Big Sky Times

Of the 1,077,978 people living in Montana in 2021, 49.4% (532,307) were women and 50.6% (545,671) were men, according to U.S. Census Bureau data obtained by Big Sky Times.

Data showed the average age for men in Montana in 2021 was 39 years, higher than the national average of 38 for men. Meanwhile, Montana's female population stands at an average age of 41 years, placing them higher than the US average of 40.

According to census data, men aged 18 and over outnumbered women in the same age group by 12,629, totaling 327,669 individuals. Meanwhile, in the 65 and over group, there were 97,901 men and 104,553 women.

Montana Lt. Governor Kristen Juras | linkedin.com

An agency of the U.S. Federal Statistical System, the Census Bureau is responsible for compiling statistical facts about the American people, places and economy. Data for this story was compiled from the bureau's American Community Survey. Information from the survey helps to determine how federal and state funds are distributed. These funds significantly influence community services, education, and infrastructure in areas like Montana.

Age Range (Years)	Sex	Population in 2021	Population in 2020	Population in 2019	Change 2020-2021	Change 2019-2020
Under 5	Female	29,140	29,471	29,488	-1.1%	> -0.1%
Under 5	Male	31,226	31,867	31,547	-2%	1%
5 to 9	Female	31,527	30,690	30,578	2.7%	0.4%
5 to 9	Male	33,436	32,075	32,638	4.2%	-1.7%
10 to 14	Female	32,575	32,151	32,279	1.3%	-0.4%
10 to 14	Male	34,933	33,972	33,659	2.8%	0.9%
15 to 17	Female	19,472	18,747	18,521	3.9%	1.2%
15 to 17	Male	20,506	19,616	19,676	4.5%	-0.3%
18 and 19	Female	12,320	12,026	12,570	2.4%	-4.3%
18 and 19	Male	14,576	14,094	14,175	3.4%	-0.6%
20	Female	7,414	7,259	6,412	2.1%	13.2%
20	Male	7,071	7,266	8,105	-2.7%	-10.4%
21	Female	6,575	6,640	6,836	-1%	-2.9%
21	Male	7,692	7,269	7,738	5.8%	-6.1%
22 to 24	Female	20,036	20,491	20,706	-2.2%	-1%
22 to 24	Male	23,017	23,383	22,426	-1.6%	4.3%
25 to 29	Female	34,277	33,393	32,843	2.6%	1.7%
25 to 29	Male	35,936	35,973	34,823	-0.1%	3.3%
30 to 34	Female	33,471	33,218	32,473	0.8%	2.3%
30 to 34	Male	34,407	33,941	33,265	1.4%	2%
35 to 39	Female	33,845	32,441	32,484	4.3%	-0.1%
35 to 39	Male	35,629	34,045	33,553	4.7%	1.5%
40 to 44	Female	30,738	29,899	28,348	2.8%	5.5%
40 to 44	Male	32,629	31,284	30,030	4.3%	4.2%
45 to 49	Female	29,036	29,054	28,995	> -0.1%	0.2%
45 to 49	Male	30,583	29,889	29,898	2.3%	> -0.1%
50 to 54	Female	30,480	30,908	32,157	-1.4%	-3.9%
50 to 54	Male	31,423	30,757	31,863	2.2%	-3.5%
55 to 59	Female	37,011	38,215	38,418	-3.2%	-0.5%
55 to 59	Male	35,729	36,001	35,650	-0.8%	1%
60 and 61	Female	16,635	16,701	16,481	-0.4%	1.3%
60 and 61	Male	16,057	15,853	16,126	1.3%	-1.7%
62 to 64	Female	23,202	22,955	22,954	1.1%	< 0.1%
62 to 64	Male	22,920	22,042	22,223	4%	-0.8%
65 and 66	Female	15,303	14,594	14,034	4.9%	4%
65 and 66	Male	14,358	13,666	14,123	5.1%	-3.2%
67 to 69	Female	21,057	20,479	19,055	2.8%	7.5%
67 to 69	Male	20,543	19,861	18,984	3.4%	4.6%
70 to 74	Female	26,300	25,144	24,299	4.6%	3.5%
70 to 74	Male	27,907	26,040	24,134	7.2%	7.9%
75 to 79	Female	18,041	18,380	17,566	-1.8%	4.6%
75 to 79	Male	17,524	17,387	16,352	0.8%	6.3%
80 to 84	Female	11,141	11,450	11,504	-2.7%	-0.5%
80 to 84	Male	9,898	9,833	9,600	0.7%	2.4%
85 and over	Female	12,711	13,271	13,075	-4.2%	1.5%
85 and over	Male	7,671	8,014	7,985	-4.3%	0.4%

Source: US Census Bureau