Polk County Info
All cities in Polk county
All zip codes in Polk county
Iowa State
USA
County
Polk
State
Iowa(IA)
Cities
29
Zip Codes
89
Population
462,852
Census 2010:
451,379
Estimated:
462,852
Growth:
2.48%
White
393,032
79.21%
Hispanic
33,277
6.71%
Black
31,581
6.36%
Asian
19,051
3.84%
Other
15,054
3.03%
Indian
3,569
0.72%
Hawaiian
617
0.12%
Gender and Age
Females
230,361
51.03
%
Males
221,018
48.97
%
Median age
35.53
Median age for females
36.18
Median age for males
34.85
Households
Total households
178,167
Persons per household
2.526774
Income per household
$46,971.23
Top Data By Zip Codes
View all Zip Codes data
Most Populated
50317
36,508
50315
36,336
50265
32,808
50322
31,727
50310
30,743
Least Populated
50007
337
50073
1,046
50169
2,230
50237
2,851
50226
4,357
Growing
50266
17%
50323
11%
50009
6%
50021
5%
50131
5%
Declining
50007
-40%
50169
-38%
50073
-14%
50311
-12%
50226
-8%
Younger Crowd
50311
27.30
50314
29.70
50035
31.50
50316
31.50
50111
31.60
Older Crowd
50324
43.10
50007
41.40
50237
41.10
50312
39.40
50322
39.40
Highest Income
50323
$132,982.00
50131
$76,309.00
50325
$74,742.00
50007
$68,906.00
50237
$61,278.00
Lowest Income
50309
$17,188.00
50314
$24,208.00
50316
$32,129.00
50313
$36,447.00
50311
$39,260.00
Time Zone
Time zone(s)
Central Standard Time, CST. GMT-6
Day light saving
Yes
Area Codes
515
,
641
,
712
Cities in Numbers
All Cities in Polk County
Most Populated Cities in Polk County
Least Populated Cities in Polk County
Growing Cities in Polk County
Declining Cities in Polk County
Younger Crowd Cities in Polk County
Older Crowd Cities in Polk County
Highest Income Cities in Polk County
Lowest Income Cities in Polk County
Zip Codes in Numbers
All Zip Codes in Polk County
Most Populated Zip Codes in Polk County
Least Populated Zip Codes in Polk County
Growing Zip Codes in Polk County
Declining Zip Codes in Polk County
Younger Crowd Zip Codes in Polk County
Older Crowd Zip Codes in Polk County
Highest Income Zip Codes in Polk County
Lowest Income Zip Codes in Polk County