Population.us > Counties > Iowa > Marion County

Population of Marion County

Last official estimated population of Marion County was 33,248 (year 2014)[1]. This was 0.01% of total US population and 1.1% of total Iowa state population. Area of Marion County is 570.5 mi² (=1477.6 km²), in this year population density was 58.28 p/mi². If population growth rate would be same as in period 2010-2014 (-0.05%/yr), Marion County population in 2024 would be 33,096 [0].


Historical population

Historical population of Marion County for period 1850-2014 [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

[1850-1860] +11.86 %/yr
[1860-1870] +3.81 %/yr
[1870-1880] +0.27 %/yr
[1880-1890] -0.85 %/yr
[1890-1900] +0.47 %/yr
[1900-1910] -0.49 %/yr
[1910-1920] +0.82 %/yr
[1920-1930] +0.3 %/yr
[1930-1940] +0.49 %/yr
[1940-1950] -0.41 %/yr
[1950-1960] -0.02 %/yr
[1960-1970] +0.18 %/yr
[1970-1980] +1.19 %/yr
[1980-1990] +0.11 %/yr
[1990-2000] +0.66 %/yr
[2000-2005] +0.45 %/yr
[2005-2010] +0.32 %/yr
[2010-2014] -0.05 %/yr

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Demography

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

Age Gr. (M) (F) Total
0 to 4 1022 1004 2,026
5 to 9 1216 1101 2,317
10 to 14 1231 1085 2,316
15 to 19 1257 1284 2,541
20 to 24 1240 1179 2,419
25 to 29 888 803 1,691
30 to 34 964 956 1,920
35 to 39 992 919 1,911
40 to 44 971 960 1,931
45 to 49 1019 1010 2,029
50 to 54 1223 1182 2,405
55 to 59 1174 1134 2,308
60 to 64 1035 1030 2,065
65 to 69 782 828 1,610
70 to 74 603 676 1,279
75 to 79 446 563 1,009
80 to 84 341 454 795
85+ 259 534 793

Marion 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 16349 16386 32,735
WAC 16162 16290 32,452
WA 16007 16127 32,134
NHWAC 15881 15999 31,880
NHWA 15741 15843 31,584
H 314 316 630
HWAC 281 291 572
HWA 266 284 550
AAC 268 275 543
NHAAC 261 274 535
BAC 286 195 481
AA 235 238 473
NHAA 232 238 470
NHBAC 268 184 452
BA 214 123 337
TOM 164 169 333
NHBA 199 115 314
NHTOM 148 162 310
IAC 115 98 213
NHIAC 92 79 171
IA 42 39 81
NHIA 28 23 51
HIAC 23 19 42
HIA 14 16 30
HBAC 18 11 29
HTOM 16 7 23
HBA 15 8 23
NAC 5 16 21
NHNAC 4 15 19
HAAC 7 1 8
NA 1 6 7
NHNA 1 5 6
HAA 3 0 3
HNAC 1 1 2
HNA 0 1 1

Counties near Marion County

Polk County population 34.6 mi, 314°
Warren County 24.4 mi, 270°
Jasper County 24.6 mi,
Wapello County 41.2 mi, 120°
Mahaska County 23.7 mi, 90°
Poweshiek County 38.3 mi, 50°
Appanoose County 42.2 mi, 164°
Clarke County 41.5 mi, 239°
Lucas County 24 mi, 210°
Monroe County 23.9 mi, 150°


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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