Data / Rankings / Population aged 65 and over / Counties in North Dakota

Counties in North Dakota by share of population aged 65 and over

Slope County had the highest share of population aged 65 and over of 53 counties in 2024, at 34.9%. McKenzie County had the lowest, at 10.1%. The median was 24.4% and the figure for North Dakota was 17.6%. Source: the U.S. Census Bureau.

Full ranking

Other periods

• 2025
• 2024
• 2023
• 2022
• 2021
• 2020

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.

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Rank Counties in North Dakota by share of population aged 65 and over using official data, and cite the source.

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Population aged 65 and over: other rankings

• Countries
• EU countries
• US states
• EU regions (NUTS 2)
• US counties
• Autonomous communities of Spain
• Provinces of Spain
• Municipalities of Spain
• Regions of Germany (NUTS 2)
• Regions of France (NUTS 2)
• Regions of Italy (NUTS 2)
• Regions of Poland (NUTS 2)

Counties in North Dakota: more rankings

• Asian population share
• Bachelor's degree or higher, population 25 and over
• Live births, July to June
• Black or African American population share
• Crude birth rate, July to June
• Crude death rate, July to June
• Deaths, July to June
• Foreign-born population share
• Real GDP growth
• GDP per capita, US dollars
• Gross domestic product (GDP), US dollars
• Hispanic or Latino population share
• Homeownership rate (US, housing units)
• Median age
• Median gross rent (monthly)
• Median home value