Population.us > Counties > Illinois > Washington County

Population of Washington County

Last official estimated population of Washington County was 14,699 (year 2014)[1]. This was 0.005% of total US population and 0.1% of total Illinois state population. Area of Washington County is 563.9 mi² (=1460.5 km²), in this year population density was 26.07 p/mi². If population growth rate would be same as in period 2010-2014 (-0.03%/yr), Washington County population in 2024 would be 14,657 [0].


Historical population

Historical population of Washington County for period 1820-2014 [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

[1820-1830] +1 %/yr
[1830-1840] +11.13 %/yr
[1840-1850] +3.75 %/yr
[1850-1860] +7.04 %/yr
[1860-1870] +2.51 %/yr
[1870-1880] +1.84 %/yr
[1880-1890] -0.91 %/yr
[1890-1900] +0.14 %/yr
[1900-1910] -0.4 %/yr
[1910-1920] -0.39 %/yr
[1920-1930] -1.01 %/yr
[1930-1940] -0.3 %/yr
[1940-1950] -0.88 %/yr
[1950-1960] -0.63 %/yr
[1960-1970] +0.15 %/yr
[1970-1980] +1.16 %/yr
[1980-1990] -0.33 %/yr
[1990-2000] +0.12 %/yr
[2000-2005] -0.27 %/yr
[2005-2010] -0.32 %/yr
[2010-2014] -0.03 %/yr

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Demography

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

Age Gr. (M) (F) Total
0 to 4 306 336 642
5 to 9 436 455 891
10 to 14 466 444 910
15 to 19 437 399 836
20 to 24 399 401 800
25 to 29 443 381 824
30 to 34 459 398 857
35 to 39 430 430 860
40 to 44 434 419 853
45 to 49 455 451 906
50 to 54 595 600 1,195
55 to 59 604 556 1,160
60 to 64 533 439 972
65 to 69 385 370 755
70 to 74 264 341 605
75 to 79 217 259 476
80 to 84 152 196 348
85+ 162 285 447

Washington 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
WAC 7053 7070 14,123
NH 7061 7050 14,111
WA 6988 7015 14,003
NHWAC 6944 6971 13,915
NHWA 6879 6916 13,795
H 116 110 226
HWAC 109 99 208
HWA 109 99 208
BAC 122 79 201
NHBAC 118 72 190
TOM 73 57 130
NHTOM 73 57 130
BA 75 45 120
NHBA 71 38 109
AAC 37 39 76
NHAAC 36 38 74
IAC 35 23 58
NHIAC 33 20 53
AA 23 29 52
NHAA 22 28 50
IA 13 8 21
NHIA 11 5 16
NAC 5 8 13
NHNAC 5 8 13
NHNA 5 6 11
NA 5 6 11
HBAC 4 7 11
HBA 4 7 11
HIA 2 3 5
HIAC 2 3 5
HAA 1 1 2
HAAC 1 1 2
HNAC 0 0 0
HTOM 0 0 0
HNA 0 0 0

Counties near Washington County

St. Clair County population 28.8 mi, 286°
Jackson County 39.2 mi, 177°
Franklin County 36.5 mi, 133°
Marion County 33.7 mi, 52°
Jefferson County 27 mi, 97°
Clinton County 17.5 mi, 358°
Randolph County 30 mi, 226°
Monroe County 41.6 mi, 262°
Perry County 18.8 mi, 171°
Bond County 36.8 mi, 358°


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

*Randolph, St. Clair Illinois Notes

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