Population.us

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 2026 would be 396,570 ^[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.

Population • Density • Changes • Legends • Position

Demography

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