Last official estimated population of Boone County was 54,144 (year 2014)[1]. This was 0.017% of total US population and 0.4% of total Illinois state population. Area of Boone County is 282.0 mi² (=730.4 km²), in this year population density was 191.98 p/mi². If population growth rate would be same as in period 2010-2014 (-0.01%/yr), Boone County population in 2024 would be 54,092 [0].
Historical population of Boone County for period 1840-2014 [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
[1840-1850] +16.16 %/yr
[1850-1860] +4.36 %/yr
[1860-1870] +1.03 %/yr
[1870-1880] -1.17 %/yr
[1880-1890] +0.59 %/yr
[1890-1900] +2.61 %/yr
[1900-1910] -0.2 %/yr
[1910-1920] -0.1 %/yr
[1920-1930] -0.16 %/yr
[1930-1940] +0.08 %/yr
[1940-1950] +1.17 %/yr
[1950-1960] +1.76 %/yr
[1960-1970] +2.27 %/yr
[1970-1980] +1.19 %/yr
[1980-1990] +0.74 %/yr
[1990-2000] +3.1 %/yr
[2000-2005] +3.54 %/yr
[2005-2010] +1.73 %/yr
[2010-2014] -0.01 %/yr
Looking for settlements in Boone County? Visit this page: Settlements in Boone County, IL
Population of Boone County by age groups male (M) and female (F)[1b]
Age Gr. | (M) | (F) | Total |
0 to 4 | 1528 | 1547 | 3,075 |
5 to 9 | 1977 | 1911 | 3,888 |
10 to 14 | 2247 | 2212 | 4,459 |
15 to 19 | 2124 | 2047 | 4,171 |
20 to 24 | 1803 | 1573 | 3,376 |
25 to 29 | 1358 | 1287 | 2,645 |
30 to 34 | 1442 | 1544 | 2,986 |
35 to 39 | 1643 | 1684 | 3,327 |
40 to 44 | 1951 | 2003 | 3,954 |
45 to 49 | 2019 | 2014 | 4,033 |
50 to 54 | 2047 | 1917 | 3,964 |
55 to 59 | 1738 | 1748 | 3,486 |
60 to 64 | 1473 | 1490 | 2,963 |
65 to 69 | 1221 | 1316 | 2,537 |
70 to 74 | 980 | 1050 | 2,030 |
75 to 79 | 629 | 710 | 1,339 |
80 to 84 | 369 | 463 | 832 |
85+ | 277 | 527 | 804 |
Boone 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 | 25520 | 25734 | 51,254 |
WA | 24942 | 25221 | 50,163 |
NH | 21091 | 21698 | 42,789 |
NHWAC | 20090 | 20665 | 40,755 |
NHWA | 19737 | 20359 | 40,096 |
H | 5735 | 5345 | 11,080 |
HWAC | 5430 | 5069 | 10,499 |
HWA | 5205 | 4862 | 10,067 |
BAC | 960 | 887 | 1,847 |
NHBAC | 791 | 731 | 1,522 |
BA | 744 | 685 | 1,429 |
NHBA | 644 | 591 | 1,235 |
TOM | 599 | 537 | 1,136 |
AAC | 446 | 519 | 965 |
IAC | 476 | 421 | 897 |
NHAAC | 395 | 470 | 865 |
AA | 326 | 416 | 742 |
NHTOM | 366 | 324 | 690 |
NHAA | 293 | 381 | 674 |
HIAC | 302 | 266 | 568 |
HTOM | 233 | 213 | 446 |
IA | 188 | 161 | 349 |
NHIAC | 174 | 155 | 329 |
HBAC | 169 | 156 | 325 |
HIA | 143 | 126 | 269 |
HBA | 100 | 94 | 194 |
HAAC | 51 | 49 | 100 |
NAC | 43 | 39 | 82 |
NHIA | 45 | 35 | 80 |
HAA | 33 | 35 | 68 |
NA | 27 | 23 | 50 |
HNAC | 25 | 21 | 46 |
HNA | 21 | 15 | 36 |
NHNAC | 18 | 18 | 36 |
NHNA | 6 | 8 | 14 |
• Kane County population
33.2 mi, 142°
• McHenry County
19 mi, 88°
• Winnebago County
17.3 mi, 274°
• Rock County
27.4 mi, 332°
• DeKalb County
29.5 mi, 174°
• Walworth County
28.1 mi, 30°
• Ogle County
31.8 mi, 232°
• Stephenson County
43 mi, 272°
• Green County
46.8 mi, 301°
• Lee County
46.4 mi, 211°
[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 Illinois Notes
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