Census tracts · Fond du Lac County

Census tracts in Fond du Lac County, Wisconsin

Fond du Lac County is divided into 23 census tracts. Among the tracts with a reliable estimate, median household income runs from $32,750 in Tract 405 to $114,886 in Tract 420.01 (ACS 2020-2024 5-year estimates).

Every census tract in Fond du Lac 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 Fond du Lac County, ACS 2020-2024 5-year estimates
Tract 40155039040100Fond du Lac (95%)4,1184,413±478$69,644$174,700$1,02613.7%
Tract 40255039040200Fond du Lac2,8352,738±490$60,368$151,700$1,11718.6%
Tract 40355039040300Fond du Lac (98%)5,9546,241±904$61,164$137,500$86111.1%
Tract 40455039040400Fond du Lac (89%)2,8773,400±590$59,527$157,000$9356.8%
Tract 40555039040500Fond du Lac3,9333,917±459$32,750$137,600$77330.6%
Tract 40755039040700Fond du Lac (55%)5,5224,991±532$82,241$230,300$1,1064.1%
Tract 40855039040800Fond du Lac4,5064,968±776$77,118$143,700$82910.2%
Tract 40955039040900Fond du Lac (98%)3,3803,612±648$59,123$167,600$1,03911.4%
Tract 41055039041000Fond du Lac (90%)3,0132,961±361$56,725$179,000$79513.1%
Tract 411.0155039041101Fond du Lac (60%)4,9994,437±459$74,432$289,900$1,2099.1%
Tract 411.0255039041102Fond du Lac (79%)5,1714,690±391$76,875$320,600$9798.5%
Tract 41355039041300North Fond du Lac (63%)6,9196,246±255$62,027$149,100$1,12411.2%
Tract 41455039041400Rosendale (8%)5,8486,356±313$95,637$273,200$1,1833.4%
Tract 41555039041500Ripon (62%)3,3463,297±319$54,216$178,200$1,0677.5%
Tract 41655039041600Ripon (80%)5,8315,845±388$64,495$184,800$70016.1%
Tract 41755039041700Brandon (16%)3,8813,991±262$97,581$233,200$9365.2%
Tract 41855039041800Waupun (56%)4,9224,864±266$83,533$228,500$8319.6%
Tract 419.0155039041901Oakfield (11%)3,7333,986±335$99,917$269,400$8754.3%
Tract 419.0255039041902Eden (10%)3,3973,291±316$92,500$321,200$9887.4%
Tract 420.0155039042001Fond du Lac (16%)3,0363,038±124$114,886$376,700$9682.1%
Tract 420.0255039042002Fond du Lac (19%)6,3976,139±242$105,345$353,200$1,1364.1%
Tract 42155039042100Mount Calvary (7%)4,5474,707±335$94,625$246,500$7955.0%
Tract 42255039042200Campbellsport (20%)5,9896,009±416$91,509$284,000$9916.4%

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

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