How North Dakota Compares

North Dakota

35.9 years

National

38.9 years

7.7% below

State Ranking

Rank	State	Value
#45	Idaho	37.3 years
#46	Nebraska	37.2 years
#47	Oklahoma	37.0 years
#48	North Dakota	35.9 years
#49	Alaska	35.8 years
#50	Texas	35.6 years
#51	District of Columbia	34.9 years

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Highest Age Counties in North Dakota

#	County	Age
1	Slope County	54.1 years
2	McIntosh County	53.0 years
3	Emmons County	51.7 years
4	Griggs County	51.5 years
5	Sheridan County	51.5 years
6	Logan County	50.3 years
7	Nelson County	50.1 years
8	Divide County	49.7 years
9	Grant County	48.9 years
10	Towner County	48.9 years

Lowest Age Counties in North Dakota

#	County	Age
53	Sioux County	28.2 years
52	Grand Forks County	30.9 years
51	McKenzie County	31.5 years
50	Williams County	31.8 years
49	Rolette County	32.5 years
48	Benson County	32.6 years
47	Cass County	32.8 years
46	Ward County	33.6 years
45	Stark County	34.8 years
44	Mountrail County	35.4 years

Median Age in North Dakota

North Dakota has a median age of 35.9 years, ranking #48 of 52 among all 52 states and territories. This is 7.7% below the national value of 38.9 years.

Across North Dakota's 53 counties, median age ranges from 28.2 years to 54.1 years. The county with the highest value is Slope County at 54.1 years.

The median age of the total population.

About this data

Source: U.S. Census Bureau, American Community Survey 5-Year Estimates (2024). All values are estimates derived from survey samples and are subject to margin of error. For more information, see our methodology.