Population.us > Counties > Iowa > Louisa County

Population of Louisa County

Last official estimated population of Louisa County was 11,372 (year 2014)[1]. This was 0.004% of total US population and 0.4% of total Iowa state population. Area of Louisa County is 417.5 mi² (=1081.4 km²), in this year population density was 27.24 p/mi². If population growth rate would be same as in period 2010-2014 (-0.03%/yr), Louisa County population in 2024 would be 11,335 [0].


Historical population

Historical population of Louisa 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] +9.87 %/yr
[1850-1860] +7.7 %/yr
[1860-1870] +2.19 %/yr
[1870-1880] +0.2 %/yr
[1880-1890] -1.01 %/yr
[1890-1900] +1.3 %/yr
[1900-1910] -0.5 %/yr
[1910-1920] -0.54 %/yr
[1920-1930] -0.51 %/yr
[1930-1940] -0.17 %/yr
[1940-1950] -0.25 %/yr
[1950-1960] -0.76 %/yr
[1960-1970] +0.37 %/yr
[1970-1980] +1.22 %/yr
[1980-1990] -0.39 %/yr
[1990-2000] +0.5 %/yr
[2000-2005] -0.54 %/yr
[2005-2010] -0.81 %/yr
[2010-2014] -0.03 %/yr

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Demography

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

Age Gr. (M) (F) Total
0 to 4 252 335 587
5 to 9 374 312 686
10 to 14 436 364 800
15 to 19 413 377 790
20 to 24 329 307 636
25 to 29 274 261 535
30 to 34 389 335 724
35 to 39 336 343 679
40 to 44 350 282 632
45 to 49 380 362 742
50 to 54 497 471 968
55 to 59 408 391 799
60 to 64 366 362 728
65 to 69 304 256 560
70 to 74 210 238 448
75 to 79 158 175 333
80 to 84 91 152 243
85+ 95 176 271

Louisa 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 5398 5336 10,734
WA 5325 5286 10,611
NH 4705 4649 9,354
NHWAC 4470 4516 8,986
NHWA 4425 4477 8,902
H 957 850 1,807
HWAC 928 820 1,748
HWA 900 809 1,709
AAC 169 85 254
NHAAC 159 78 237
AA 152 78 230
NHAA 148 72 220
BAC 111 64 175
NHBAC 89 52 141
TOM 78 51 129
IAC 63 57 120
BA 74 42 116
NHBA 64 35 99
NHTOM 47 39 86
NHIAC 34 34 68
IA 24 34 58
HIAC 29 23 52
HTOM 31 12 43
HBAC 22 12 34
NHIA 13 18 31
HIA 11 16 27
NAC 11 11 22
NHNAC 8 10 18
HAAC 10 7 17
HBA 10 7 17
NA 9 8 17
NHNA 8 8 16
HAA 4 6 10
HNAC 3 1 4
HNA 1 0 1

Counties near Louisa County

Rock Island County population 39.5 mi, 64°
Johnson County 35.6 mi, 331°
Muscatine County 19.7 mi, 21°
Des Moines County 21.2 mi, 170°
Washington County 25.5 mi, 287°
Henry County 21.9 mi, 222°
Cedar County 38.8 mi,
Jefferson County 39.7 mi, 248°
Mercer County 26.8 mi, 91°
Henderson County 32.4 mi, 149°


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

Iowa Notes

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