Population.us > Counties > Iowa > Plymouth County

Population of Plymouth County

Last official estimated population of Plymouth County was 24,977 (year 2014)[1]. This was 0.008% of total US population and 0.8% of total Iowa state population. Area of Plymouth County is 863.7 mi² (=2236.9 km²), in this year population density was 28.92 p/mi². If population growth rate would be same as in period 2010-2014 (-0.01%/yr), Plymouth County population in 2018 would be 24,968 [0].


Historical population

Historical population of Plymouth 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] +30.98 %/yr
[1870-1880] +14.57 %/yr
[1880-1890] +8.61 %/yr
[1890-1900] +1.27 %/yr
[1900-1910] +0.41 %/yr
[1910-1920] +0.2 %/yr
[1920-1930] +0.24 %/yr
[1930-1940] -0.28 %/yr
[1940-1950] -0.11 %/yr
[1950-1960] +0.28 %/yr
[1960-1970] +0.17 %/yr
[1970-1980] +0.18 %/yr
[1980-1990] -0.56 %/yr
[1990-2000] +0.61 %/yr
[2000-2005] +0.1 %/yr
[2005-2010] +0 %/yr
[2010-2014] -0.01 %/yr

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Demography

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

Age Gr. (M) (F) Total
0 to 4 740 720 1,460
5 to 9 894 896 1,790
10 to 14 955 854 1,809
15 to 19 898 859 1,757
20 to 24 640 638 1,278
25 to 29 573 542 1,115
30 to 34 695 695 1,390
35 to 39 733 718 1,451
40 to 44 734 722 1,456
45 to 49 830 739 1,569
50 to 54 906 946 1,852
55 to 59 967 966 1,933
60 to 64 845 782 1,627
65 to 69 622 648 1,270
70 to 74 467 522 989
75 to 79 334 411 745
80 to 84 289 392 681
85+ 237 465 702

Plymouth 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 12126 12307 24,433
WA 12016 12170 24,186
NH 11836 12030 23,866
NHWAC 11646 11859 23,505
NHWA 11548 11738 23,286
H 523 485 1,008
HWAC 480 448 928
HWA 468 432 900
TOM 115 144 259
BAC 128 117 245
NHTOM 102 127 229
NHBAC 121 107 228
AAC 98 116 214
IAC 103 104 207
NHAAC 91 112 203
AA 68 77 145
NHAA 62 74 136
BA 79 55 134
NHIAC 65 69 134
NHBA 77 52 129
IA 66 55 121
HIAC 38 35 73
NHIA 36 30 66
HIA 30 25 55
NAC 22 20 42
NHNAC 17 15 32
HTOM 13 17 30
NA 15 14 29
NHNA 11 9 20
HBAC 7 10 17
HAAC 7 4 11
HNAC 5 5 10
HAA 6 3 9
HNA 4 5 9
HBA 2 3 5

Counties near Plymouth County

Woodbury County population 25.2 mi, 160°
Sioux County 23.9 mi,
Dakota County 29.7 mi, 216°
Union County 23 mi, 286°
O'Brien County 38.3 mi, 51°
Clay County 40.7 mi, 287°
Cherokee County 29.6 mi, 89°
Ida County 43.2 mi, 123°
Thurston County 43.5 mi, 201°
Dixon County 36.9 mi, 241°


Sources, notices

[0] Calculated by population.us from last known population growth rate, not official data.

[1] County population - 2014, retrieved 02/23/2016

[1b] Annual County Resident Population Estimates by Age, Sex, Race, and Hispanic Origin, (used only data for 2014) retrieved 02/23/2016

[2] County population - 2000-2010, 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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