Polk County

Polk County is a county located in the U.S. state of Iowa. The population was 430,640 in the 2010 census, an increase from 374,601 in the 2000 census, making it the most populous county in Iowa. The county seat is Des Moines, which is also the capital city of Iowa. Polk County is one of the five counties that make up the Des Moines–West Des Moines Metropolitan Statistical Area. Polk County was formed on January 13, 1846. It was named after Presid... More

Area:

  • 1,533.27296 km² (592 mi² )

Population:

  • 304,865 (1981)

Date founded:

  • 1846

Location

Population

number date
  • 110,438
  • 1910
  • 154,029
  • 1920
  • 82,624
  • 1900
  • 226,010
  • 1950
  • 195,835
  • 1940
  • 172,837
  • 1930
  • 266,315
  • 1960
  • 286,101
  • 1970
  • 303,170
  • 1980
  • 304,865
  • 1981

Geolocation:

Latitude Longitude
  • 41.6279
  • -93.6309

Capital:

CO2 emissions - total:

Emissions Date
  • 1.0058 ppm
  • 2007

CO2 emissions - residential:

Emissions Date
  • 0.17241 ppm
  • 2007

CO2 emissions - commercial:

Emissions Date
  • 0.16031 ppm
  • 2007

CO2 emissions - industrial:

Emissions Date
  • 0.056897 ppm
  • 2007

CO2 emissions - mobile:

Emissions Date
  • 0.61431 ppm
  • 2007

50th percentile rent - 0 br:

Currency Amount Valid Date
  • 529
  • 2009

50th percentile rent - 1 br:

Currency Amount Valid Date
  • 631
  • 2009

50th percentile rent - 2 br:

Currency Amount Valid Date
  • 764
  • 2009

50th percentile rent - 3 br:

Currency Amount Valid Date
  • 983
  • 2009

50th percentile rent - 4 br:

Currency Amount Valid Date
  • 1,082
  • 2009

Unemployment Rate:

Rate Date
  • 3.4 %
  • Dec 1, 2006
  • 4.2 %
  • Jan 1, 2007
  • 3.9 %
  • Feb 1, 2007
  • 3.7 %
  • Mar 1, 2007
  • 3.4 %
  • Apr 1, 2007
  • 3.3 %
  • May 1, 2007
  • 3.5 %
  • Jun 1, 2007
  • 3.2 %
  • Jul 1, 2007
  • 3.4 %
  • Aug 1, 2007
  • 3.5 %
  • Sep 1, 2007
View entire collection »

Household Count:

number date
  • 149,316
  • 2008

Estimated Number of Foreclosures:

number date
  • 4,390
  • 2008

Estimated Number of Mortgages:

number date
  • 137,096
  • 2008

90-Day Vacant Residential Addresses:

number date
  • 6,478
  • 2008

Total Residential Addresses:

number date
  • 178,478
  • 2008

BLS Unemployment Rate (%):

Number Date
  • 0.0381
  • 2008

OFHEO Price Change (%):

Number Date
  • 0
  • 2008
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