Last official estimated population of Linn County was 211,616 (year 2014)[1]. This was 0.066% of total US population and 6.8% of total Iowa state population. Area of Linn County is 724.5 mi² (=1876.5 km²), in this year population density was 292.08 p/mi². If population growth rate would be same as in period 2010-2014 (+0.05%/yr), Linn County population in 2024 would be 212,594 [0].
Historical population of Linn County for period 1840-2014 [1] , [2] , [3]:
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.
Population • Density • Changes • Legends • Position
[1840-1850] +14.77 %/yr
[1850-1860] +13.28 %/yr
[1860-1870] +5.07 %/yr
[1870-1880] +1.82 %/yr
[1880-1890] +1.98 %/yr
[1890-1900] +2.03 %/yr
[1900-1910] +0.92 %/yr
[1910-1920] +2 %/yr
[1920-1930] +1.07 %/yr
[1930-1940] +0.8 %/yr
[1940-1950] +1.58 %/yr
[1950-1960] +2.76 %/yr
[1960-1970] +1.77 %/yr
[1970-1980] +0.39 %/yr
[1980-1990] -0.06 %/yr
[1990-2000] +1.28 %/yr
[2000-2005] +0.89 %/yr
[2005-2010] +1.06 %/yr
[2010-2014] +0.05 %/yr
Looking for settlements in Linn County? Visit this page: Settlements in Linn County, IA
Population of Linn County by age groups male (M) and female (F)[1b]
Age Gr. | (M) | (F) | Total |
0 to 4 | 7063 | 6741 | 13,804 |
5 to 9 | 7240 | 7056 | 14,296 |
10 to 14 | 7515 | 7254 | 14,769 |
15 to 19 | 7395 | 7064 | 14,459 |
20 to 24 | 7626 | 7652 | 15,278 |
25 to 29 | 7261 | 7030 | 14,291 |
30 to 34 | 7805 | 7484 | 15,289 |
35 to 39 | 7074 | 7052 | 14,126 |
40 to 44 | 6841 | 6865 | 13,706 |
45 to 49 | 7164 | 7039 | 14,203 |
50 to 54 | 7697 | 7725 | 15,422 |
55 to 59 | 7080 | 7333 | 14,413 |
60 to 64 | 6071 | 6454 | 12,525 |
65 to 69 | 4724 | 5253 | 9,977 |
70 to 74 | 3306 | 3808 | 7,114 |
75 to 79 | 2457 | 3133 | 5,590 |
80 to 84 | 1656 | 2355 | 4,011 |
85+ | 1496 | 2982 | 4,478 |
Linn 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 | 104110 | 107239 | 211,349 |
WAC | 99494 | 102653 | 202,147 |
WA | 97064 | 100163 | 197,227 |
NHWAC | 96425 | 99910 | 196,335 |
NHWA | 94157 | 97573 | 191,730 |
BAC | 6735 | 6197 | 12,932 |
NHBAC | 6502 | 5970 | 12,472 |
BA | 5129 | 4591 | 9,720 |
NHBA | 4995 | 4445 | 9,440 |
H | 3361 | 3041 | 6,402 |
AAC | 2893 | 3099 | 5,992 |
NHAAC | 2842 | 3034 | 5,876 |
HWAC | 3069 | 2743 | 5,812 |
HWA | 2907 | 2590 | 5,497 |
TOM | 2556 | 2598 | 5,154 |
NHTOM | 2379 | 2430 | 4,809 |
AA | 2298 | 2467 | 4,765 |
NHAA | 2273 | 2438 | 4,711 |
IAC | 875 | 869 | 1,744 |
NHIAC | 700 | 700 | 1,400 |
IA | 316 | 348 | 664 |
NHIA | 223 | 252 | 475 |
HBAC | 233 | 227 | 460 |
NAC | 182 | 209 | 391 |
HTOM | 177 | 168 | 345 |
HIAC | 175 | 169 | 344 |
NHNAC | 151 | 183 | 334 |
HBA | 134 | 146 | 280 |
NA | 108 | 113 | 221 |
HIA | 93 | 96 | 189 |
NHNA | 83 | 101 | 184 |
HAAC | 51 | 65 | 116 |
HNAC | 31 | 26 | 57 |
HAA | 25 | 29 | 54 |
HNA | 25 | 12 | 37 |
• Johnson County population
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45.4 mi, 306°
• Dubuque County
45.4 mi, 54°
• Benton County
23.6 mi, 272°
• Buchanan County
29.8 mi, 335°
• Jones County
24.9 mi, 82°
• Cedar County
31.9 mi, 131°
• Delaware County
29.7 mi, 23°
• Tama County
47.8 mi, 269°
• Iowa County
36.1 mi, 221°
[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
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