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Census tracts · Janesville, WI

Census tracts in Janesville, Wisconsin

15 census tracts lie mostly within Janesville, and 3 more reach into it, by the 2020 census blocks they share. Median household income runs from $22,204 in Tract 1 to $124,925 in Tract 13.03, against $73,446 for Janesville as a whole (ACS 2020-2024 5-year estimates).

Which census tracts of Janesville earn the most and the least?

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

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 Janesville

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

Census tracts in or partly in Janesville, ACS 2020-2024 5-year estimates. Distance and direction from the Census Bureau's internal point of Janesville (2024 Gazetteer), which is not always its downtown
Tract 1551050001000.6 mi westRock County879±165$22,204$168,800$866100%
Tract 255105000200at the center pointRock County2,854±320$63,194$225,400$823100%
Tract 3551050003001.0 mi southwestRock County2,719±440$49,288$123,100$971100%
Tract 4551050004001.6 mi southwestRock County3,936±935$65,876$194,400$953100%
Tract 6551050006000.9 mi northwestRock County3,459±418$66,444$170,900$1,251100%
Tract 7551050007002.0 mi northeastRock County4,204±528$62,436$217,300$1,074100%
Tract 8551050008000.9 mi northeastRock County4,282±602$83,472$201,700$1,077100%
Tract 9551050009001.1 mi eastRock County3,258±425$91,175$263,500$1,210100%
Tract 11551050011002.4 mi southwestRock County4,904±594$66,600$187,800$1,317100%
Tract 13.06551050013062.6 mi northeastRock County5,054±498$54,574$253,000$99098%
Tract 10551050010001.3 mi southRock County3,047±460$49,801$137,600$1,12797%
Tract 5551050005002.1 mi northwestRock County4,582±633$73,311$178,700$1,09695%
Tract 13.05551050013053.3 mi northeastRock County3,923±495$104,306$330,200$1,69392%
Tract 13.02551050013024.6 mi southeastRock County6,342±617$83,944$267,500$1,10459%
Tract 13.03551050013035.0 mi northeastRock County4,683±351$124,925$354,300$1,15450%
Tract 14551050014004.2 mi southRock County5,760±640$87,091$207,300$89150%
Tract 12.01551050012015.3 mi southwestRock County6,423±745$90,597$271,300$1,27047%
Tract 12.02551050012024.4 mi northwestRock County5,774±504$89,012$335,200$93147%

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