Last official estimated population of Union County was 17,760 (year 2014)[1]. This was 0.006% of total US population and 0.1% of total Illinois state population. Area of Union County is 422.1 mi² (=1093.4 km²), in this year population density was 42.07 p/mi². If population growth rate would be same as in period 2010-2014 (-0.07%/yr), Union County population in 2024 would be 17,641 [0].
Historical population of Union County for period 1820-2014 [1] , [2] , [3]:
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.
Population • Density • Changes • Legends • Position
[1820-1830] +3.21 %/yr
[1830-1840] +5.48 %/yr
[1840-1850] +3.26 %/yr
[1850-1860] +3.92 %/yr
[1860-1870] +3.98 %/yr
[1870-1880] +0.92 %/yr
[1880-1890] +1.76 %/yr
[1890-1900] +0.48 %/yr
[1900-1910] -0.34 %/yr
[1910-1920] -0.76 %/yr
[1920-1930] -0.18 %/yr
[1930-1940] +0.8 %/yr
[1940-1950] -0.49 %/yr
[1950-1960] -1.49 %/yr
[1960-1970] -0.93 %/yr
[1970-1980] +1.01 %/yr
[1980-1990] -0.08 %/yr
[1990-2000] +0.39 %/yr
[2000-2005] -0.26 %/yr
[2005-2010] -0.29 %/yr
[2010-2014] -0.07 %/yr
Looking for settlements in Union County? Visit this page: Settlements in Union County, IL
Population of Union County by age groups male (M) and female (F)[1b]
Age Gr. | (M) | (F) | Total |
0 to 4 | 476 | 448 | 924 |
5 to 9 | 517 | 487 | 1,004 |
10 to 14 | 564 | 552 | 1,116 |
15 to 19 | 492 | 440 | 932 |
20 to 24 | 525 | 502 | 1,027 |
25 to 29 | 532 | 483 | 1,015 |
30 to 34 | 482 | 446 | 928 |
35 to 39 | 481 | 473 | 954 |
40 to 44 | 531 | 552 | 1,083 |
45 to 49 | 561 | 548 | 1,109 |
50 to 54 | 688 | 661 | 1,349 |
55 to 59 | 649 | 690 | 1,339 |
60 to 64 | 611 | 583 | 1,194 |
65 to 69 | 524 | 556 | 1,080 |
70 to 74 | 410 | 460 | 870 |
75 to 79 | 333 | 362 | 695 |
80 to 84 | 169 | 224 | 393 |
85+ | 157 | 278 | 435 |
Union 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 | 8469 | 8581 | 17,050 |
WA | 8339 | 8469 | 16,808 |
NH | 8190 | 8360 | 16,550 |
NHWAC | 8000 | 8224 | 16,224 |
NHWA | 7899 | 8118 | 16,017 |
H | 512 | 385 | 897 |
HWAC | 469 | 357 | 826 |
HWA | 440 | 351 | 791 |
BAC | 194 | 131 | 325 |
NHBAC | 176 | 120 | 296 |
TOM | 145 | 123 | 268 |
NHTOM | 114 | 116 | 230 |
IAC | 124 | 103 | 227 |
BA | 117 | 69 | 186 |
NHBA | 113 | 63 | 176 |
NHIAC | 73 | 81 | 154 |
IA | 68 | 49 | 117 |
AAC | 56 | 52 | 108 |
NHAAC | 50 | 50 | 100 |
HIAC | 51 | 22 | 73 |
NHIA | 33 | 30 | 63 |
AA | 32 | 30 | 62 |
NHAA | 30 | 28 | 58 |
HIA | 35 | 19 | 54 |
HTOM | 31 | 7 | 38 |
HBAC | 18 | 11 | 29 |
NAC | 6 | 7 | 13 |
NHNAC | 5 | 7 | 12 |
HBA | 4 | 6 | 10 |
HAAC | 6 | 2 | 8 |
NA | 1 | 5 | 6 |
NHNA | 1 | 5 | 6 |
HAA | 2 | 2 | 4 |
HNAC | 1 | 0 | 1 |
HNA | 0 | 0 | 0 |
• Cape Girardeau County population
25.2 mi, 253°
• Williamson County
24.1 mi, 45°
• Jackson County
22.1 mi, 340°
• Scott County
35.1 mi, 210°
• Perry County
34.3 mi, 297°
• Massac County
35 mi, 122°
• Johnson County
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• Ballard County
32.7 mi, 156°
• Alexander County
21.6 mi, 195°
• Pulaski County
19.7 mi, 161°
[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 Illinois Notes
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