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   2021  +1 +5

777,977 people lived in North Dakota on July 1, 2021: the 47th-largest population among the 50 states and the District of Columbia. The median age was 36.0 years (United States: 38.9); children under 15 (19.8%) clearly outnumber residents 65 and older (16.3%): a relatively young population. There were 104.3 men for every 100 women. Since 2010 the population has grown by 15.3%. 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, 2021
Population
777,977
Rank by population
47th of 51
Median age
36.0
Men per 100 women
104.3
Under 15
19.8%
15–64
63.9%
65 and over
16.3%
Child dependency
30.9
Old-age dependency
25.6
Change since 2010
+15.3%
Dependency ratios count children under 15 or adults 65 and over per 100 residents aged 15 to 64.
Show the population by age group, 2021
AgeMenWomenTotalShare
0-426,13924,78650,9256.5%
5-926,86025,88252,7426.8%
10-1425,63224,55350,1856.5%
15-1926,90525,30752,2126.7%
20-2433,23029,08462,3148.0%
25-2928,31725,25853,5756.9%
30-3429,24526,57255,8177.2%
35-3928,47025,61254,0827.0%
40-4424,54821,61846,1665.9%
45-4920,50818,77939,2875.0%
50-5420,55019,45740,0075.1%
55-5922,87822,10144,9795.8%
60-6424,51624,15648,6726.3%
65-6921,58321,37042,9535.5%
70-7415,92716,24032,1674.1%
75-799,71011,12620,8362.7%
80-846,2208,18514,4051.9%
85+5,96710,68616,6532.1%
How North Dakota compares with similar-sized states, 2021
RankStateResidentsRelative
44 Rhode Island 1,097,381
45 Delaware 1,005,130
46 South Dakota 896,303
47 North Dakota 777,977
48 Alaska 734,590
49 District of Columbia 669,637
50 Vermont 647,238
Frequently asked questions about North Dakota's population
What is the population of North Dakota?
North Dakota had an estimated 777,977 residents on July 1, 2021, 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 36.0 years in 2021, the 47th oldest of the 51 states and DC. That is 2.9 years younger than the national median of 38.9.
How many people in North Dakota are 65 or older?
About 127,014 residents of North Dakota (16.3%) were 65 or older in 2021, against 19.8% under 15 and 63.9% aged 15 to 64.
What does the population pyramid of North Dakota show?
In 2021, North Dakota: children under 15 (19.8%) clearly outnumber residents 65 and older (16.3%): a relatively young population. There were 104.3 men for every 100 women.
How fast is the population of North Dakota changing?
The population of North Dakota grew by 15.3% between 2010 and 2021, and by -0.2% in the last year.
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