Population.us > Counties > Iowa > Floyd County

Population of Floyd County

Last official estimated population of Floyd County was 16,318 (year 2014)[1]. This was 0.005% of total US population and 0.5% of total Iowa state population. Area of Floyd County is 501.4 mi² (=1298.6 km²), in this year population density was 32.55 p/mi². If population growth rate would be same as in period 2010-2014 (+0.02%/yr), Floyd County population in 2024 would be 16,356 [0].


Historical population

Historical population of Floyd County for period 1860-2014 [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

[1860-1870] +11.14 %/yr
[1870-1880] +3.15 %/yr
[1880-1890] +0.5 %/yr
[1890-1900] +1.42 %/yr
[1900-1910] -0.36 %/yr
[1910-1920] +0.97 %/yr
[1920-1930] +0.35 %/yr
[1930-1940] +0.33 %/yr
[1940-1950] +0.64 %/yr
[1950-1960] -0.19 %/yr
[1960-1970] -0.6 %/yr
[1970-1980] -0.13 %/yr
[1980-1990] -1.38 %/yr
[1990-2000] -0.09 %/yr
[2000-2005] -0.45 %/yr
[2005-2010] -0.26 %/yr
[2010-2014] +0.02 %/yr

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Demography

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

Age Gr. (M) (F) Total
0 to 4 454 462 916
5 to 9 529 533 1,062
10 to 14 555 546 1,101
15 to 19 509 501 1,010
20 to 24 477 452 929
25 to 29 388 405 793
30 to 34 438 385 823
35 to 39 407 418 825
40 to 44 455 459 914
45 to 49 476 492 968
50 to 54 589 578 1,167
55 to 59 568 557 1,125
60 to 64 542 573 1,115
65 to 69 447 478 925
70 to 74 393 388 781
75 to 79 276 328 604
80 to 84 176 264 440
85+ 220 359 579

Floyd 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
NH 7716 7989 15,705
WAC 7581 7833 15,414
WA 7516 7760 15,276
NHWAC 7426 7664 15,090
NHWA 7365 7597 14,962
BAC 188 223 411
NHBAC 181 218 399
H 183 189 372
BA 149 179 328
HWAC 155 169 324
NHBA 145 177 322
HWA 151 163 314
AAC 149 148 297
NHAAC 141 140 281
AA 135 132 267
NHAA 127 125 252
TOM 66 78 144
NHTOM 62 72 134
IAC 43 48 91
NHIAC 27 34 61
IA 27 25 52
HIAC 16 14 30
HIA 15 11 26
NHIA 12 14 26
HAAC 8 8 16
HAA 8 7 15
NAC 7 6 13
HBAC 7 5 12
NHNAC 6 6 12
NA 6 4 10
HTOM 4 6 10
NHNA 5 4 9
HBA 4 2 6
HNAC 1 0 1
HNA 1 0 1

Counties near Floyd County

Cerro Gordo County population 23.5 mi, 273°
Mower County 42.4 mi,
Bremer County 29.9 mi, 128°
Butler County 22 mi, 179°
Grundy County 44.9 mi, 180°
Chickasaw County 23.7 mi, 88°
Mitchell County 20.4 mi,
Franklin County 32.8 mi, 228°
Howard County 31.9 mi, 47°
Worth County 32.1 mi, 313°


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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