Population.us > Counties > Iowa > Jefferson County

Population of Jefferson County

Last official estimated population of Jefferson County was 16,816 (year 2014)[1]. This was 0.005% of total US population and 0.5% of total Iowa state population. Area of Jefferson County is 436.9 mi² (=1131.5 km²), in this year population density was 38.49 p/mi². If population growth rate would be same as in period 2010-2014 (-0.04%/yr), Jefferson County population in 2022 would be 16,762 [0].


Historical population

Historical population of Jefferson 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] +13.58 %/yr
[1850-1860] +4.26 %/yr
[1860-1870] +1.72 %/yr
[1870-1880] -0.21 %/yr
[1880-1890] -1.39 %/yr
[1890-1900] +1.39 %/yr
[1900-1910] -0.89 %/yr
[1910-1920] +0.3 %/yr
[1920-1930] -0.12 %/yr
[1930-1940] -0.3 %/yr
[1940-1950] -0.04 %/yr
[1950-1960] +0.08 %/yr
[1960-1970] -0.03 %/yr
[1970-1980] +0.34 %/yr
[1980-1990] -0 %/yr
[1990-2000] -0.08 %/yr
[2000-2005] +0.17 %/yr
[2005-2010] +0.64 %/yr
[2010-2014] -0.04 %/yr

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Demography

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

Age Gr. (M) (F) Total
0 to 4 391 350 741
5 to 9 409 384 793
10 to 14 411 436 847
15 to 19 446 421 867
20 to 24 1350 453 1,803
25 to 29 854 421 1,275
30 to 34 573 444 1,017
35 to 39 460 379 839
40 to 44 441 412 853
45 to 49 383 439 822
50 to 54 528 557 1,085
55 to 59 696 678 1,374
60 to 64 922 837 1,759
65 to 69 651 664 1,315
70 to 74 319 339 658
75 to 79 211 232 443
80 to 84 124 228 352
85+ 171 311 482

Jefferson 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 9085 7734 16,819
WAC 7542 7532 15,074
WA 7417 7406 14,823
NHWAC 7317 7302 14,619
NHWA 7207 7185 14,392
AAC 1603 323 1,926
NHAAC 1593 318 1,911
AA 1568 295 1,863
NHAA 1561 291 1,852
H 255 251 506
HWAC 225 230 455
HWA 210 221 431
BAC 247 165 412
NHBAC 227 150 377
BA 203 118 321
NHBA 188 107 295
TOM 131 132 263
NHTOM 115 123 238
IAC 77 92 169
NHIAC 61 84 145
IA 18 28 46
HBAC 20 15 35
NHIA 11 24 35
HBA 15 11 26
HTOM 16 9 25
HIAC 16 8 24
NAC 13 11 24
NHNAC 11 9 20
HAAC 10 5 15
HIA 7 4 11
HAA 7 4 11
NA 3 6 9
NHNA 3 4 7
HNAC 2 2 4
HNA 0 2 2

Counties near Jefferson County

Des Moines County population 41.2 mi, 98°
Lee County 35.7 mi, 134°
Wapello County 23.1 mi, 274°
Washington County 25.6 mi, 29°
Henry County 22.1 mi, 93°
Louisa County 39.7 mi, 68°
Keokuk County 24.7 mi, 335°
Davis County 29.3 mi, 232°
Van Buren County 17.5 mi, 177°
Scotland County 39.7 mi, 193°


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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