Population Demographics for Ada County, Idaho in 2020, 2019



Other Counties and Cities in Idaho


Population Demographics by Race

RacePopulation% of Total
Total Population392,365100
White354,34790
Hispanic or Latino27,9057
Two or More Races11,1702
Some Other Race9,5292
Asian9,4072
Black or African American4,4411
American Indian2,610Below 1%
Native Hawaiian Pacific Islander861Below 1%
Three or more races721Below 1%
Native Hawaiian195Below 1%

Population Demographics by Race and gender.

MaleFemaleTotal
Total Population196,501195,864392,365
White177,011177,336354,347
Hispanic or Latino14,32113,58427,905
Two or More Races5,5835,58711,170
Some Other Race5,1124,4179,529
Asian4,3245,0839,407
Black or African American2,6531,7884,441
American Indian1,3581,2522,610
Native Hawaiian Pacific Islander460401861
Three or more races354367721
Native Hawaiian11085195

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Demographic population totals

Total population in Ada County

 
Total Population:392,365
Male Population:196,501
Female Population:195,864

Demographic median age by sex

Median age in Ada County

 
Both sexes34
Male34
Female35

Demographic sex by age for the population in households

Population in households in Ada County

 
Total Population:382,651
Male Population:188,827
Under 5 years:14,434
5 to 9 years:15,278
10 to 14 years:14,682
15 to 17 years:8,543
18 and 19 years:4,582
20 years:2,307
21 years:2,291
22 to 24 years:7,430
25 to 29 years:13,963
30 to 34 years:13,561
35 to 39 years:13,788
40 to 44 years:13,396
45 to 49 years:13,457
50 to 54 years:12,759
55 to 59 years:11,282
60 and 61 years:3,997
62 to 64 years:5,590
65 and 66 years:2,825
67 to 69 years:3,524
70 to 74 years:4,255
75 to 79 years:2,898
80 to 84 years:2,182
85 years and over:1,803
Female Population:193,824
Under 5 years:13,893
5 to 9 years:14,761
10 to 14 years:14,116
15 to 17 years:7,824
18 and 19 years:4,448
20 years:2,387
21 years:2,447
22 to 24 years:7,713
25 to 29 years:13,944
30 to 34 years:13,734
35 to 39 years:13,587
40 to 44 years:13,400
45 to 49 years:13,858
50 to 54 years:13,505
55 to 59 years:11,961
60 and 61 years:4,214
62 to 64 years:5,666
65 and 66 years:3,036
67 to 69 years:3,959
70 to 74 years:4,909
75 to 79 years:3,838
80 to 84 years:3,138
85 years and over:3,486

Demographic average population of home by age

Average household size in Ada County

 
Total:2
Under 18 years:0
18 years and over:1

Demographic household type

Number of occupied homes in Ada County

 
Total:148,445
Family led homes:99,282
Husband-wife family:77,808
Other family:21,474
Population of male led with no wife present:6,603
Population female led with no husband present:14,871
Population of Nonfamily homes:49,163
Population living alone:37,175
Population not living alone:11,988

Demographic population of homes with people under 18 years old by type

Total occupied homes in Ada County with people under 18 years old:

 
Total:148,445
Population of homes with one or more people under 18 years:52,843
Population of family homes:52,249
Husband-wife family:37,594
Under 6 years only:9,196
Under 6 years and 6 to 17 years:9,236
6 to 17 years only:19,162
Other family:14,655
Male householder, no wife present:4,374
Under 6 years only:1,069
Under 6 years and 6 to 17 years:662
6 to 17 years only:2,643
Female led with no husband present:10,281
Under 6 years only:2,336
Under 6 years and 6 to 17 years:1,766
6 to 17 years only:6,179
Nonfamily households:594
Male led households:455
Under 6 years only:129
Under 6 years and 6 to 17 years:34
6 to 17 years only:292
Female led householder:139
Under 6 years only:34
Under 6 years and 6 to 17 years:8
6 to 17 years only:97
Households with no people under 18 years:95,602
Family households:47,033
Husband-wife family:40,214
Other family:6,819
Male led with no wife present:2,229
Female led with no husband present:4,590
Nonfamily households:48,569
Male led householder:22,882
Female led householder:25,687

Demographic type of home by age of owner-renter

Total number led homes in Ada County, by type

 
Total Home Population:148,445
Population of Family homes:99,282
Population of 15 to 24 year olds:3,083
Population of 25 to 34 year olds:18,043
Population of 35 to 44 year olds:24,044
Population of 45 to 54 year olds:22,535
Population of 55 to 59 year olds:9,064
Population of 60 to 64 year olds:7,838
Population of 65 to 74 year olds:8,985
Population of 75 to 84 year olds:4,348
Population of 85 year olds and over:1,342
Population of Nonfamily Homes:49,163
Population of 15 to 24 year olds:5,463
Population of 25 to 34 year olds:8,745
Population of 35 to 44 year olds:5,936
Population of 45 to 54 year olds:8,368
Population of 55 to 59 year olds:4,655
Population of 60 to 64 year olds:4,012
Population of 65 to 74 year olds:5,375
Population of 75 to 84 year olds:3,995
Population of 85 year olds and over:2,614

Demographic population of homes with people 60 year olds and over

households in Ada County containing people over 60

 
Total Population:148,445
Population of homes with one or more people 60 years and over:42,133
1-person household:14,873
2-or-more-person household:27,260
Family households:25,804
Nonfamily households:1,456
Population of homes with no people 60 years and over:106,312
1-person household:22,302
2-or-more-person household:84,010
Family homes:73,478
Nonfamily homes:10,532

Demographic population of multigenerational homes

homes in Ada County with multiple generations.

 
Total Population:148,445
Home has three or more generations:3,865
Home does not have three or more generations:144,580

Demographic presence of unmarried partner of home owner-renter

Unmarried population in Ada County under 18 years old in homes

 
Total Population:103,496
Unmarried partner of home lead present:6,816
In family homes:6,299
Population of male led and male partner homes:152
Population of male led and female partner households:2,734
Population of female led and female partner households:320
Population of female led and male partner households:3,093
In nonfamily homes:517
Population of male led and male partner homes:0
Population of male led and female partner homes:436
Population of female led and female partner homes:20
Population of female led and male partner homes:61
No unmarried partner of home lead present:96,680
In family homes:96,380
Population of husband-wife family homes:77,571
Population of male lead with no wife present, family homes:4,481
Population of female lead with no husband present, family homes:14,328
In nonfamily homes:300

Demographic population in families by age

Population in families living in Ada County

 
Total Population:309,110
Population Under 18 years:101,733
Population 18 years and over:207,377

Demographic tenure of people in homes

How long in Ada County have lived in one place.

 
Total:148,445
Population of Owner occupied homes:101,639
Family home:75,868
Nonfamily homess:25,771
Male led home:11,337
Living alone:8,261
Not living alone:3,076
Female led home:14,434
Living alone:12,294
Not living alone:2,140
Population of Renter occupied homes:46,806
Family run homes:23,414
Husband-wife family:13,014
Other family:10,400
Male led with no wife present:3,040
Female led with no husband present:7,360
Nonfamily Homes:23,392
Male led homes:12,000
Male living alone:8,146
Male not living alone:3,854
Female led homes:11,392
Females living alone:8,474
Females not living alone:2,918