Population.us > Counties > Illinois > Williamson County

Population of Williamson County

Last official estimated population of Williamson County was 66,433 (year 2014)[1]. This was 0.021% of total US population and 0.5% of total Illinois state population. Area of Williamson County is 444.4 mi² (=1150.9 km²), in this year population density was 149.51 p/mi². If population growth rate would be same as in period 2010-2014 (+0.03%/yr), Williamson County population in 2024 would be 66,623 [0].


Historical population

Historical population of Williamson 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] +4.94 %/yr
[1850-1860] +5.4 %/yr
[1860-1870] +3.57 %/yr
[1870-1880] +1.1 %/yr
[1880-1890] +1.41 %/yr
[1890-1900] +2.26 %/yr
[1900-1910] +4.96 %/yr
[1910-1920] +3.08 %/yr
[1920-1930] -1.25 %/yr
[1930-1940] -0.47 %/yr
[1940-1950] -0.56 %/yr
[1950-1960] -0.53 %/yr
[1960-1970] +0.61 %/yr
[1970-1980] +1.44 %/yr
[1980-1990] +0.21 %/yr
[1990-2000] +0.6 %/yr
[2000-2005] +0.83 %/yr
[2005-2010] +0.77 %/yr
[2010-2014] +0.03 %/yr

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Demography

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

Age Gr. (M) (F) Total
0 to 4 2039 1908 3,947
5 to 9 2123 1999 4,122
10 to 14 2136 2043 4,179
15 to 19 1886 1788 3,674
20 to 24 1981 1966 3,947
25 to 29 2274 2139 4,413
30 to 34 2267 2203 4,470
35 to 39 2246 1990 4,236
40 to 44 2225 2147 4,372
45 to 49 2154 2020 4,174
50 to 54 2395 2446 4,841
55 to 59 2317 2363 4,680
60 to 64 2023 2121 4,144
65 to 69 1809 2018 3,827
70 to 74 1367 1617 2,984
75 to 79 965 1212 2,177
80 to 84 602 834 1,436
85+ 461 924 1,385

Williamson 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 32388 33018 65,406
WAC 31070 32063 63,133
WA 30573 31573 62,146
NHWAC 30285 31417 61,702
NHWA 29811 30952 60,763
BAC 2016 1469 3,485
NHBAC 1956 1417 3,373
BA 1715 1173 2,888
NHBA 1666 1135 2,801
H 882 720 1,602
HWAC 785 646 1,431
HWA 762 621 1,383
TOM 522 521 1,043
NHTOM 497 496 993
AAC 391 451 842
NHAAC 379 449 828
AA 285 353 638
NHAA 280 351 631
IAC 296 265 561
NHIAC 248 222 470
IA 164 109 273
NHIA 126 78 204
HBAC 60 52 112
HIAC 48 43 91
HBA 49 38 87
HIA 38 31 69
NAC 30 26 56
NHNAC 27 23 50
HTOM 25 25 50
NA 11 9 20
HAAC 12 2 14
NHNA 8 6 14
HAA 5 2 7
HNAC 3 3 6
HNA 3 3 6

Counties near Williamson County

Jackson County population 24.9 mi, 278°
Franklin County 18.1 mi,
Saline County 21.1 mi, 85°
Perry County 34.2 mi, 315°
Union County 24.1 mi, 225°
Massac County 37.6 mi, 160°
Johnson County 18.8 mi, 171°
Hamilton County 32.5 mi, 41°
Pulaski County 37.2 mi, 196°
Pope County 30.3 mi, 135°


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

*Franklin Illinois Notes

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