pts
14Northumberland County38+0.5 pts
15Highland County38+0.7 pts
16Sarasota County38+0.3 pts
17Citrus County37.6+0.2 pts
18Hinsdale County37.5+2.6 pts
19Hamilton County37+1.1 pts
20Sierra County36.9+0.5 pts
21San Juan County36.8+1 pts
22Llano County36.8+0.4 pts
23Prairie County36.5+2 pts
24Keweenaw County36.5+0.7 pts
25Alcona County36.4+0.6 pts
26La Paz County36.3+0.9 pts
27Mineral County36.2-0.1 pts
28Indian River County35.9+0.6 pts
29Highlands County35.9+0.1 pts
30Clay County35.8+0.7 pts
31Brunswick County35.6+0.5 pts
32Yavapai County35.6+0.6 pts
33Union County35.2+0.8 pts
34Boyd County35.1+1 pts
35Vilas County35.1+0.6 pts
36Presque Isle County34.9+0.8 pts
37Leelanau County34.9+0.8 pts
38Custer County34.8+1.3 pts
39Barnstable County34.6+0.8 pts
40Douglas County34.6+1.1 pts
41Iron County34.5+0.6 pts
42Roscommon County34.5+0.7 pts
43Door County34.4+1.1 pts
44Aitkin County34.3+0.7 pts
45Clallam County34.2+0.5 pts
46Fall River County34.1+0.7 pts
47Mason County34+0.8 pts
48Petroleum County33.9+0.7 pts
49Cumberland County33.8+0.3 pts
50Pacific County33.8+0.9 pts
51Huerfano County33.7+1.2 pts
52Pamlico County33.7+0.4 pts
53Montmorency County33.6+0.5 pts
54Collier County33.6+0.3 pts
55Middlesex County33.5+0.7 pts
56Cook County33.3+1 pts
57Sanders County33.3+0.6 pts
58Florence County33.3+2 pts
59Custer County33.2-0.5 pts
60Burnett County33.2+1 pts
61Gillespie County33.1+0.3 pts
62Lincoln County33.1+0.6 pts
63Real County33.1+0.7 pts
64Mathews County33.1+0.3 pts
65Carroll County33+1 pts
65Wahkiakum County33+0.5 pts
67Lincoln County33+1.2 pts
68Hickory County33-0.1 pts
69Bayfield County33+1.3 pts
70Mohave County32.9+0.7 pts
71Ouray County32.8+1.3 pts
72Stonewall County32.8-0.3 pts
73Loup County32.8+1.6 pts
74Quitman County32.8+0.9 pts
75Martin County32.8+0.4 pts
76Flagler County32.7+0.2 pts
77Potter County32.7+1.1 pts
78Plumas County32.7+1 pts
79Polk County32.6+0.4 pts
80Cherokee County32.6+0.4 pts
81Sullivan County32.5+1.2 pts
82Nelson County32.4+0.2 pts
83Menard County32.4+0.5 pts
84Georgetown County32.2+0.7 pts
85Mora County32.2+0.6 pts
86Wallowa County32.2+0.1 pts
87McIntosh County32.20 pts
88Storey County32.2+0.9 pts
89Golden Valley County32.1+1.2 pts
90Sheridan County32+0.1 pts
91Sierra County32+0.6 pts
92Greene County32+0.8 pts
93Dundy County31.9+1.7 pts
94Grant County31.9+0.4 pts
95Grant County31.9+0.3 pts
96Lemhi County31.8+0.2 pts
97Mackinac County31.8+0.9 pts
98Iron County31.7+0.7 pts
99Stone County31.7+0.3 pts
100Grant County31.7+0.9 pts
101Gila County31.7+0.6 pts
102Nye County31.7-0 pts
103Kent County31.6+0.2 pts
104Baxter County31.6+0.2 pts
105Slope County31.6+2.2 pts
106Iosco County31.5+0.9 pts
107Nelson County31.5+1.1 pts
108Adams County31.4+0.2 pts
109Jewell County31.4+0.8 pts
110Northampton County31.4+1.1 pts
111Custer County31.3+0.7 pts
112Garden County31.3+0.8 pts
113Pendleton County31.3+0.7 pts
114Fannin County31.2+0.4 pts
115Oscoda County31.2+0.3 pts
116Lincoln County31.2+0.5 pts
117Lincoln County31.2+0.6 pts
117Transylvania County31.2+0.2 pts
119Sussex County31.1+0.8 pts
120Kerr County31.1+0.4 pts
121Adams County31.1-0 pts
122Benton County31.1+0.4 pts
123Pope County31+0.9 pts
124Hooker County31+0.8 pts
125Adams County31+0.7 pts
126Sawyer County31+1 pts
127McPherson County30.9+0.6 pts
128Sabine County30.9+0.6 pts
129Idaho County30.9+0.6 pts
130Cape May County30.8+1 pts
131Talbot County30.8+0.5 pts
132Jerauld County30.8-0.5 pts
132Sedgwick County30.8-0 pts
134Smith County30.7-0.3 pts
135Niobrara County30.6+2 pts
136Macon County30.6+0.2 pts
137Thomas County30.6-0.9 pts
138Franklin County30.6+1.1 pts
139Rock County30.6-0.1 pts
140Oneida County30.5+0.8 pts
141Hot Springs County30.4+0.6 pts
142Alleghany County30.3+0.6 pts
143Terrell County30.3-2.1 pts
144Price County30.3+1 pts
145Washburn County30.3+0.5 pts
146Northampton County30.3+0.9 pts
147Kimble County30.3+0.8 pts
148Mariposa County30.3+0.7 pts
149Archuleta County30.2+0.5 pts
150Schoolcraft County30.2+0.8 pts
151Mills County30.2+0.3 pts
152Judith Basin County30.2+1.1 pts
153Blanco County30.2+0.2 pts
154Bandera County30.2+0.4 pts
155Griggs County30.2+0.5 pts
156Jo Daviess County30.2+0.6 pts
157Wells County30.1+0.5 pts
158Rabun County30.1+0.5 pts
159Madison County30.1+0.3 pts
160Taos County30.1+0.8 pts
161Decatur County30.1+0.6 pts
162Hardin County30.1+0.2 pts
163Ferry County30+0.3 pts
164Meagher County30+1.3 pts
165Beaufort County29.9+0.5 pts
166Gogebic County29.9+1 pts
167Marion County29.8-0.1 pts
168Lake County29.8+0.8 pts
169Columbia County29.8+0.4 pts
170Campbell County29.8+1.2 pts
170Jefferson County29.8+0.8 pts
172Clearwater County29.8-0.1 pts
173Powder River County29.80 pts
174Marion County29.8+0.4 pts
174Nuckolls County29.8+1 pts
176Rappahannock County29.8+0.5 pts
177Dickinson County29.7+0.7 pts
178Benzie County29.7+0.8 pts
179Kimball County29.6+0.6 pts
180Coos County29.6+0.8 pts
181Aransas County29.6+0.8 pts
182Amador County29.6+0.4 pts
183Costilla County29.6-0.1 pts
184Marion County29.6+0.3 pts
185Bath County29.5+0.4 pts
186Dukes County29.5+0.8 pts
187Newton County29.5+0.7 pts
188Nevada County29.5+0.7 pts
189Antrim County29.5+0.6 pts
190Calaveras County29.4+0.6 pts
191Deuel County29.4+1.2 pts
192Knox County29.3+0.6 pts
193Edwards County29.3+0.7 pts
194Cameron County29.3+0.6 pts
195Foard County29.3+0.7 pts
196Esmeralda County29.3+0.5 pts
197Lake of the Woods County29.3+1.3 pts
198Tillamook County29.2+0.5 pts
199Kent County29.2+0.6 pts
200Emmons County29.2-0.1 pts
201Camden County29.2+0.6 pts
202Cheboygan County29.2+0.7 pts
203Tuolumne County29.1+0.2 pts
204Josephine County29.1+0.5 pts
205Lee County29.1-0.2 pts
206Granite County29.10 pts
206Modoc County29.1+0.5 pts
208Wood County29.1+0.2 pts
209Delta County29.1+0.6 pts
210Loudon County29.1+0.2 pts
211Banner County29+1 pts
212Siskiyou County29+0.8 pts
213Wheeler County29+1.2 pts
213Worcester County29+0.6 pts
215Pawnee County29+0.3 pts
216Ravalli County29+0.7 pts
217Keya Paha County29+0.3 pts
218Patrick County29+0.8 pts
219Colfax County28.9+0.8 pts
219McPherson County28.9+1.3 pts
221Gregory County28.9+0.7 pts
222Murray County28.9+0.8 pts
223Island County28.9+0.8 pts
224Washington County28.9+0.8 pts
225Baker County28.9+0.6 pts
226Essex County28.9+0.8 pts
227Boise County28.8+1.2 pts
228Manistee County28.8+0.6 pts
229Manatee County28.8+0.3 pts
230Ogemaw County28.8+0.7 pts
231Talbot County28.8+1.2 pts
232Ness County28.8+0.8 pts
233Carteret County28.7+0.8 pts
234Ashe County28.7+0.6 pts
235Republic County28.7+0.6 pts
236Rawlins County28.7-0.2 pts
237Charles City County28.7+0.7 pts
238Perquimans County28.7+0.7 pts
239Piscataquis County28.6+0.5 pts
240Pickett County28.6+0.3 pts
241Santa Fe County28.6+0.8 pts
242Stone County28.6+0.7 pts
243Cleburne County28.6+0.3 pts
244Horry County28.6+0.6 pts
245Pend Oreille County28.6+0.3 pts
246Camas County28.6+1.4 pts
247Sweet Grass County28.6+0.1 pts
248Tensas Parish28.6+1.2 pts
249Hancock County28.6+0.7 pts
250Graham County28.6+0.5 pts

Showing the top 250 of 3144. The CSV download has every row.

Other periods

About this ranking

Residents aged 65 or over as a percentage of total population. Spain: 1 January, INE annual census. United States: 1 July, Census Bureau population estimates. World Bank figures for other countries and the World refer to mid-year.

Every value in the ranking comes from the same publisher and the same period, so the counties are compared on one definition. Equal values share a rank.

How to cite

U.S. Census Bureau. Population Estimates Program, county population by age and sex (cc-est agesex): residents aged 65 and over as a percentage of the total, 1 July; states and the nation summed from counties. https://www2.census.gov/programs-surveys/popest/datasets/2020-2025/counties/asrh/cc-est2025-agesex-all.csv. Retrieved 2026-10-09.

Use this data in your AI agent

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Rank US counties by share of population aged 65 and over using official data, and cite the source.
rank_places {"indicator":"population_65_plus_share","level":"province","within":"United States","limit":10}
GET https://invokely.ai/api/v1/rank?indicator=population_65_plus_share&level=province&within=United%20States&limit=10

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Questions

Which county has the highest share of population aged 65 and over?

Sumter County, with 57.5% in 2023, according to the U.S. Census Bureau.

Which county has the lowest share of population aged 65 and over?

Chattahoochee County, with 6% in 2023.

Where does this ranking come from?

Every value comes from one source and one period, so the places are comparable: U.S. Census Bureau, Population Estimates Program, county population by age and sex (cc-est agesex): residents aged 65 and over as a percentage of the total, 1 July; states and the nation summed from counties. Retrieved 2026-10-09.

Population aged 65 and over: other rankings

US counties: more rankings