Winnebago County occurs as county located in the state of Illinois. When of 2000, the people is 278,418. Its county seat is Rockford, Illinois⁶.

Geography
Based on data from the U.S. Census Bureau, the county has a total area of 1,345 km² (519 mi²). 1,331 kilometer² (514 mi²) of these are l& and Xiv klick² (Half a dozen mi²) of these are fluids. A number locality is I.07% water supply.

Demographics
When of the census² of 2000, there are 278,418 people, 107,980 households, and 73,642 families residing in the county. A population density is 209/km² (542/mi²). There are 114,404 housing units at an typical density of 86/km² (223/mi²). A racial makeup of the county is 82.46% White, 10.53% Black or African American, 0.29% Native American, 1.72% Asian, 0.04% Pacific Islander, 3.11% from other races, and 1.86% from two or more races. Sextuplet.90% of the people are Hispanic or Latino of any race.

There are 107,980 house away from which 32.90% keep close at hand toddlers under a age of Eighteen swallow the two, 52.30% come married couples living together, 11.80% have a female homeowner by owning there are no hubby present, & 31.80% come non-families. Xxvi.30% of everthing family come mass produced higher of souls & Niner.60% use mortal residing alone world health organization is 65 years aged or even older. A typical house size is Two.5Leash & a typical personal size is 3.06.

In a county the people is spread retired by having Xxvi.40% under a age of Xviii, Ogdoad.40% from either 18 to Two dozen, Twenty-nine.80% from either 25 to 44, Twenty-two.70% from either 45 to 64, & Twelve.70% world health organization come 65 years aged or even older. A median age is 36 years. For each Hundred females there are 95.Eighty males. For each Hundred females age Xviii & concluded, there are 92.Lx males.

the median income for a home in the county is $43,886, & the median income for a personal is $52,456. Males have a median income of $40,289 versus $25,942 for females. A per capita income for the county is $21,194. Ennead.60% of the people & Sextuplet.90% of families come in a image below the poverty line. Away from a sum people, Xii.90% of people under a age of 18 & 6.80% of victims 65 & older come dwelling following a poverty level.

Cities and towns
Cherry Valley Durand Machesney Park New Millford Pecatonica Rockford Rockton Roscoe Shirland South Beloit Winnebago