Ada County, Idaho Population 2018

Ada County, Idaho's estimated population is 456,849 with a growth rate of 7.29% in the past year according to the most recent United States census data. Ada County, Idaho is the 1st largest county in Idaho.

Year Population Growth Growth Rate
2017456,84931,0517.29%
2016425,798-18,471-4.16%
2016444,26911,5012.66%
2015432,7687,1411.68%
2014425,6279,5532.30%
2013416,0747,1591.75%
2012408,9157,9201.98%
2011400,9957,5491.92%
2010393,446187,67191.20%
1990205,77532,73918.92%
1980173,03660,80654.18%
1970112,23018,77020.08%
196093,46022,81132.29%
195070,64920,24840.17%
194050,40112,47632.90%
193037,9252,7127.70%
192035,2136,12521.06%
191029,08817,529151.65%
190011,5593,19138.13%
18908,3683,69479.03%
18804,6741,99974.73%
18702,6750.00%

Ada County, Idaho Population Growth

Population Data via

Population by Race

Race Population
White388,813
Two or More Races12,329
Asian10,624
Some Other Race5,692
Black or African American5,253
American Indian and Alaska Native2,439
Native Hawaiian and Other Pacific Islander648

Race Data via US Census (2016 ACS 5-Year Survey)

Ada County, Idaho Population Pyramid 2018

0%2%4%6%8% Male Population0%2%4%6%8% Female Population80757065605550454035302520151050

Data via US Census (2016 ACS 5-Year Survey): Table S0101

Ada County, Idaho Median Age

36.1


Total

35.3


Male

37.1


Female

Ada County, Idaho Adults

There are 318,923 adults, (53,651 of which are seniors) in Ada County, Idaho.

Ada County, Idaho Age Dependency

60.3

Age Dependency Ratio

20.1

Old Age Dependency Ratio

40.2

Child Dependency Ratio

Ada County, Idaho Sex Ratio

Female

212,454

49.90%

Male

213,344

50.10%

Ada County, Idaho Households and Families

Ada County, Idaho Renter vs Owner Occupied by Household Type

Ada County, Idaho Household Types

Type Owner Renter
Married82.6%17.4%
All67.5%32.5%
Male53.1%46.9%
Non Family51.7%48.3%
Female48.5%51.5%

67.5%

Rate of Home Ownership

Ada County, Idaho Households by Type

Type Count Average Size Owned
All160,3982.6167.5
Married83,0883.2482.6
Non Family55,7261.3251.7
Female14,1063.4148.5
Male7,4783.6553.1

3.2

Average Family Size

2.61

Average Household Size

5.3%

Unmarried (Opposite Sex)

0.3%

Unmarried (Same Sex)

Ada County, Idaho Households

Ada County, Idaho Education

Ada County, Idaho Educational Attainment by Sex (over 25)

Education Attained Count Percentage
Less Than 9th Grade4,8241.71%
9th to 12th Grade10,5023.73%
High School Graduate61,57521.85%
Some College74,75526.53%
Associates Degree25,9749.22%
Bachelors Degree69,90524.81%
Graduate Degree34,28312.16%

Ada County, Idaho Educational Attainment by Race

Name Total High School Bachelors
White249,061239,36195,010
Hispanic16,96713,3332,907
Asian7,3356,2343,631
Multiple Races4,8924,4811,722
Other Race3,3232,443550
Black2,5662,165741
Native American1,5941,383171
Islander34931486

The highest rate of high school graduation is among white people with a rate of 96.11%.

The highest rate of bachelors degrees is among white people with a rate of 49.50%.

Ada County, Idaho Earnings by Educational Attainment

Name Average Male Female
Overall$36,349$43,822$30,386
Less Than High School$21,292$26,390$13,681
High School Grad$26,619$30,839$21,802
Some College$31,829$38,118$26,571
Bachelors Degree$46,839$57,851$35,686
Graduate Degree$65,080$81,290$53,283

$36,349

Average Earnings

$43,822

Average Male

$30,386

Average Female

Ada County, Idaho Language

Ada County, Idaho Language by Age

Ada County, Idaho Language

91.40% of Ada County, Idaho residents speak only English, while 8.60% speak other languages. The largest non-English language is Spanish, which is spoken by 4.07% of the population.

Ada County, Idaho Poverty

Ada County, Idaho Poverty by Race

Name Total In Poverty Poverty Rate
White358,34839,15810.93%
Hispanic31,6216,22519.69%
Multiple12,1563,16926.07%
Black5,1141,62931.85%
Other5,6741,42825.17%
Asian10,4711,24611.90%
Native2,20230914.03%
Islander62518930.24%

12.23%

Overall Poverty Rate

11.56%

Male Poverty Rate

12.89%

Female Poverty Rate

Poverty in Ada County, Idaho

The race most likely to be in poverty in Ada County, Idaho is Black, with 31.85% below the poverty level.

The race least likely to be in poverty in Ada County, Idaho is White, with 10.93% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 2.42%. Among those working part-time, it was 18.98%, and for those that did not work, the poverty rate was 20.15%.

Ada County, Idaho Poverty Rate by Education

Name Poverty
Less Than High School24.49%
High School13.04%
Some College9.96%
Bachelors or Greater4.80%

Ada County, Idaho Poverty Rate by Employment Status and Sex

Name Poverty
Male Unemployed29.97%
Female Unemployed29.77%
Female Employed8.21%
Male Employed6.18%

Ada County, Idaho Income

Ada County, Idaho Income by Household Type

Name Median Mean
Households$58,099$77,433
Families$72,861$93,786
Married Families$83,597$105,015
Non Families$32,035$43,922

Ada County, Idaho Marital Status

Ada County, Idaho Marital Status

Marriage Rates

52.8%

Overall Marriage Rate

53.7%

Male Marriage Rate

51.9%

Female Marriage Rate

Ada County, Idaho Married by Age and Sex

Ada County, Idaho Marriage

The age group where males are most likely to be married is Over65, while the female age group most likely to be married is 55To64.

Ada County, Idaho Marital Status by Race

Ada County, Idaho Veterans

Ada County, Idaho Veterans by War

29,723

Number of Veterans

27,427

Male Veterans

2,296

Female Veterans

Name Veterans
Vietnam10,934
First Gulf War6,804
Second Gulf War5,207
Korea2,531
World War II1,704

Ada County, Idaho Veterans by Age

Name Veterans
35 to 548,495
65 to 746,847
55 to 646,101
75+5,636
18 to 342,644

Ada County, Idaho Veterans by Race

Name Veterans % of Total
White28,1819.58%
Hispanic1,0765.10%
Black42313.18%
2 or More3836.08%
Asian3774.57%
Other1884.56%
Indian1648.30%
Hawaiian71.46%

Ada County, Idaho Veterans by Education

6.98%

Veteran Poverty Rate

25.60%

Veteran Disability Rate

Ada County, Idaho Employment Status

Ada County, Idaho Employment by Age

66.5%

Labor Force Participation

62.7%

Employment Rate

5.3%

Unemployment Rate

Ada County, Idaho Employment by Race

Ada County, Idaho Employment by Education

Population of Cities in Ada County, Idaho

City 2010 Census 2016 Estimated Growth Growth Rate
Boise City208341223154148137.11%
Meridian76056956231956725.73%
Eagle1994424785484124.27%
Kuna1529817902260417.02%
Garden City10979116026235.67%
Star 58298375254643.68%
Data Sources
  1. US Census City/Town Population estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. Population of States and Counties of the United States: 1790 - 1990