Share of the population by age and sex, five-year groups

Population of North Dakota, 2010–2025 · click to pick a year
Estimates up to 2019 are built on the 2010 Census, those from 2020 on the 2020 Census. A line that steps up or down between 2019 and 2020 reflects this re-basing, not a sudden change in population.

Year

-5 -1   2025  +1 +5

799,358 people lived in North Dakota on July 1, 2025: the 47th-largest population among the 50 states and the District of Columbia. The median age was 36.5 years (United States: 39.4); children (19.1%) and older adults (17.9%) make up similar shares of the population. There were 104.9 men for every 100 women. Since 2010 the population has grown by 18.5%. Source: U.S. Census Bureau, Population Estimates Program, Vintage 2025 estimates (resident population on July 1; public domain). Median age, shares, dependency ratios and rankings are calculated by PopulationPyramid.net from these estimates; the Census Bureau does not endorse this site.

Key indicators, 2025
Population
799,358
Rank by population
47th of 51
Median age
36.5
Men per 100 women
104.9
Under 15
19.1%
15–64
63.0%
65 and over
17.9%
Child dependency
30.3
Old-age dependency
28.4
Change since 2010
+18.5%
Dependency ratios count children under 15 or adults 65 and over per 100 residents aged 15 to 64.
Show the population by age group, 2025
AgeMenWomenTotalShare
0-425,02723,34048,3676.1%
5-926,52225,25751,7796.5%
10-1426,91025,73052,6406.6%
15-1928,96227,26456,2267.0%
20-2434,72830,75565,4838.2%
25-2928,84125,00353,8446.7%
30-3428,67625,60854,2846.8%
35-3929,00526,13455,1396.9%
40-4427,82224,66952,4916.6%
45-4922,92520,40743,3325.4%
50-5420,02718,74238,7694.9%
55-5920,11019,22039,3304.9%
60-6422,42022,11544,5355.6%
65-6922,45622,51244,9685.6%
70-7418,57419,10537,6794.7%
75-7912,56113,91826,4793.3%
80-847,3559,13516,4902.1%
85+6,35311,17017,5232.2%
How North Dakota compares with similar-sized states, 2025
RankStateResidentsRelative
44 Rhode Island 1,114,521
45 Delaware 1,059,952
46 South Dakota 935,094
47 North Dakota 799,358
48 Alaska 737,270
49 District of Columbia 693,645
50 Vermont 644,663
Frequently asked questions about North Dakota's population
What is the population of North Dakota?
North Dakota had an estimated 799,358 residents on July 1, 2025, according to the U.S. Census Bureau, Population Estimates Program. That ranks 47th among the 51 states and the District of Columbia.
What is the median age in North Dakota?
The median age in North Dakota was 36.5 years in 2025, the 48th oldest of the 51 states and DC. That is 2.9 years younger than the national median of 39.4.
How many people in North Dakota are 65 or older?
About 143,139 residents of North Dakota (17.9%) were 65 or older in 2025, against 19.1% under 15 and 63.0% aged 15 to 64.
What does the population pyramid of North Dakota show?
In 2025, North Dakota: children (19.1%) and older adults (17.9%) make up similar shares of the population. There were 104.9 men for every 100 women.
How fast is the population of North Dakota changing?
The population of North Dakota grew by 18.5% between 2010 and 2025, and by 0.8% in the last year.
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