Population.us > Counties > Idaho > Ada County

Population of Ada County

Last official estimated population of Ada County was 393,412 (year 2014)[1]. This was 0.123% of total US population and 23.8% of total Idaho state population. Area of Ada County is 1,060.5 mi² (=2746.6 km²), in this year population density was 370.98 p/mi². If population growth rate would be same as in period 2010-2014 (+0.07%/yr), Ada County population in 2019 would be 394,725 [0].


Historical population

Historical population of Ada County for period 1870-2014 [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

[1870-1880] +5.74 %/yr
[1880-1890] +6 %/yr
[1890-1900] +3.28 %/yr
[1900-1910] +9.67 %/yr
[1910-1920] +1.93 %/yr
[1920-1930] +0.74 %/yr
[1930-1940] +2.88 %/yr
[1940-1950] +3.43 %/yr
[1950-1960] +2.84 %/yr
[1960-1970] +1.85 %/yr
[1970-1980] +4.42 %/yr
[1980-1990] +1.75 %/yr
[1990-2000] +3.87 %/yr
[2000-2005] +2.99 %/yr
[2005-2010] +2.38 %/yr
[2010-2014] +0.07 %/yr

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Demography

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

Age Gr. (M) (F) Total
0 to 4 13579 12944 26,523
5 to 9 15801 15137 30,938
10 to 14 16151 15537 31,688
15 to 19 14395 13637 28,032
20 to 24 13979 12792 26,771
25 to 29 15661 15204 30,865
30 to 34 16362 15269 31,631
35 to 39 15342 14575 29,917
40 to 44 15049 14477 29,526
45 to 49 14174 13705 27,879
50 to 54 14282 14249 28,531
55 to 59 12961 13882 26,843
60 to 64 11441 12095 23,536
65 to 69 9503 9897 19,400
70 to 74 6040 6887 12,927
75 to 79 3847 4624 8,471
80 to 84 2505 3513 6,018
85+ 2436 4304 6,740

Ada 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 202288 202210 404,498
WA 196813 196832 393,645
NH 196516 196733 393,249
NHWAC 186536 187266 373,802
NHWA 181733 182632 364,365
H 16992 15995 32,987
HWAC 15752 14944 30,696
HWA 15080 14200 29,280
AAC 8113 8633 16,746
NHAAC 7720 8255 15,975
TOM 5833 5700 11,533
AA 5328 5916 11,244
NHAA 5164 5768 10,932
NHTOM 5051 4851 9,902
BAC 4676 3608 8,284
NHBAC 4205 3187 7,392
IAC 3715 3466 7,181
BA 3194 2197 5,391
NHBA 2940 2015 4,955
NHIAC 2556 2382 4,938
IA 1837 1650 3,487
NHIA 1173 1074 2,247
HIAC 1159 1084 2,243
NAC 1086 1015 2,101
NHNAC 935 876 1,811
HTOM 782 849 1,631
HIA 664 576 1,240
NA 503 433 936
HBAC 471 421 892
NHNA 455 393 848
HAAC 393 378 771
HBA 254 182 436
HAA 164 148 312
HNAC 151 139 290
HNA 48 40 88

Counties near Ada County

Canyon County population 26.1 mi, 297°
Malheur County 70.7 mi, 255°
Elmore County 39 mi, 95°
Payette County 45.7 mi, 326°
Gem County 42.8 mi, 349°
Gooding County 78.9 mi, 114°
Owyhee County 60.8 mi, 177°
Washington County 74.2 mi, 338°
Boise County 45.5 mi, 35°
Camas County 72.2 mi, 89°


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

Idaho Notes

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