Gem State Wire

Of the 1,811,617 people living in Idaho in 2021, 49.6% (899,088) were women and 50.4% (912,529) were men, according to U.S. Census Bureau data obtained by Gem State Wire.

Data showed the average age for men in Idaho in 2021 was 36 years, lower than the national average of 38 for men. Meanwhile, Idaho's female population stands at an average age of 37 years, placing them lower than the US average of 40.

According to census data, men aged 18 and over outnumbered women in the same age group by 15,259, totaling 540,474 individuals. Meanwhile, in the 65 and over group, there were 136,928 men and 150,170 women.

Idaho Governor Brad Little (2023) | Idaho Official Government Website

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 Idaho.

Age Range (Years)	Sex	Population in 2021	Population in 2020	Population in 2019	Change 2020-2021	Change 2019-2020
Under 5	Female	56,355	55,822	56,115	1%	-0.5%
Under 5	Male	58,614	58,510	58,246	0.2%	0.5%
5 to 9	Female	61,224	60,751	60,656	0.8%	0.2%
5 to 9	Male	65,157	62,981	63,364	3.5%	-0.6%
10 to 14	Female	66,826	62,669	61,888	6.6%	1.3%
10 to 14	Male	69,888	67,028	65,530	4.3%	2.3%
15 to 17	Female	39,298	37,403	36,796	5.1%	1.6%
15 to 17	Male	41,468	39,434	38,552	5.2%	2.3%
18 and 19	Female	24,033	23,222	22,710	3.5%	2.3%
18 and 19	Male	25,257	24,143	23,727	4.6%	1.8%
20	Female	12,032	11,919	12,045	0.9%	-1%
20	Male	12,402	12,184	11,826	1.8%	3%
21	Female	11,827	11,204	10,752	5.6%	4.2%
21	Male	12,670	12,131	12,076	4.4%	0.5%
22 to 24	Female	32,768	32,952	31,628	-0.6%	4.2%
22 to 24	Male	36,601	36,670	36,283	-0.2%	1.1%
25 to 29	Female	57,521	56,920	55,987	1.1%	1.7%
25 to 29	Male	60,857	60,113	58,383	1.2%	3%
30 to 34	Female	58,092	56,084	55,014	3.6%	1.9%
30 to 34	Male	58,833	56,531	55,590	4.1%	1.7%
35 to 39	Female	60,331	57,660	54,996	4.6%	4.8%
35 to 39	Male	60,922	59,079	56,576	3.1%	4.4%
40 to 44	Female	54,437	51,985	50,748	4.7%	2.4%
40 to 44	Male	57,498	53,122	51,894	8.2%	2.4%
45 to 49	Female	51,165	50,037	49,267	2.3%	1.6%
45 to 49	Male	53,733	51,615	50,657	4.1%	1.9%
50 to 54	Female	50,665	49,724	50,316	1.9%	-1.2%
50 to 54	Male	52,262	49,933	49,784	4.7%	0.3%
55 to 59	Female	56,110	54,902	55,143	2.2%	-0.4%
55 to 59	Male	55,108	53,709	51,927	2.6%	3.4%
60 and 61	Female	23,018	22,520	21,890	2.2%	2.9%
60 and 61	Male	21,737	20,849	21,145	4.3%	-1.4%
62 to 64	Female	33,216	32,344	31,028	2.7%	4.2%
62 to 64	Male	32,594	30,473	30,322	7%	0.5%
65 and 66	Female	22,885	22,165	20,282	3.2%	9.3%
65 and 66	Male	21,199	19,846	19,135	6.8%	3.7%
67 to 69	Female	28,356	27,280	26,617	3.9%	2.5%
67 to 69	Male	27,337	26,910	25,519	1.6%	5.5%
70 to 74	Female	39,331	36,907	35,054	6.6%	5.3%
70 to 74	Male	38,911	35,469	33,590	9.7%	5.6%
75 to 79	Female	26,231	26,122	24,517	0.4%	6.5%
75 to 79	Male	23,746	22,995	21,993	3.3%	4.6%
80 to 84	Female	15,696	16,230	15,871	-3.3%	2.3%
80 to 84	Male	14,612	14,887	14,196	-1.8%	4.9%
85 and over	Female	17,671	17,782	17,405	-0.6%	2.2%
85 and over	Male	11,123	11,151	10,710	-0.3%	4.1%

Source: US Census Bureau