Census tracts · DeKalb County

Census tracts in DeKalb County, Illinois

DeKalb County is divided into 23 census tracts. Among the tracts with a reliable estimate, median household income runs from $14,743 in Tract 10.02 to $135,455 in Tract 4.02 (ACS 2020-2024 5-year estimates).

Every census tract in DeKalb County

Sort by any column. A tract's number repeats across counties; the GEOID under each name is unique. A ring marks an estimate whose coefficient of variation is over 40%.

Census tracts of DeKalb County, ACS 2020-2024 5-year estimates

Tract 117037000100	Genoa (63%)	6,737	6,573±322	$91,322	$245,800	$940	9.9%
Tract 217037000200	Kirkland (20%)	4,513	4,783±387	$95,925	$255,700	$1,018	9.0%
Tract 317037000300	Malta (26%)	2,520	2,789±302	$92,212	$220,500	$977	16.9%
Tract 4.0117037000401	Sycamore (57%)	3,975	4,491±653	$101,287	$325,700	$1,180	9.3%
Tract 4.0217037000402	Sycamore (31%)	5,184	4,524±370	$135,455	$378,900	$1,404	1.1%
Tract 517037000500	Sycamore (56%)	4,070	3,884±463	$67,250	$211,300	$1,122	11.0%
Tract 617037000600	Sycamore (94%)	5,919	5,963±520	$73,450	$280,100	$931	7.9%
Tract 717037000700	Sycamore (93%)	3,694	3,870±389	$87,917	$241,300	$1,118	6.8%
Tract 817037000800	DeKalb (55%)	6,635	6,318±717	$51,782	$190,700	$1,004	10.5%
Tract 917037000900	DeKalb (85%)	4,960	5,340±648	$89,481	$231,700	$1,118	9.1%
Tract 10.0217037001002	DeKalb (87%)	5,860	6,183±865	$14,743	not published	$980	56.2%
Tract 10.0317037001003	DeKalb (90%)	4,134	4,244±710	$16,916	not published	$996	62.6%
Tract 10.0417037001004	DeKalb (66%)	2,374	1,849±440	$76,250	$299,400	$1,228	21.1%
Tract 1317037001300	DeKalb	5,267	4,899±687	$49,803	$177,300	$1,062	30.0%
Tract 1417037001400	DeKalb (75%)	6,371	6,141±676	$84,028	$235,000	$1,136	9.4%
Tract 1517037001500	DeKalb (73%)	3,831	4,042±446	$57,122	$129,700	$991	9.2%
Tract 1617037001600	Cortland (41%)	4,383	4,521±456	$100,147	$251,500	$1,818	2.9%
Tract 1717037001700	Hinckley (21%)	3,388	3,560±233	$105,057	$326,700	$1,355	8.4%
Tract 1817037001800	Waterman (14%)	3,764	3,590±318	$96,250	$237,300	$955	5.9%
Tract 1917037001900	Somonauk (44%)	2,363	2,204±283	$99,844	$274,400	$1,477	3.0%
Tract 2017037002000	Sandwich (81%)	4,732	4,739±283	$83,064	$258,000	$1,298	9.3%
Tract 2117037002100	Sandwich (82%)	2,461	2,404±247	$69,441	$248,400	$878	12.5%
Tract 2217037002200	DeKalb	3,285	3,792±357	$34,450	not published	$1,122	30.7%

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); place = the place holding most of the tract's 2020 census blocks · Check it at data.census.gov

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