Skip to main content

Polk County, IA

location map
Polk County, IA
  • Location TypeCounty
  • County SeatDes Moines, IA
  • Population430,640
  • Land Area (Square Miles) 573.7899
  • Population Density (Per Square Mile) 750.5000

Similarly Populated Counties

Filter above list by:

Yes  No

Median Age

% Population African American

% Population Hispanic

% Population White

Population Density
(Persons per Square Mile)

Rural-Urban Continuum


Suggested Data Series

TitleLatest YearLatest ValueLatest Rank
Decennial Census Population (County)2010430,640156 of 3170
Decennial Census Population Per Square Mile (County)2010750.50205 of 3170
Percent of African American Population (County)20187.1%982 of 3131
Percent of Hispanic Population (County)20188.5%888 of 3139
Persistent Poverty Counties (County)201300 of 0 - 1
Rural-Urban Continuum for Counties (County)201322 of 1 - 9
Unemployment Rate (County)20192.8%2577 of 3140
Death Rate (Per 100,000) (County)2016736.002745 of 3105
Percent of Adults Physically Inactive (County)201619.5%2889 of 3141
Age-Adjusted Rate of Diabetes per 1,000 Persons (County)20167.002278 of 3141
Medicare Part D Prescription Enrollment Rate (County)201850.6%1493 of 3137
Farmers' Markets (County)20161593 of 2249
Percent of Children Without a Market Within One Mile (County)20155.7%2933 of 3004
Percent of School-age Children in Poverty (County)201811.0%2671 of 3140
Total Public School Expenditures (County)2017$1,132,582,000.00137 of 3123
Number of Public Libraries (County)201713111 of 1287
Average Daily Maximum Heat Index (County)201194.79971 of 3103
Percentage of Days with a Good Air Quality Index (County)201982.3%653 of 1006
Second Highest 1-hour Carbon Monoxide Measurement (County)20191.5084 of 165
Greenhouse Gas Direct Emitting Facilities (County)20186205 of 1227
Average Fine Particulate Matter (County)201110.342385 of 3108
FEMA Public Assistance Grant Dollars Obligated for Disasters (County)2019$278,142.08344 of 826
Total Deposits in Banks (County)2016-2017$14,920,794,000.00113 of 3108
Property Taxes as Percent of Income: Five-Year Estimates (County)2006-20103.4%408 of 2773
Percent of Firms Which are Women Owned (County)201233.2%1156 of 3093
Manufacturing Establishments with 5 to 9 Employees (County)201856184 of 1961
Immigrant Households Entering County According to Tax Returns (County)2017-2018128117 of 389
Estimated Veteran Population Under 45 Years Old (County)20106,612149 of 3143
Total Planted Acres (County)2019161,779.081184 of 3034
Online, Mail Order, and Television Retail Sales in 2009 Dollars (County)2050$473,000,000.00263 of 2709
Total Retail and Food Service Sales in 2009 Dollars (County)2050$12,789,000,000.00124 of 3108
Earnings in Management of Companies and Enterprises Occupations in 2009 Dollars (County)2050$3,689,000,000.0070 of 2178
Population (County)2050598,000159 of 3076
Per Capita Total Personal Income (County)2050$248,276.00387 of 3112
Total Employees (County)2050517,000123 of 3065
Population 18 to 24 Years Old (County)205047,000180 of 2216
African American Male Population 25 Years Old (County)2050444190 of 2780
To see more data series, visualizations, and data details, please subscribe to SAGE Stats.