Last official estimated population of Iowa County was 23,662 (year 2014)[1]. This was 0.007% of total US population and 0.4% of total Wisconsin state population. Area of Iowa County is 768.1 mi² (=1989.3 km²), in this year population density was 30.81 p/mi². If population growth rate would be same as in period 2010-2014 (-0.03%/yr), Iowa County population in 2024 would be 23,600 [0].
Historical population of Iowa County for period 1830-2014 [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
[1830-1840] +9.62 %/yr
[1840-1850] +9.12 %/yr
[1850-1860] +7.13 %/yr
[1860-1870] +2.61 %/yr
[1870-1880] -0.38 %/yr
[1880-1890] -0.66 %/yr
[1890-1900] +0.44 %/yr
[1900-1910] -0.27 %/yr
[1910-1920] -0.45 %/yr
[1920-1930] -0.7 %/yr
[1930-1940] +0.27 %/yr
[1940-1950] -0.49 %/yr
[1950-1960] +0.01 %/yr
[1960-1970] -0.17 %/yr
[1970-1980] +0.25 %/yr
[1980-1990] +0.17 %/yr
[1990-2000] +1.24 %/yr
[2000-2005] +0.53 %/yr
[2005-2010] +0.24 %/yr
[2010-2014] -0.03 %/yr
Looking for settlements in Iowa County? Visit this page: Settlements in Iowa County, WI
Population of Iowa County by age groups male (M) and female (F)[1b]
Age Gr. | (M) | (F) | Total |
0 to 4 | 705 | 708 | 1,413 |
5 to 9 | 812 | 771 | 1,583 |
10 to 14 | 811 | 799 | 1,610 |
15 to 19 | 755 | 698 | 1,453 |
20 to 24 | 588 | 553 | 1,141 |
25 to 29 | 595 | 586 | 1,181 |
30 to 34 | 697 | 694 | 1,391 |
35 to 39 | 687 | 660 | 1,347 |
40 to 44 | 731 | 713 | 1,444 |
45 to 49 | 823 | 839 | 1,662 |
50 to 54 | 978 | 983 | 1,961 |
55 to 59 | 994 | 968 | 1,962 |
60 to 64 | 872 | 828 | 1,700 |
65 to 69 | 681 | 678 | 1,359 |
70 to 74 | 472 | 433 | 905 |
75 to 79 | 279 | 373 | 652 |
80 to 84 | 251 | 295 | 546 |
85+ | 168 | 347 | 515 |
Iowa 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 | 11736 | 11745 | 23,481 |
NH | 11677 | 11723 | 23,400 |
WA | 11630 | 11630 | 23,260 |
NHWAC | 11525 | 11553 | 23,078 |
NHWA | 11425 | 11445 | 22,870 |
H | 222 | 203 | 425 |
HWAC | 211 | 192 | 403 |
HWA | 205 | 185 | 390 |
TOM | 117 | 121 | 238 |
BAC | 114 | 114 | 228 |
NHTOM | 111 | 114 | 225 |
NHBAC | 110 | 107 | 217 |
AAC | 86 | 115 | 201 |
NHAAC | 78 | 109 | 187 |
AA | 60 | 92 | 152 |
IAC | 72 | 66 | 138 |
NHAA | 52 | 86 | 138 |
NHIAC | 67 | 62 | 129 |
BA | 65 | 59 | 124 |
NHBA | 62 | 55 | 117 |
IA | 23 | 17 | 40 |
NHIA | 23 | 16 | 39 |
NAC | 13 | 11 | 24 |
NHNAC | 13 | 10 | 23 |
HAAC | 8 | 6 | 14 |
HAA | 8 | 6 | 14 |
HTOM | 6 | 7 | 13 |
NA | 4 | 7 | 11 |
NHNA | 4 | 7 | 11 |
HBAC | 4 | 7 | 11 |
HIAC | 5 | 4 | 9 |
HBA | 3 | 4 | 7 |
HNAC | 0 | 1 | 1 |
HIA | 0 | 1 | 1 |
HNA | 0 | 0 | 0 |
• Dane County population
36.4 mi, 82°
• Sauk County
31 mi, 18°
• Columbia County
51.9 mi, 51°
• Grant County
29.8 mi, 252°
• Stephenson County
50.9 mi, 152°
• Green County
35 mi, 130°
• Jo Daviess County
44.3 mi, 185°
• Richland County
30.1 mi, 329°
• Lafayette County
23.9 mi, 179°
• Crawford County
44.7 mi, 292°
[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
*Crawford Wisconsin Notes
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