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Welcome to Cook County, IL
Zip Codes:
Cities:
Area Codes:
224 312 630 708 773 815 847
 People
Total population (2000) 5,376,741
Total urban population (2000) 5,372,243
Total rural population (2000) 4,498
Total white population (2000) 3,025,760
Total black population (2000) 1,405,361
American Indian & Alaska Native population (2000) 15,496
Total asian population (2000) 260,170
Native Hawaiian & Pacific Islander popualtion (2000) 2,561
Hispanic population (2000) 1,071,740
Total population over 18 yrs (2000) 3,978,922
White population over 18 yrs (2000) 2,381,558
Black population over 18 yrs (2000) 954,939
American Indian & Alaska Native population over 18 yrs (2000) 10,508
Asian population over 18 yrs (2000) 203,318
Native Hawaiian & Pacific Islander population over 18 yrs (2000) 1,867
Total male population (2000) 2,603,532
Total female population (2000) 2,773,209
Both sexes median age (2000) 34
Male median age (2000) 32
Female median age (2000) 35
Total population over 25 years old (2000) 3,454,738
Charts (click to view charts)
Male Age Distribution (2000)
Female Age Distribution (2000)
Foreign & Native Population (2000)
Male Education Attained (2000)
Female Education Attained (2000)
 Geography
Miles of land 946
Land area sq meters 2,449,300,798
Water area sq meters 1,785,436,307
Land area sq mi 946
Water area sq mi 689
Latitude 42
Longitude -88
 Economics
Average household size (2000) 3
Average family size (2000) 3
Median household income (1999) $45,922
Aggregate household income (1999) $123,376,000,000
Aggregate household income less than $200,000 (1999) $100,322,000,000
Aggregate household income $200,000 or more (1999) $23,054,081,000
Household's with no interest, dividends, or net rental income (2000) 720,570
Household's with social security income (2000) 468,754
Households with retirement income (2000) 277,796
Per capita income (1999) 23,227
Population with income level at or above poverty (1999) 4,572,119
Housing units (2000) 2,096,121
Housing units (2003) 2,124,010
Housing units (2004) 2,134,463
Housing units (2005) 2,143,737
Change in housing units from 2004 to 2005 9274
Percent change housing units from 2004 to 2005 0
Growth rank 1,861
Median house value (2000) 154,300
Charts (click to view charts)
Household Income Distribution (2000)
Family Income Distribution (2000)
Travel Time to Work (2000)
Workers 16 Years and Older Transportation To Work (2000)
Age Distribution Below Poverty (2000)