Census tracts · Jefferson County

Census tracts in Jefferson County, Wisconsin

Jefferson County is divided into 21 census tracts. Among the tracts with a reliable estimate, median household income runs from $57,196 in Tract 1003.02 to $137,105 in Tract 1006.01 (ACS 2020-2024 5-year estimates).

Every census tract in Jefferson 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 Jefferson County, ACS 2020-2024 5-year estimates

Tract 100155055100100	Watertown (81%)	5,396	5,039±493	$73,135	$223,200	$1,017	15.6%
Tract 100255055100200	Watertown	3,586	3,678±579	$65,610	$207,700	$894	9.6%
Tract 1003.0155055100301	Watertown (85%)	3,737	3,841±407	$78,424	$258,900	$845	7.0%
Tract 1003.0255055100302	Watertown (94%)	2,358	2,343±273	$57,196	$182,500	$1,091	10.2%
Tract 100455055100400	Waterloo (31%)	5,921	6,080±419	$89,415	$265,500	$1,098	11.7%
Tract 100555055100500	Lake Mills (76%)	6,837	7,283±220	$91,414	$327,300	$1,206	4.7%
Tract 1006.0155055100601	–	1,656	1,622±226	$137,105	$535,100	not published	2.4%
Tract 1006.0255055100602	Lake Ripley (28%)	3,437	3,348±212	$93,353	$367,700	$1,184	9.1%
Tract 100755055100700	Johnson Creek (28%)	4,982	4,673±267	$98,702	$329,400	$1,221	5.0%
Tract 100855055100800	Rome (13%)	4,038	3,557±364	$101,131	$357,200	$1,010	7.0%
Tract 100955055100900	Helenville (4%)	3,801	3,903±304	$93,176	$312,000	$1,267	5.5%
Tract 101055055101000	Jefferson (67%)	3,678	3,860±304	$77,089	$278,200	$1,018	11.1%
Tract 101155055101100	Jefferson (84%)	4,373	4,141±330	$80,139	$200,300	$1,096	11.1%
Tract 1012.0155055101201	Lake Koshkonong (46%)	2,277	2,123±267	$98,456	$384,900	$1,213	8.7%
Tract 1012.0255055101202	Fort Atkinson (2%)	1,678	1,740±268	$120,234	$392,600	$950	2.5%
Tract 101355055101300	Fort Atkinson (72%)	6,017	6,108±554	$80,792	$216,100	$972	6.4%
Tract 101455055101400	Fort Atkinson (88%)	3,355	3,313±308	$84,119	$241,500	$914	7.9%
Tract 101555055101500	Fort Atkinson (72%)	3,976	3,729±387	$61,944	$206,900	$779	7.6%
Tract 101655055101600	Palmyra (27%)	6,844	8,625±405	$83,233	$249,400	$979	12.4%
Tract 1017.0155055101701	Johnson Creek (12%)	1,434	1,441±208	$95,000	$367,000	$1,102	5.4%
Tract 1017.0255055101702	Ixonia (20%)	5,519	5,556±162	$90,227	$336,300	$1,176	2.2%

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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