Population.us > Counties > Illinois > Winnebago County

Population of Winnebago County

Last official estimated population of Winnebago County was 295,151 (year 2014)[1]. This was 0.093% of total US population and 2.3% of total Illinois state population. Area of Winnebago County is 519.3 mi² (=1344.9 km²), in this year population density was 568.42 p/mi². If population growth rate would be same as in period 2010-2014 (-0.01%/yr), Winnebago County population in 2024 would be 294,864 [0].


Historical population

Historical population of Winnebago County for period 1840-2014 [1] , [2] , [3]:

Maps: Population, population density, population changes

Estimated population for 2014[1]. Population density is in p./sq.mi [4]. Changes are for period 2010-2015. Value is %/year. Boundary lines are approx. 2012 [5]. Click on flag to hide it.

PopulationDensityChangesLegendsPosition

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Annual growth rate

[1840-1850] +9.83 %/yr
[1850-1860] +7.6 %/yr
[1860-1870] +1.81 %/yr
[1870-1880] +0.4 %/yr
[1880-1890] +2.73 %/yr
[1890-1900] +1.82 %/yr
[1900-1910] +2.81 %/yr
[1910-1920] +3.71 %/yr
[1920-1930] +2.59 %/yr
[1930-1940] +0.32 %/yr
[1940-1950] +2.32 %/yr
[1950-1960] +3.25 %/yr
[1960-1970] +1.63 %/yr
[1970-1980] +0.17 %/yr
[1980-1990] +0.08 %/yr
[1990-2000] +0.97 %/yr
[2000-2005] +0.55 %/yr
[2005-2010] +0.63 %/yr
[2010-2014] -0.01 %/yr

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Demography

Population of Winnebago County by age groups male (M) and female (F)[1b]

Age Gr. (M) (F) Total
0 to 4 9066 8797 17,863
5 to 9 9802 9305 19,107
10 to 14 10128 9669 19,797
15 to 19 9523 9193 18,716
20 to 24 9121 9205 18,326
25 to 29 8550 8906 17,456
30 to 34 8614 9169 17,783
35 to 39 8338 8627 16,965
40 to 44 9226 9335 18,561
45 to 49 9301 9594 18,895
50 to 54 10686 10779 21,465
55 to 59 10045 10460 20,505
60 to 64 8693 9296 17,989
65 to 69 6938 7699 14,637
70 to 74 4991 5754 10,745
75 to 79 3324 4207 7,531
80 to 84 2307 3378 5,685
85+ 2150 4366 6,516

Winnebago County resident population estimates by Sex, Race, and Hispanic Origin[1b]. For full list of abbrevations see: population.us/about page.

Race Male Female Total
NH 123120 130748 253,868
WAC 118374 123395 241,769
WA 114932 119826 234,758
NHWAC 102090 107798 209,888
NHWA 99384 104933 204,317
BAC 20017 21737 41,754
NHBAC 18886 20594 39,480
BA 17811 19361 37,172
NHBA 17077 18616 35,693
H 17683 16991 34,674
HWAC 16284 15597 31,881
HWA 15548 14893 30,441
AAC 4413 4761 9,174
NHAAC 4203 4566 8,769
AA 3626 3948 7,574
TOM 3631 3793 7,424
NHAA 3503 3842 7,345
NHTOM 2870 3056 5,926
IAC 1654 1692 3,346
HBAC 1131 1143 2,274
NHIAC 843 919 1,762
HIAC 811 773 1,584
HTOM 761 737 1,498
HBA 734 745 1,479
IA 737 738 1,475
HIA 490 473 963
NHIA 247 265 512
HAAC 210 195 405
NAC 176 170 346
NHNAC 121 111 232
HAA 123 106 229
NA 66 73 139
HNAC 55 59 114
NHNA 39 36 75
HNA 27 37 64

Counties near Winnebago County

McHenry County population 36.2 mi, 91°
Rock County 23.4 mi, 10°
DeKalb County 36.6 mi, 146°
Walworth County 39 mi, 54°
Boone County 17.3 mi, 94°
Ogle County 22 mi, 201°
Stephenson County 25.8 mi, 271°
Green County 32.5 mi, 315°
Lee County 41.4 mi, 189°
Carroll County 43.2 mi, 244°


Sources, notices

[0] Calculated by population.us from last known population growth rate, not official data.

[1] County population - 2014, archived from the original, retrieved 02/23/2016

[1b] Annual County Resident Population Estimates by Age, Sex, Race, and Hispanic Origin, (used only data for 2014) archived from the original, retrieved 02/23/2016

[2] County population - 2000-2010, archived from the original, retrieved 02/23/2016

[3] Population of States and Counties of the United States: 1790 to 1992, PDF, 15 Mb, census.gov, retrieved 02/23/2016

[4] County area, latitude longitude data, retrieved 02/23/2016

[5] County boundaries, CSV files on boundaries.us, retrived 03/18/2016

*Putnam, Jo Daviess Illinois Notes

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