Rock Island ZIP Codes — Rock Island County, IL

There are 3 unique ZIP codes in Rock Island, Illinois. Area code: 309.

ZIP codes

17.87

sq mi land

2.25

sq mi water

309

area code

Rock Island, IL ZIP code map

About Rock Island, IL

Rock Island, Illinois, is a city rich in history and community spirit, situated along the Mississippi River. Known for its beautiful parks and vibrant neighborhoods, Rock Island offers a unique blend of urban life and natural beauty. The city is part of Rock Island County and features a diverse population that cherishes its cultural heritage.

Location & geography

Rock Island is located in the northwestern region of Illinois, approximately 180 miles west of Chicago and neighboring the cities of Moline, Davenport, and East Moline. The city covers a land area of 17.87 square miles and a water area of 2.25 square miles, creating a picturesque setting along the riverfront. The terrain is characterized by its flatlands and proximity to the extensive waterways of the Mississippi River.

Community & economy

The community of Rock Island is characterized by its friendly and welcoming atmosphere, where residents take pride in their local culture and activities. Various industries thrive here, including manufacturing, healthcare, and education, providing ample employment opportunities to locals. Daily life in Rock Island is enriched by numerous parks, community events, and art festivals that encourage social engagement.

Transportation

Rock Island is accessible via major highways, including Interstate 74, which connects the city to surrounding areas. The nearest airport is the Quad City International Airport, located about 10 miles away in Moline, providing convenient travel options. Local transit options include buses operating throughout the city and connections to the greater Quad Cities area.

History

Rock Island was founded in the early 19th century and has historically been a hub for transportation and industry, primarily due to its strategic location along the Mississippi River. The city played a significant role in the development of the railroad and river shipping industries. Notable events include the establishment of Rock Island Arsenal, which has served various military functions since the mid-1800s.

Did you know?

One little-known fact about Rock Island is that it is home to the largest municipal park in the Quad Cities, named Centennial Park. This park features trails, sports facilities, and beautiful river views, making it a central recreational spot for residents and visitors alike.

ZIP codes for Rock Island, IL (3)

ZIP code	City	County	Map
61201	Rock Island	Rock Island	View map
61204	Rock Island	Rock Island	View map
61299	Rock Island	Rock Island	View map

Demographics & statistics

37,838

Population

35.3

Median age

$55,613

Median household income

$30,150

Per capita income

$115,700

Median home value

$803

Median monthly rent

62.4%

Home ownership

22.3%

Poverty rate

7.5%

Unemployment

11,398

Housing units

22.2%

Bachelor's or higher

Age distribution

Male Female

1,199

Under 5

1,217

1,041

5–9

1,057

1,263

10–14

1,282

1,784

15–19

1,812

1,697

20–24

1,722

2,356

25–34

2,391

2,019

35–44

2,049

1,900

45–54

1,929

1,068

55–59

1,084

1,252

60–64

1,271

1,914

65–74

1,943

878

75–84

891

406

85+

413

← Male

Female →

Age summary

Group	Count	%
Under 18	8,414	22.2%
18 and over	29,424	77.8%
65 and over	6,445	17.0%
Median age	35.3 years

Race & ethnicity

White 64.4%

Black or African American 15.9%

Two or more races 6.5%

Hispanic or Latino 5.3%

Asian 4.1%

Other race 3.1%

Native Hawaiian / Pacific Islander 0.4%

American Indian / Alaska Native 0.3%

Group	Count	%
White	25,726	64.4%
Black or African American	6,366	15.9%
Two or more races	2,591	6.5%
Hispanic or Latino	2,126	5.3%
Asian	1,647	4.1%
Other race	1,227	3.1%
Native Hawaiian / Pacific Islander	174	0.4%
American Indian / Alaska Native	107	0.3%

Household income

Under $10k 8.4%

$10k–$15k 6.2%

$15k–$25k 7.1%

$25k–$35k 9.5%

$35k–$50k 14.2%

$50k–$75k 19.4%

$75k–$100k 13.0%

$100k–$150k 13.3%

$150k–$200k 5.1%

$200k+ 3.8%

Range	% of households
Under $10k	8.4%
$10k–$15k	6.2%
$15k–$25k	7.1%
$25k–$35k	9.5%
$35k–$50k	14.2%
$50k–$75k	19.4%
$75k–$100k	13.0%
$100k–$150k	13.3%
$150k–$200k	5.1%
$200k+	3.8%
Median income	$55,613

Housing

Home values

Under $50k 6.6%

$50k–$100k 30.9%

$100k–$150k 33.2%

$150k–$200k 13.0%

$200k–$300k 11.6%

$300k–$500k 3.4%

$500k–$1M 1.2%

$1M+ 0.2%

Housing overview

Metric	Value
Median home value	$115,700
Median rent / month	$803
Owner occupied	62.4%
Renter occupied	37.6%
Vacant	10.3%
Single-family detached	66.4%
Large apartment buildings	8.6%
Mobile homes	1.1%
Median rooms	5.4
Avg household size (owned)	2.35

Year built

Era	%
2020 or later	0.0%
2010–2019	2.7%
2000–2009	3.7%
1990–1999	3.0%
1980–1989	4.6%
1970–1979	9.9%
1960–1969	11.5%
1950–1959	16.8%
1940–1949	13.2%
1939 or earlier	34.6%

Bedrooms

Size	% of units
No bedroom (studio)	2.6%
1 bedroom	14.8%
2 bedrooms	33.7%
3 bedrooms	34.8%
4 bedrooms	11.9%
5+ bedrooms	2.2%

Vehicles per household

Vehicles	% of households
No vehicle	11.4%
1 vehicle	37.5%
2 vehicles	37.2%
3 or more	13.9%

Heating fuel

Fuel type	%
Utility gas	81.4%
Electricity	16.6%
Propane / LP gas	0.6%
No fuel used	0.7%

Households & families

Household type	Count	%
Married-couple family	5,314	34.4%
Cohabiting couple	1,453	9.4%
Male householder, no spouse	3,673	23.8%
Female householder, no spouse	4,999	32.4%
Households with children under 18	3,887	25.2%
Households with seniors (65+)	4,781	31.0%
Average household size	2.27

Marital status

Status	Male	Female
Never married	45.4%	38.2%
Married	39.3%	35.9%
Separated	1.7%	2.3%
Widowed	3.2%	9.5%
Divorced	10.3%	14.2%

Education

Less than 9th grade 4.4%

Some HS, no diploma 7.2%

HS graduate 30.0%

Some college, no degree 27.2%

Associate's degree 8.9%

Bachelor's degree 13.5%

Graduate / professional 8.7%

Metric	%
HS diploma or higher	88.4%
Bachelor's or higher	22.2%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	635	6.2%
Kindergarten	509	5.0%
Elementary school	3,572	34.9%
High school	1,757	17.2%
College / grad school	3,767	36.8%

Employment

Industry of employment

Education & healthcare 24.2%

Manufacturing 14.7%

Retail trade 11.5%

Arts, food & hospitality 11.1%

Professional & management 9.4%

Transportation & utilities 8.1%

Finance & real estate 5.3%

Construction 4.8%

Public administration 3.9%

Other services 2.9%

Wholesale trade 2.3%

Information 1.3%

Agriculture & mining 0.5%

Occupation

Category	%
Management, business & arts	29.4%
Service	20.8%
Sales & office	21.4%
Natural resources & construction	7.2%
Production & transportation	21.1%

Employment type

Type	%
Private sector	85.1%
Government	11.5%
Self-employed	3.4%
Unpaid family workers	0.1%

Commute

Method	%
Drive alone	78.3%
Carpool	7.3%
Public transit	2.1%
Walk	4.0%
Other means	1.6%
Avg commute (minutes)	19.0

Poverty

All people 22.3%

Under 18 years 33.3%

18 and over 18.9%

Married-couple families 7.5%

Female-led households 30.5%

Income support

Source	% of households
Social Security	31.1%
Retirement income	28.5%
Supplemental Security	4.2%
Cash public assistance	4.3%
Food stamps / SNAP	20.5%

Health indicators

Condition	%
High blood pressure	33.4%
High cholesterol	31.7%
Heart disease	6.9%
Stroke	3.6%
Asthma	10.7%
Arthritis	26.8%
Kidney disease	3.3%
Pulmonary disease	7.7%
Cancer	6.6%

Behavior / access	%
Binge drinking	14.2%
No physical activity	29.5%
Less than 7 hrs sleep	35.8%
Fair or poor health	17.6%
Poor mental health	14.1%
Poor physical health	11.2%
No health insurance	13.1%
Visited doctor (checkup)	79.4%
Visited dentist	58.3%
Cholesterol screening	87.7%
Teeth loss	17.0%

Veterans & disability

Veterans	Count	%
Civilian veterans	1,791	6.1%

Disability	%
Any disability	15.0%
Under 18	7.8%
18–64 years	12.2%
65 and over	35.2%

Health insurance coverage

Type	%
Private insurance	64.1%
Public insurance	42.7%
Uninsured under 19	2.8%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	35,422	93.6%
Spanish	1,727	4.9%
Other Indo-European	656	1.9%
Asian & Pacific Islander	100	0.3%
Other languages	542	1.5%

Place of birth & citizenship

Origin	Count	%
Native born (US)	34,328	90.7%
Born in same state	34,155	90.3%
Born in different state	24,121	63.7%
Foreign born	173	0.5%
Naturalized citizen	3,510	9.3%
Not a US citizen	1,565	44.6%

Ancestry

Ancestry	Count	%
Italian	4,570	12.1%
French	2,576	6.8%
Arab	885	2.3%
Polish	423	1.1%
English	392	1%

Ancestry	Count	%
Norwegian	119	0.3%
Dutch	113	0.3%
German	61	0.2%
Irish	46	0.1%

Technology access

Metric	% of households
Computer access	40.8%
Internet access	91.9%

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

Frequently asked questions

What ZIP codes does Rock Island, IL have?

Rock Island, IL has two ZIP codes: 61201 and 61299. Each ZIP code serves a distinct delivery area within the city and surrounding region.