Census tracts · Winnebago County

Census tracts in Winnebago County, Illinois

Winnebago County is divided into 80 census tracts. Among the tracts with a reliable estimate, median household income runs from $19,203 in Tract 11 to $123,618 in Tract 40.05 (ACS 2020-2024 5-year estimates).

Every census tract in Winnebago 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 Winnebago County, ACS 2020-2024 5-year estimates
Tract 1.0117201000101Machesney Park4,7274,359±567$71,635$141,700$1,02512.7%
Tract 1.0317201000103Machesney Park (86%)2,7292,669±310$64,275$121,600$94917.9%
Tract 1.0417201000104Machesney Park (65%)2,6652,788±643$52,796$105,500$1,17730.3%
Tract 1.0517201000105Machesney Park (97%)4,1613,877±553$69,619$162,900$96613.8%
Tract 217201000200Loves Park3,1523,468±511$45,154$129,500$85823.1%
Tract 317201000300Loves Park (90%)3,7864,141±433$56,776$130,200$1,14026.4%
Tract 4.0117201000401Rockford2,1912,230±273$86,667$133,800$1,1738.2%
Tract 4.0217201000402Rockford (58%)3,0092,838±311$74,375$174,000$1,6259.2%
Tract 4.0317201000403Rockford (85%)4,4384,361±507$77,424$186,500$1,2596.4%
Tract 5.0117201000501Rockford (63%)4,9165,350±872$77,768$154,400$1,0897.9%
Tract 5.0217201000502Rockford3,8624,020±584$52,720$125,400$98122.7%
Tract 5.0617201000506Rockford (55%)4,1664,856±906$112,386$197,600$1,0982.9%
Tract 5.0717201000507Rockford (60%)3,9963,660±478$62,083$210,900$87117.8%
Tract 5.1017201000510Rockford3,1553,495±405$111,138$198,600$1,6695.2%
Tract 5.1117201000511Rockford2,5112,409±371$96,841$204,100$1,2843.2%
Tract 5.1217201000512Rockford (72%)5,3664,547±560$75,781$195,200$1,3686.6%
Tract 5.1317201000513Rockford (55%)4,0224,028±505$73,447$202,400$1,35713.9%
Tract 5.1417201000514Cherry Valley (30%)3,3683,747±497$83,839$200,000$1,1192.3%
Tract 5.1517201000515Rockford2,7272,691±318$74,430$264,400$1,31314.5%
Tract 5.1617201000516Rockford (87%)4,0713,823±450$101,500$216,300$4697.7%
Tract 617201000600Rockford4,2594,697±700$71,250$141,400$1,27514.0%
Tract 717201000700Rockford3,0652,955±374$70,729$154,000$9937.9%
Tract 817201000800Rockford2,8602,839±400$44,167$88,800$94723.6%
Tract 1017201001000Rockford2,0652,202±536$26,583$133,700$83743.1%
Tract 1117201001100Rockford1,2431,303±266$19,203$78,100$52351.6%
Tract 1217201001200Rockford2,1912,776±565$29,659$48,600$94555.3%
Tract 1317201001300Rockford2,1101,874±385$40,727$92,700$76339.2%
Tract 1417201001400Rockford4,1224,024±726$36,372$81,700$98828.2%
Tract 1517201001500Rockford5,4545,468±588$48,129$115,300$87819.8%
Tract 1617201001600Rockford5,5565,534±887$46,964$116,900$1,05112.0%
Tract 1717201001700Rockford3,1172,851±400$56,444$107,800$87918.9%
Tract 1817201001800Rockford4,7624,689±664$31,571$97,200$98430.0%
Tract 1917201001900Rockford (96%)3,4633,284±597$39,347$88,600$1,04626.8%
Tract 2017201002000Rockford2,3661,697±287$42,601$51,700$84625.2%
Tract 2117201002100Rockford1,7801,928±589$32,611$58,200$68346.3%
Tract 2217201002200Rockford (63%)3,5082,815±436$40,655$77,700$1,05915.8%
Tract 23.0117201002301Rockford (65%)2,4102,287±384$29,500$71,400$1,05329.3%
Tract 23.0217201002302Rockford (9%)1,2491,349±206$59,083$98,000$1,02218.2%
Tract 2417201002400Rockford (65%)2,4642,409±425$30,893$71,200$71627.6%
Tract 2517201002500Rockford (99%)2,6262,695±357$40,400$51,800$89744.3%
Tract 2617201002600Rockford2,7363,209±870$17,663$60,400$93961.3%
Tract 2717201002700Rockford2,9932,495±400$43,879$70,100$64431.2%
Tract 2817201002800Rockford1,3881,371±285$36,551$66,800$1,00434.9%
Tract 2917201002900Rockford1,1171,325±175$21,016$198,200$64036.8%
Tract 3017201003000Rockford1,6891,635±271$82,526$154,000$1,0618.7%
Tract 3117201003100Rockford3,7883,118±612$32,228$86,000$90436.1%
Tract 3217201003200Rockford3,0922,329±484$40,714$56,200$1,08937.6%
Tract 3317201003300Rockford3,5424,102±744$47,031$80,100$1,22236.8%
Tract 3417201003400Rockford4,5794,754±629$60,712$83,000$1,15314.7%
Tract 3517201003500Rockford2,3232,547±334$72,773$161,200$99512.6%
Tract 36.0117201003601Rockford (36%)1,5651,824±374$101,700$122,100$9509.1%
Tract 36.0217201003602Rockford (69%)3,9633,533±490$42,138$147,200$84527.0%
Tract 36.0417201003604Rockford3,0802,865±485$53,914$105,900$98622.7%
Tract 36.0517201003605Rockford (95%)1,9631,928±300$34,091$119,600$96826.5%
Tract 36.0617201003606Rockford2,6702,662±411$49,705$113,100$87023.4%
Tract 37.0517201003705Cherry Valley (33%)4,7494,819±441$90,142$220,000$7415.9%
Tract 37.0617201003706Rockford (34%)6,4745,901±494$92,750$184,100$1,2798.7%
Tract 37.0717201003707Rockford (29%)3,5793,596±418$65,248$172,100$8999.2%
Tract 37.0817201003708Rockford (87%)3,0863,593±664$63,485$98,800$1,23212.9%
Tract 37.0917201003709Rockford (97%)1,9071,888±313$42,813$107,400$86117.3%
Tract 37.1017201003710Cherry Valley (26%)2,5512,780±368$82,381$175,300$1,40316.9%
Tract 37.1117201003711Rockford (31%)4,0783,661±470$75,833$168,200$1,13413.6%
Tract 38.0117201003801Roscoe (22%)6,4576,767±507$95,633$230,500$1,6844.0%
Tract 38.0517201003805Machesney Park (68%)7,2846,985±611$74,594$207,100$1,3269.9%
Tract 38.0617201003806Roscoe (31%)5,0905,549±451$122,131$245,200$1,4863.8%
Tract 38.0817201003808Machesney Park (57%)3,5784,002±688$86,902$165,200$1,1126.0%
Tract 38.0917201003809Loves Park4,6494,648±468$53,192$135,800$1,07112.8%
Tract 38.1017201003810Loves Park (77%)6,4955,621±392$92,083$204,500$1,24810.3%
Tract 38.1117201003811Loves Park (73%)1,3601,519±310$107,143$213,700$9361.5%
Tract 39.0117201003901Rockton (38%)4,9835,132±438$121,544$236,600$1,0635.0%
Tract 39.0317201003903Roscoe (16%)6,0955,849±867$123,102$344,700$1,3694.2%
Tract 39.0417201003904Roscoe (60%)4,7624,638±683$84,677$203,600$1,2946.9%
Tract 40.0217201004002Rockton (55%)6,6135,901±535$83,140$205,000$9667.6%
Tract 40.0317201004003South Beloit (53%)2,1022,081±257$57,420$110,300$93913.4%
Tract 40.0417201004004South Beloit (82%)5,8706,157±382$64,740$171,100$94010.1%
Tract 40.0517201004005Rockton (38%)3,1553,337±556$123,618$232,800$2,0915.8%
Tract 4117201004100Durand (25%)5,1535,203±357$86,365$203,800$8793.1%
Tract 4217201004200Winnebago (31%)6,0955,906±309$97,791$212,600$1,0875.6%
Tract 4317201004300Pecatonica (35%)5,0075,024±260$82,396$188,600$1,0984.9%
Tract 980017201980000Rockford25±5not publishednot publishednot published0.0%

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