Rock Island County, IL ZIP Codes

Illinois (IL)  ·  21 ZIP codes  ·  18 cities
21
ZIP codes
142,909
population (2021)
-3.1%
pop change since 2010
17161
FIPS code
Rock Island County ZIP code map
About Rock Island County
Rock Island County is located in Illinois and contains 21 ZIP codes across 18 cities and communities. The county's population was 142,909 as of 2021, a decrease of 3.1% from 147,546 in 2010. The timezone is Mountain Time (observes DST). The Federal Information Processing System (FIPS) code for Rock Island County is 17161.
Population
2021 population142,909
2010 population147,546
Change-3.1%
County details
StateIllinois
FIPS code17161
TimezoneMountain
Daylight savingYes
Cities in Rock Island County
Andalusia Barstow Buffalo Prairie Carbon Cliff Coal Valley Cordova East Moline Hampton Hillsdale Illinois City Milan Moline Port Byron Rapids City Reynolds Rock Island Silvis Taylor Ridge
ZIP codes for Rock Island County, IL (21)
ZIP code City County Map
61201 Rock Island Rock Island View map
61204 Rock Island Rock Island View map
61232 Andalusia Rock Island View map
61236 Barstow Rock Island View map
61237 Buffalo Prairie Rock Island View map
61239 Carbon Cliff Rock Island View map
61240 Coal Valley Rock Island View map
61242 Cordova Rock Island View map
61244 East Moline Rock Island View map
61256 Hampton Rock Island View map
61257 Hillsdale Rock Island View map
61259 Illinois City Rock Island View map
61264 Milan Rock Island View map
61265 Moline Rock Island View map
61266 Moline Rock Island View map
61275 Port Byron Rock Island View map
61278 Rapids City Rock Island View map
61279 Reynolds Rock Island View map
61282 Silvis Rock Island View map
61284 Taylor Ridge Rock Island View map
61299 Rock Island Rock Island View map

Demographics & statistics

144,300
Population
40.3
Median age
$65,538
Median household income
$34,479
Per capita income
$163,453
Median home value
$805
Median monthly rent
77.0%
Home ownership
10.4%
Poverty rate
5.6%
Unemployment
47,731
Housing units
21.9%
Bachelor's or higher

Age distribution

Male Female
4,248
Under 5
4,232
4,440
5–9
4,423
4,626
10–14
4,608
4,735
15–19
4,717
4,508
20–24
4,492
8,702
25–34
8,670
8,779
35–44
8,746
8,367
45–54
8,335
4,707
55–59
4,690
4,909
60–64
4,890
8,156
65–74
8,126
4,367
75–84
4,350
1,742
85+
1,735
← Male
Female →

Age summary

GroupCount%
Under 1832,06620.6%
18 and over112,23479.4%
65 and over28,47622.3%
Median age40.3 years

Race & ethnicity

White 69.9%
Black or African American 9.9%
Hispanic or Latino 7%
Two or more races 6.5%
Other race 4%
Asian 2.4%
American Indian / Alaska Native 0.2%
Native Hawaiian / Pacific Islander 0.2%
GroupCount%
White108,37569.9%
Black or African American15,4079.9%
Hispanic or Latino10,7807%
Two or more races10,0166.5%
Other race6,2044%
Asian3,7532.4%
American Indian / Alaska Native3080.2%
Native Hawaiian / Pacific Islander2370.2%

Household income

Under $10k 4.4%
$10k–$15k 2.3%
$15k–$25k 6.9%
$25k–$35k 7.2%
$35k–$50k 12.7%
$50k–$75k 17.1%
$75k–$100k 15.4%
$100k–$150k 19.8%
$150k–$200k 8.3%
$200k+ 5.8%
Range% of households
Under $10k4.4%
$10k–$15k2.3%
$15k–$25k6.9%
$25k–$35k7.2%
$35k–$50k12.7%
$50k–$75k17.1%
$75k–$100k15.4%
$100k–$150k19.8%
$150k–$200k8.3%
$200k+5.8%
Median income$65,538

Housing

Home values

Under $50k 6.7%
$50k–$100k 15.5%
$100k–$150k 24.2%
$150k–$200k 17.8%
$200k–$300k 21.6%
$300k–$500k 10.3%
$500k–$1M 3.1%
$1M+ 0.9%

Housing overview

MetricValue
Median home value$163,453
Median rent / month$805
Owner occupied77.0%
Renter occupied23.0%
Vacant8.4%
Single-family detached79.2%
Large apartment buildings4.5%
Mobile homes3.2%
Median rooms5.8
Avg household size (owned)2.38

Year built

Era%
2020 or later0.5%
2010–20195.8%
2000–20098.7%
1990–19999.6%
1980–19896.6%
1970–197917.2%
1960–196915.1%
1950–195912.0%
1940–19496.0%
1939 or earlier18.5%

Bedrooms

Size% of units
No bedroom (studio)1.2%
1 bedroom5.7%
2 bedrooms24.9%
3 bedrooms50.6%
4 bedrooms14.4%
5+ bedrooms3.2%

Vehicles per household

Vehicles% of households
No vehicle5.4%
1 vehicle28.2%
2 vehicles41.9%
3 or more24.5%

Heating fuel

Fuel type%
Utility gas72.0%
Electricity13.0%
Propane / LP gas13.2%
Fuel oil0.4%
Wood0.3%
No fuel used0.6%

Households & families

Household typeCount%
Married-couple family27,07754.8%
Cohabiting couple4,1366.6%
Male householder, no spouse12,27016.4%
Female householder, no spouse17,72522.3%
Households with children under 1816,53126.9%
Households with seniors (65+)20,79736.4%
Average household size2.33

Marital status

StatusMaleFemale
Never married29.3%23.6%
Married58.0%56.0%
Separated1.3%1.1%
Widowed2.8%8.2%
Divorced8.7%11.2%

Education

Less than 9th grade 2.1%
Some HS, no diploma 6.7%
HS graduate 34.3%
Some college, no degree 23.5%
Associate's degree 11.4%
Bachelor's degree 14.2%
Graduate / professional 7.7%
Metric%
HS diploma or higher91.2%
Bachelor's or higher21.9%

School enrollment (ages 3–17)

TypeCount%
Nursery / preschool2,4017.9%
Kindergarten1,8465.8%
Elementary school14,00744.9%
High school6,86222.7%
College / grad school7,78918.8%

Employment

Industry of employment

Education & healthcare 21.1%
Manufacturing 15.0%
Retail trade 11.0%
Transportation & utilities 8.4%
Construction 8.1%
Arts, food & hospitality 7.7%
Finance & real estate 7.0%
Professional & management 6.4%
Public administration 4.5%
Wholesale trade 3.6%
Other services 3.4%
Agriculture & mining 2.1%
Information 1.7%

Occupation

Category%
Management, business & arts34.0%
Service15.5%
Sales & office20.6%
Natural resources & construction10.4%
Production & transportation19.4%

Employment type

Type%
Private sector80.8%
Government14.8%
Self-employed4.1%
Unpaid family workers0.4%

Commute

Method%
Drive alone83.0%
Carpool6.8%
Public transit0.5%
Walk4.0%
Other means0.6%
Avg commute (minutes)23.9

Poverty

All people 10.4%
Under 18 years 12.2%
18 and over 9.7%
Married-couple families 4.6%
Female-led households 21.2%

Income support

Source% of households
Social Security34.8%
Retirement income33.2%
Supplemental Security3.8%
Cash public assistance1.7%
Food stamps / SNAP9.1%

Health indicators

Condition%
High blood pressure32.2%
High cholesterol33.2%
Heart disease6.7%
Stroke3.1%
Asthma9.7%
Arthritis27.1%
Kidney disease2.9%
Pulmonary disease7.1%
Cancer7.1%
Behavior / access%
Binge drinking15.0%
No physical activity25.6%
Less than 7 hrs sleep33.6%
Fair or poor health14.2%
Poor mental health12.6%
Poor physical health10.0%
No health insurance10.6%
Visited doctor (checkup)78.9%
Visited dentist64.5%
Cholesterol screening90.4%
Teeth loss13.5%

Veterans & disability

VeteransCount%
Civilian veterans8,5269.1%
Disability%
Any disability13.3%
Under 184.4%
18–64 years10.2%
65 and over29.2%

Health insurance coverage

Type%
Private insurance74.4%
Public insurance37.6%
Uninsured under 194.0%

Language & origin

Language spoken at home (age 5+)

LanguageCount%
English only135,82095.0%
Spanish6,9262.3%
Other Indo-European3,3101.0%
Asian & Pacific Islander1,1600.6%
Other languages1,2500.4%

Place of birth & citizenship

OriginCount%
Native born (US)132,80396.0%
Born in same state131,62795.2%
Born in different state93,59265.3%
Foreign born1,1760.8%
Naturalized citizen11,4974.0%
Not a US citizen5,03749.0%

Ancestry

AncestryCount%
Italian15,89111%
French11,6648.1%
Arab4,5163.1%
English1,9931.4%
Polish1,9791.4%
AncestryCount%
Dutch5570.4%
Norwegian3390.2%
German2110.1%
Irish1520.1%

Technology access

Metric% of households
Computer access42.7%
Internet access93.3%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

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