Census tract · Winnebago County
Census Tract 42, Winnebago County, Illinois
Census Tract 42, GEOID 17201004200, in Winnebago County, Illinois, mostly within Winnebago Township (60% of its census blocks). 5,906 residents in the ACS 2020-2024 5-year estimates (±309); the 2020 Census counted 6,095.
Residents, 2020-2024
5,906
±309 (90% margin)
2020 Census count: 6,095
Median household income
$97,791
±$9,631 (90% margin)
Winnebago County: $65,837
Median home value
$212,600
±$13,318 (90% margin)
Winnebago County: $164,500
Median gross rent
$1,087
±$196 (90% margin)
Winnebago County: $1,021
Where is Census Tract 42?
Census Tract 42 is one of 80 census tracts in Winnebago County, Illinois. It covers 65.62 square miles of land, 93 residents per square mile in 2020. Its GEOID, 17201004200, names it uniquely (how tract numbers and GEOIDs work).
| Place | Share of the tract |
|---|---|
| Winnebago Township | 60% |
| Burritt Township | 40% |
| Winnebago | 31% |
| Rockford | 3% |
| Westlake Village | 2% |
9 census tracts border Census Tract 42: Tract 9607 in Ogle County ($97,399), Tract 9613.02 in Ogle County ($127,801), Tract 23.01 ($29,500), Tract 23.02 ($59,083), Tract 36.01 ($101,700), Tract 37.11 ($75,833), Tract 38.01 ($95,633), Tract 41 ($86,365) and Tract 43 ($82,396). The figure in brackets is each tract's median household income.
Whether a tract counts as low- or moderate-income for bank lending (the Community Reinvestment Act) is set by the FFIEC against its metro area's family income: look it up in the FFIEC census geocoder.
Source: 2024 Gazetteer and 2020 block assignment files, U.S. Census Bureau · Census reference files
How many people live in Census Tract 42?
The 2020-2024 American Community Survey puts Census Tract 42's population at 5,906 (±309) in 2,289 households; the 2020 Census counted 6,095 residents and 2,445 housing units.
| Measure | Tract 42 | Winnebago Township |
|---|---|---|
| Total population | 5,906 ±309 | 4,946 |
| Households | 2,289 ±170 | 1,930 |
| Average household size | 2.57 ±0.15 | 2.55 |
| Housing units | 2,335 ±173 | 1,976 |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); 2020 Census P.L. 94-171 · Check it at data.census.gov
Who lives in Census Tract 42?
The median resident of Census Tract 42 is 46.6 years old; 23.3% are under 18 and 21.2% are 65 or older. The largest group is non-Hispanic white residents at 85.6%, then non-Hispanic residents of two or more races at 6.1%. 3.4% of residents were born outside the United States.
| Measure | Tract 42 | Winnebago Township |
|---|---|---|
| Median age | 46.6 ±3.9 | 42.8 |
| Under 18 years | 23.3% ±2.9 pts | 25.4% |
| 65 years and over | 21.2% ±3.4 pts | 21.3% |
| Hispanic or Latino (any race) | 6.0% ±3.0 pts | 5.1% |
| White alone, not Hispanic | 85.6% ±4.0 pts | 86.1% |
| Black or African American alone, not Hispanic | 0.7% ±0.6 pts | 0.8% |
| Asian alone, not Hispanic | 1.2% ±1.1 pts | 1.0% |
| American Indian and Alaska Native alone, not Hispanic | 0.2% ±0.3 pts | 0.2% |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.0% ±0.6 pts | 0.0% |
| Two or more races, not Hispanic | 6.1% ±2.8 pts | 6.6% |
| Some other race alone, not Hispanic | 0.1% ±0.2 pts | 0.2% |
| Born outside the United States | 3.4% ±1.8 pts | 3.8% |
| Speak a language other than English at home (age 5+) | 6.2% ±2.8 pts | 5.3% |
| Civilian veterans (age 18+) | 6.0% ±2.2 pts | 6.3% |
| With a disability | 11.0% ±2.7 pts | 11.7% |
| No health insurance coverage | 2.0% ±1.3 pts | 1.8% |
| High school graduate or higher (age 25+) | 92.4% ±4.0 pts | 91.3% |
| Bachelor's degree or higher (age 25+) | 31.5% ±4.9 pts | 29.7% |
| Graduate or professional degree (age 25+) | 16.4% ±3.9 pts | 15.3% |
| Lived in the same house a year earlier | 94.1% ±3.1 pts | 92.9% |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profiles DP02, DP05) · Check it at data.census.gov
What do households in Census Tract 42 earn?
Half of the 2,289 households in Census Tract 42 earn less than $97,791 a year (±$9,631), against $65,837 across Winnebago County: 10th highest of the county's 78 tracts with a reliable estimate. 5.6% of residents live below the poverty line.
| Measure | Tract 42 | Winnebago Township |
|---|---|---|
| Median household income | $97,791 ±$9,631 | $94,375 |
| Mean household income | $125,737 ±$18,761 | $122,195 |
| Per capita income | $48,653 ±$6,033 | $47,577 |
| People below the poverty line | 5.6% ±3.4 pts | 6.8% |
| Children under 18 below the poverty line | 11.6% ±8.0 pts | 12.7% |
| Households receiving SNAP | 7.7% ±3.3 pts | 8.0% |
| Households with a computer | 96.2% ±2.8 pts | 96.5% |
| Households with a broadband subscription | 86.4% ±5.7 pts | 84.9% |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov
What does housing cost in Census Tract 42?
Owners occupy 88.6% of Census Tract 42's occupied homes and renters 11.4%. The median owner-occupied home is valued at $212,600 by its owner (±$13,318). The median renter pays $1,087 a month including utilities, and 36.0% of renters pay 35% or more of their income on rent.
| Measure | Tract 42 | Winnebago Township |
|---|---|---|
| Median home value (owner-occupied) | $212,600 ±$13,318 | $203,400 |
| Median gross rent | $1,087 ±$196 | $1,134 |
| Renters paying 35% or more of income on rent | 36.0% ±19.9 pts | 43.8% |
| Median monthly owner costs, with a mortgage | $1,699 ±$108 | $1,759 |
| Owner-occupied homes | 88.6% ±3.8 pts | 88.5% |
| Renter-occupied homes | 11.4% ±3.8 pts | 11.5% |
| Housing units | 2,335 ±173 | 1,976 |
| Single-family detached homes | 94.5% ±2.5 pts | 93.5% |
| Mobile homes | 0.0% ±1.6 pts | 0.0% |
| Built 2020 or later | 0.0% ±1.6 pts | 0.0% |
| Built 2010 to 2019 | 1.6% ±1.5 pts | 1.2% |
| Built 1939 or earlier | 17.0% ±5.9 pts | 17.7% |
| Households with no vehicle | 1.6% ±1.5 pts | 1.9% |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP04) · Check it at data.census.gov
How do people in Census Tract 42 get to work?
81.6% of Census Tract 42's workers drive alone and 8.8% work from home. The average trip to work takes 25.3 minutes. The unemployment rate in 2020-2024 averaged 3.1%.
| Measure | Tract 42 | Winnebago Township |
|---|---|---|
| In the labor force (age 16+) | 66.0% ±4.6 pts | 62.8% |
| Unemployment rate | 3.1% ±1.6 pts | 2.0% |
| Drove alone to work | 81.6% ±4.1 pts | 81.1% |
| Carpooled | 7.8% ±2.7 pts | 8.3% |
| Public transportation | 0.0% ±1.2 pts | 0.0% |
| Walked | 0.8% ±0.8 pts | 1.0% |
| Worked from home | 8.8% ±2.9 pts | 8.3% |
| Mean travel time to work | 25.3 min ±2.5 | 24.7 min |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov
How does Census Tract 42 compare with the other tracts in Winnebago County?
Among Winnebago County's tracts with a reliable estimate, Census Tract 42 ranks as shown below (1 = highest).
| Measure | In Winnebago County |
|---|---|
| Population | 4th of 79 |
| Residents per square mile | 77th of 80 |
| Median household income | 10th of 78 |
| Per capita income | 7th of 78 |
| Median home value | 10th of 78 |
| Median gross rent | 29th of 77 |
| Poverty rate | 63rd of 69 |
| Bachelor's degree or higher | 23rd of 71 |
| Median age | 15th of 79 |
| Owner-occupied share | 9th of 78 |
The tracts next to it on Winnebago County's income ladder
| Tract | Rank | Median household income |
|---|---|---|
| Tract 38.11 | 7th | $107,143±$38,319 · within the margin of this tract |
| Tract 36.01 | 8th | $101,700±$26,481 · within the margin of this tract |
| Tract 5.16 | 9th | $101,500±$39,248 · within the margin of this tract |
| Tract 42 | 10th | $97,791±$9,631 |
| Tract 5.11 | 11th | $96,841±$12,079 · within the margin of this tract |
| Tract 38.01 | 12th | $95,633±$12,688 · within the margin of this tract |
| Tract 37.06 | 13th | $92,750±$18,130 · within the margin of this tract |
"Within the margin": the two incomes differ by less than their combined 90% margins, so the survey cannot say which is higher and the ranks between them are not firm.
Source: PlainCities ranks computed from the American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) · How ranks are computed
How reliable are the figures for Census Tract 42?
2 of the 18 figures for Census Tract 42 on this page carry a coefficient of variation over 40% and are marked with a ring: they come from a small sample, so read them as rough.
A census tract's figures rest on a few hundred sampled households over five years, so its margins are wider than a city's. Two tracts differ only when the gap between them is larger than their combined 90% margin (the square root of the sum of the two squared margins). How to read a margin of error.
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026): margins of error as published · Check it at data.census.gov
How these figures are made: methodology and release checks · reading a margin of error · every state · corrections