Census tracts · St. Charles, MO

Census tracts in St. Charles, Missouri

17 census tracts lie mostly within St. Charles, and 9 more reach into it, by the 2020 census blocks they share. Median household income runs from $48,676 in Tract 3105.01 to $116,725 in Tract 3102.01, against $85,937 for St. Charles as a whole (ACS 2020-2024 5-year estimates).

Which census tracts of St. Charles earn the most and the least?

The five tracts with the highest and the lowest median household income among those mostly within St. Charles and with a reliable estimate.

Tract 3102.01 $116,725
Tract 3106.02 $108,625
Tract 3110.01 $93,963
Tract 3103.01 $91,969
Tract 3103.02 $90,774
Tract 3110.04 $72,070
Tract 3109.01 $71,944
Tract 3105.02 $59,754
Tract 3107 $58,574
Tract 3105.01 $48,676

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) · Check it at data.census.gov

Every census tract in St. Charles

Sort by any column; the share column is how much of each tract's land (by 2020 census blocks) lies inside St. Charles.

Census tracts in or partly in St. Charles, ACS 2020-2024 5-year estimates. Distance and direction from the Census Bureau's internal point of St. Charles (2024 Gazetteer), which is not always its downtown

Tract 3103.0129183310301	1.3 mi northeast	St. Charles County	3,830±262	$91,969	$255,300	$1,118	100%
Tract 3103.0229183310302	1.4 mi east	St. Charles County	3,847±564	$90,774	$245,400	$998	100%
Tract 310429183310400	2.0 mi east	St. Charles County	2,094±264	$72,115	$211,800	$971	100%
Tract 3105.0129183310501	1.6 mi southeast	St. Charles County	4,203±375	$48,676	$188,700	$917	100%
Tract 3105.0229183310502	2.1 mi southeast	St. Charles County	2,345±311	$59,754	$249,900	$1,078	100%
Tract 3106.0129183310601	0.7 mi southeast	St. Charles County	4,398±299	$88,125	$228,600	$1,471	100%
Tract 310729183310700	0.6 mi southwest	St. Charles County	4,835±590	$58,574	$228,000	$1,233	98%
Tract 3102.0129183310201	3.0 mi northeast	St. Charles County	7,715±629	$116,725	$364,000	$1,415	96%
Tract 3106.0229183310602	0.6 mi northwest	St. Charles County	5,440±736	$108,625	$285,400	$1,155	95%
Tract 3110.0329183311003	2.5 mi southeast	St. Charles County	3,082±315	$73,054	$314,800	$1,517	84%
Tract 3109.0129183310901	1.3 mi south	St. Charles County	1,859±233	$71,944	$228,600	$1,158	81%
Tract 3109.0229183310902	2.0 mi southwest	St. Charles County	4,862±774	$81,786	$314,500	$1,266	73%
Tract 3102.0229183310202	2.4 mi northeast	St. Charles County	3,144±390	$76,950	$313,100	$1,055	70%
Tract 3109.0329183310903	2.1 mi southwest	St. Charles County	3,935±460	$87,347	$329,000	$1,345	54%
Tract 3110.0429183311004	2.0 mi south	St. Charles County	5,219±417	$72,070	$219,600	$1,341	53%
Tract 3110.0129183311001	3.2 mi south	St. Charles County	4,782±710	$93,963	$272,300	$1,540	51%
Tract 3112.1129183311211	2.7 mi southwest	St. Charles County	5,524±676	$78,256	$321,800	$1,233	51%
Tract 312329183312300	2.9 mi southwest	St. Charles County	2,702±332	$138,618	$350,400	not published	41%
Tract 3108.0129183310801	3.0 mi west	St. Charles County	2,679±378	$90,841	$355,800	$1,549	39%
Tract 3108.0229183310802	1.7 mi west	St. Charles County	6,309±711	$95,554	$251,600	$1,308	35%
Tract 311529183311500	7.6 mi northwest	St. Charles County	2,087±285	$49,182	$22,800	$1,116	34%
Tract 3111.4629183311146	3.7 mi south	St. Charles County	4,570±470	$104,132	$366,200	$1,241	25%
Tract 3112.1229183311212	3.2 mi west	St. Charles County	4,654±1,056	$110,714	$298,400	$1,573	16%
Tract 310129183310100	10 mi northeast	St. Charles County	2,235±323	$94,130	$213,800	$1,107	9%
Tract 312429183312400	5.1 mi west	St. Charles County	5,173±477	$49,737	$172,100	$1,059	3%
Tract 3112.9629183311296	3.8 mi southwest	St. Charles County	4,029±299	$95,982	$267,500	$2,008	2%

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); 2020 block assignment files · Census block assignment files

How these figures are made: methodology and release checks · reading a margin of error · every state · corrections