Population Demographics for Polk County, Iowa in 2019, 2018



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Population Demographics by Race

RacePopulation% of Total
Total Population430,640100
White364,89584
Hispanic or Latino32,6477
Black or African American25,8536
Asian15,2203
Some Other Race12,6292
Two or More Races10,4052
American Indian1,384Below 1%
Three or more races656Below 1%
Native Hawaiian Pacific Islander254Below 1%

Population Demographics by Race and gender.

MaleFemaleTotal
Total Population211,171219,469430,640
White177,914186,981364,895
Hispanic or Latino17,13115,51632,647
Black or African American13,09312,76025,853
Asian7,4617,75915,220
Some Other Race6,7125,91712,629
Two or More Races5,1845,22110,405
American Indian6856991,384
Three or more races299357656
Native Hawaiian Pacific Islander122132254

Relevant Related Information

Demographic population totals

Total population in Polk County

 
Total Population:430,640
Male Population:211,171
Female Population:219,469

Demographic median age by sex

Median age in Polk County

 
Both sexes35
Male34
Female36

Demographic sex by age for the population in households

Population in households in Polk County

 
Total Population:421,284
Male Population:206,659
Under 5 years:16,735
5 to 9 years:15,768
10 to 14 years:15,149
15 to 17 years:8,519
18 and 19 years:4,727
20 years:2,365
21 years:2,228
22 to 24 years:8,446
25 to 29 years:17,124
30 to 34 years:15,900
35 to 39 years:14,661
40 to 44 years:14,731
45 to 49 years:15,064
50 to 54 years:14,070
55 to 59 years:12,308
60 and 61 years:4,309
62 to 64 years:5,643
65 and 66 years:2,778
67 to 69 years:3,818
70 to 74 years:4,568
75 to 79 years:3,440
80 to 84 years:2,533
85 years and over:1,775
Female Population:214,625
Under 5 years:15,989
5 to 9 years:15,023
10 to 14 years:14,145
15 to 17 years:8,100
18 and 19 years:4,572
20 years:2,305
21 years:2,366
22 to 24 years:9,169
25 to 29 years:17,597
30 to 34 years:15,885
35 to 39 years:14,530
40 to 44 years:14,726
45 to 49 years:15,333
50 to 54 years:14,922
55 to 59 years:13,251
60 and 61 years:4,803
62 to 64 years:6,179
65 and 66 years:3,298
67 to 69 years:4,329
70 to 74 years:5,670
75 to 79 years:4,645
80 to 84 years:3,865
85 years and over:3,923

Demographic average population of home by age

Average household size in Polk County

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

Demographic household type

Number of occupied homes in Polk County

 
Total:170,197
Family led homes:108,321
Husband-wife family:82,125
Other family:26,196
Population of male led with no wife present:7,420
Population female led with no husband present:18,776
Population of Nonfamily homes:61,876
Population living alone:48,127
Population not living alone:13,749

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

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

 
Total:170,197
Population of homes with one or more people under 18 years:57,326
Population of family homes:56,767
Husband-wife family:38,892
Under 6 years only:10,585
Under 6 years and 6 to 17 years:9,003
6 to 17 years only:19,304
Other family:17,875
Male householder, no wife present:4,673
Under 6 years only:1,452
Under 6 years and 6 to 17 years:878
6 to 17 years only:2,343
Female led with no husband present:13,202
Under 6 years only:3,275
Under 6 years and 6 to 17 years:2,753
6 to 17 years only:7,174
Nonfamily households:559
Male led households:429
Under 6 years only:118
Under 6 years and 6 to 17 years:43
6 to 17 years only:268
Female led householder:130
Under 6 years only:35
Under 6 years and 6 to 17 years:8
6 to 17 years only:87
Households with no people under 18 years:112,871
Family households:51,554
Husband-wife family:43,233
Other family:8,321
Male led with no wife present:2,747
Female led with no husband present:5,574
Nonfamily households:61,317
Male led householder:28,228
Female led householder:33,089

Demographic type of home by age of owner-renter

Total number led homes in Polk County, by type

 
Total Home Population:170,197
Population of Family homes:108,321
Population of 15 to 24 year olds:3,812
Population of 25 to 34 year olds:21,647
Population of 35 to 44 year olds:25,095
Population of 45 to 54 year olds:23,859
Population of 55 to 59 year olds:9,824
Population of 60 to 64 year olds:8,132
Population of 65 to 74 year olds:9,551
Population of 75 to 84 year olds:5,115
Population of 85 year olds and over:1,286
Population of Nonfamily Homes:61,876
Population of 15 to 24 year olds:6,245
Population of 25 to 34 year olds:12,379
Population of 35 to 44 year olds:7,467
Population of 45 to 54 year olds:10,492
Population of 55 to 59 year olds:5,582
Population of 60 to 64 year olds:4,809
Population of 65 to 74 year olds:6,316
Population of 75 to 84 year olds:5,274
Population of 85 year olds and over:3,312

Demographic population of homes with people 60 year olds and over

households in Polk County containing people over 60

 
Total Population:170,197
Population of homes with one or more people 60 years and over:47,503
1-person household:18,480
2-or-more-person household:29,023
Family households:27,474
Nonfamily households:1,549
Population of homes with no people 60 years and over:122,694
1-person household:29,647
2-or-more-person household:93,047
Family homes:80,847
Nonfamily homes:12,200

Demographic population of multigenerational homes

homes in Polk County with multiple generations.

 
Total Population:170,197
Home has three or more generations:4,441
Home does not have three or more generations:165,756

Demographic presence of unmarried partner of home owner-renter

Unmarried population in Polk County under 18 years old in homes

 
Total Population:109,353
Unmarried partner of home lead present:9,305
In family homes:8,787
Population of male led and male partner homes:237
Population of male led and female partner households:3,719
Population of female led and female partner households:357
Population of female led and male partner households:4,474
In nonfamily homes:518
Population of male led and male partner homes:1
Population of male led and female partner homes:451
Population of female led and female partner homes:15
Population of female led and male partner homes:51
No unmarried partner of home lead present:100,048
In family homes:99,815
Population of husband-wife family homes:76,446
Population of male lead with no wife present, family homes:4,098
Population of female lead with no husband present, family homes:19,271
In nonfamily homes:233

Demographic population in families by age

Population in families living in Polk County

 
Total Population:332,839
Population Under 18 years:107,765
Population 18 years and over:225,074

Demographic tenure of people in homes

How long in Polk County have lived in one place.

 
Total:170,197
Population of Owner occupied homes:117,531
Family home:85,574
Nonfamily homess:31,957
Male led home:13,833
Living alone:10,140
Not living alone:3,693
Female led home:18,124
Living alone:15,412
Not living alone:2,712
Population of Renter occupied homes:52,666
Family run homes:22,747
Husband-wife family:10,681
Other family:12,066
Male led with no wife present:3,079
Female led with no husband present:8,987
Nonfamily Homes:29,919
Male led homes:14,824
Male living alone:10,770
Male not living alone:4,054
Female led homes:15,095
Females living alone:11,805
Females not living alone:3,290