Polk County Health Department

Population

Content updated on 7/11/17

Polk County is the most populous county in Iowa and includes Des Moines, which is the State Capital. The population of the county has been steadily increasing over the years. Polk County is expected to reach a population of over 479,500 residents by the year 2020. 

POPULATION BY CITY (Source: American Community Survey 5-Year Estimates 2011-2015) CDP=Census Designated Population.

City Total Population City Total Population
Alleman 524 Johnston 19,550
Altoona 15,808 Mitchellville 2,303
Ankeny 51,489 Pleasant Hill 9,099
Bondurant 4,555 Polk City 3,953
Carlisle 4,120 Runnells 541
Clive 16,634 Saylorville CDP 3,485
Des Moines 208,020 Sheldahl 266
Elkhart 653 Urbandale 42,099
Granger 1,587 West Des Moines 61,266
Grimes 9,509 Windsor Heights 4,888

POPULATION BY RACE/ETHNICITY (Source: American Community Survey 5-Year Estimates 2011-2015) 

Race/EThnicity Population  % Total County  Population
White 386,251 85.4%
Black or African American 28,241 6.2%
American Indian and Alaska Native 1,203 0.3%
Asian 17,835 3.9%
Native Hawaiian and Other Pacific Islander 307 0.1%
Some Other Race 6,814 1.5%
Two or More Races 11,718 2.6%
Hispanic or Latino 35,936 7.9%

POPULATION BY AGE (Source: American Community Survey 5-Year Estimates) 

 Age 2006-2010 2011-2015 % Changed
Under 5 years 32,246 33,144 2.7
5 to 17 years 74,740 81,392 8.2
18-64 years 267200 286,123 6.6
65 years and over 45,115 51,710 12.8

POPULATION BY GEOGRAPHY

BY ZIP 

Population in Polk County by Zip census data. (Source: US Census Bureau ZCTA ACS 2011-2015)

Race (Asian, African American, White)/Ethnicity (Hispanic) in Polk County by Zip census date.  (Source: US Census Bureau ZCTA ACS 2011-2015)

BY CENSUS TRACT

Population in Polk County by Census Tract  (Source: US Census Bureau ACS 2011-2015)

Race (Asian, African American, White)/Ethnicity (Hispanic) in Polk County by Census Tract (Source: US Census Bureau ACS 2011-2015)

Age Group Population in Polk County By Census Tract(Source: US Census Bureau ACS 2011-2015)


Contact Us

Phone: (515)-286-3798
Fax: (515)-286-2033
Toll free: 866-209-1300
Email:
healthdept@polkcountyiowa.gov


Address: 1907, Carpenter Avenue
Des Moines, IA 50314