General Characteristics

Total Population Rock Island 37,332
Total Population Quad Cities 376,160
Median Age 38
Male 48.4%
Female 51.6%

0 to 19 years 28.5%
20 to 24 years 7.1%
25 to 34 years 11.1%
35 to 44 years 13.0%
45 to 54 years 13.5%
55 to 64 years 10.4%

65 years & older 16.4%
18 years & older 77.1%

White 74.9%
Black or African America 21.0%
American Indian and Alaska Native 0.2%
Asian 0.8%
Native Hawaiian and Other Pacific Islander 0%
Some other race 3.1%
One race 97.6%
Two or more races 2.4%
Hispanic or Latino (of any race) 8.5% 

Social Characteristics

Total Households 15,077
Average Household Size 2.3
High School Graduate or Higher 84.9%
Bachelor’s degree or higher 19.6%
Households with Individuals Under 18 Years 25.9%
School Enrollment K-12 6,569

Never Married - Males 39%, Females 30.5% (population 15 years and older)
Married – Males 46.1%, Females 40.3%
Widowed – Males 2.7%, Females 12.7%
Divorced – Males 10.5%, Females 13.6% 

Economic Characteristics

Median Household Income $37,186
Mean Household Income $49,595

Household Income & Benefits (in 2007 inflation-adjusted dollars)

• Less than $10,000 12.7%
• $10,000 to $14,999 8.8%
• $15,000 to $24,999 14.0%
• $35,000 to $49,999 17.8%
• $50,000 to $74,999 17.1%
• $75,000 to $99,999 8.1%
• $100,000 to $149,999 7.0%
• $150,000 to $199,999 1.9%
• $200,000 or more 1.9%

Mean Earnings $49,515 (72.4% of household population)
Mean Social Security Income $13,409 (33.5% of household population)
Mean Retirement Income $19,102 (25.4% of household population)

In Labor Force 60.9% (population 16 years and older)
Employed 54.8%
Unemployed 5.9%

Occupation (civilian employed population 16 years and older)

• Management, professional & related occupations 25.4%
• Service occupations 17.9%
• Sales and office occupations 29.6%
• Farming, fishing & forestry occupations 0.2%
• Construction, extractions, maintenance & repair occupations 9.2%
• Production, transportation, & material moving occupations 17.7%

Industry (civilian employed population 16 years and older)

• Agriculture, forestry, fishing and hunting, and mining 0.1%
• Construction 5.4%
• Manufacturing 14.0%
• Wholesale trade 3.9%
• Retail trade 13.2%
• Transportation and warehousing & utilities 4.3%
• Information 1.8%
• Professional, scientific and management & administrative and waste management services 7.4%
• Educational services, & health care and social assistance 21.5%
• Arts, entertainment, and recreation & accommodation and food services 12.1%
• Other services, except public administration 5.4%
• Public administration 5.1% 

Housing Characteristics

Total Housing Units 16,809
Owner-Occupied Housing Units 69.0%
Renter-Occupied Housing Units 31.0%
Median Value of Owner-Occupied Homes $90,500
Median Monthly Rent $516

Year House Built

• Built 2000 or later 0.7%
• Built 1980 to 1999 6.5%
• Built 1960 to 1979 20.2%
• Built 1940 to 1959 32.4%
• Built 1939 or earlier 40.1%

For more details, download the population and housing narrative.

Source: U.S. Census Bureau, 2005-2007 American Community Survey