How Montana Compares

Montana

40.4 years

National

38.9 years

3.9% above

State Ranking

Rank	State	Value
#9	Hawaii	40.9 years
#10	Pennsylvania	40.9 years
#11	Rhode Island	40.6 years
#12	Montana	40.4 years
#13	Oregon	40.4 years
#14	Michigan	40.2 years
#15	South Carolina	40.2 years

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Highest Age Counties in Montana

#	County	Age
1	Meagher County	58.3 years
2	Prairie County	57.8 years
3	Carter County	56.9 years
4	Sanders County	54.6 years
5	Daniels County	53.4 years
6	McCone County	53.2 years
7	Granite County	53.0 years
8	Lincoln County	52.8 years
9	Madison County	52.2 years
10	Treasure County	52.0 years

Lowest Age Counties in Montana

#	County	Age
56	Roosevelt County	30.9 years
55	Big Horn County	31.9 years
54	Glacier County	33.4 years
53	Gallatin County	34.2 years
52	Hill County	34.5 years
51	Blaine County	35.6 years
50	Missoula County	37.1 years
49	Fallon County	37.5 years
48	Toole County	37.7 years
47	Rosebud County	38.0 years

Median Age in Montana

Montana has a median age of 40.4 years, ranking #12 of 52 among all 52 states and territories. This is 3.9% above the national value of 38.9 years.

Across Montana's 56 counties, median age ranges from 30.9 years to 58.3 years. The county with the highest value is Meagher County at 58.3 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.