St. Charles Times

Of the 402,377 people living in St. Charles County, Missouri in 2021, 50.6% (203,491) were women and 49.4% (198,886) were men, according to U.S. Census Bureau data obtained by St. Charles Times.

Data showed the average age for women in St. Charles County in 2021 was 40 years, on par with the national average of 40 for women.

According to census data, despite women being more prevalent in St. Charles County during 2021, men aged 18 and over outnumbered women in the same age group by 35. Meanwhile, in the 65 and over group, there were 27,578 men and 34,136 women.

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 St. Charles County.

Age Range (Years)	Sex	Population in 2021	Population in 2020	Population in 2019	Change 2020-2021	Change 2019-2020
Under 5	Female	11,394	11,545	11,619	-1.3%	-0.6%
Under 5	Male	11,732	11,883	11,898	-1.3%	-0.1%
5 to 9	Female	13,043	12,926	12,566	0.9%	2.9%
5 to 9	Male	13,259	13,034	13,328	1.7%	-2.2%
10 to 14	Female	13,226	13,000	13,401	1.7%	-3%
10 to 14	Male	14,279	14,066	13,752	1.5%	2.3%
15 to 17	Female	8,255	8,067	8,062	2.3%	< 0.1%
15 to 17	Male	8,566	8,367	8,325	2.4%	0.5%
18 and 19	Female	4,695	4,556	4,576	3.1%	-0.4%
18 and 19	Male	4,886	4,773	4,840	2.4%	-1.4%
20	Female	2,484	2,560	2,420	-3%	5.8%
20	Male	2,238	2,653	2,788	-15.6%	-4.8%
21	Female	2,832	3,034	3,056	-6.7%	-0.7%
21	Male	2,801	2,837	2,736	-1.3%	3.7%
22 to 24	Female	6,267	6,238	6,346	0.5%	-1.7%
22 to 24	Male	7,137	6,817	6,779	4.7%	0.6%
25 to 29	Female	11,867	12,001	11,875	-1.1%	1.1%
25 to 29	Male	12,218	12,490	12,306	-2.2%	1.5%
30 to 34	Female	13,429	13,443	13,523	-0.1%	-0.6%
30 to 34	Male	13,309	13,431	13,417	-0.9%	0.1%
35 to 39	Female	13,487	13,325	13,297	1.2%	0.2%
35 to 39	Male	14,676	14,266	13,955	2.9%	2.2%
40 to 44	Female	13,949	13,615	13,109	2.5%	3.9%
40 to 44	Male	13,285	12,688	12,372	4.7%	2.6%
45 to 49	Female	12,866	13,023	13,094	-1.2%	-0.5%
45 to 49	Male	12,736	12,655	12,656	0.6%	> -0.1%
50 to 54	Female	13,418	13,598	13,984	-1.3%	-2.8%
50 to 54	Male	13,111	12,988	13,337	0.9%	-2.6%
55 to 59	Female	14,658	14,770	14,777	-0.8%	> -0.1%
55 to 59	Male	13,895	13,728	13,731	1.2%	> -0.1%
60 and 61	Female	5,892	5,473	5,083	7.7%	7.7%
60 and 61	Male	5,512	4,961	4,913	11.1%	1%
62 to 64	Female	7,593	7,587	7,362	< 0.1%	3.1%
62 to 64	Male	7,668	7,503	6,973	2.2%	7.6%
65 and 66	Female	5,145	4,887	4,623	5.3%	5.7%
65 and 66	Male	4,304	3,747	3,885	14.9%	-3.6%
67 to 69	Female	6,199	6,198	5,760	< 0.1%	7.6%
67 to 69	Male	5,550	5,486	5,110	1.2%	7.4%
70 to 74	Female	8,640	8,239	8,030	4.9%	2.6%
70 to 74	Male	7,517	7,232	6,846	3.9%	5.6%
75 to 79	Female	6,096	6,005	5,789	1.5%	3.7%
75 to 79	Male	4,757	4,584	4,363	3.8%	5.1%
80 to 84	Female	4,143	4,300	4,301	-3.7%	> -0.1%
80 to 84	Male	2,930	3,054	2,962	-4.1%	3.1%
85 and over	Female	3,913	4,175	3,918	-6.3%	6.6%
85 and over	Male	2,520	2,664	2,447	-5.4%	8.9%

Source: US Census Bureau