Illinois City ZIP Codes — Rock Island County, IL

There is one unique ZIP code in Illinois City, Illinois and it is 61259. Area code: 309.
1
ZIP codes
76.83
sq mi land
8.44
sq mi water
309
area code
Illinois City, IL ZIP code map

About Illinois City, IL

Illinois City, located in Rock Island County, is a charming small town in the state of Illinois. Known for its picturesque landscapes and close-knit community, this city serves as a quiet retreat for those looking to escape the hustle and bustle of city life. With a rich agricultural history and beautiful natural surroundings, Illinois City offers both residents and visitors a unique glimpse into rural Illinois life.

Location & geography

Situated in the western part of Illinois, Illinois City boasts a land area of 76.83 square miles, complemented by an additional 8.44 square miles of water. The city is positioned near the larger cities of Moline, approximately 15 miles to the southeast, Davenport, about 18 miles to the east, and Rock Island, roughly 15 miles to the southeast. The diverse terrain features lush fields and waterways, contributing to the scenic beauty of the area.

Community & economy

Illinois City has a warm, welcoming community characterized by strong local ties and a commitment to maintaining its rural charm. The area's economy is primarily driven by agriculture, with local farms playing a significant role in daily life and community events. Residents enjoy a slower pace of life, with many families participating in outdoor activities and community gatherings throughout the year.

Transportation

Transportation in Illinois City is facilitated by several highways, including Illinois Route 92, which connects the city to neighboring towns and larger cities in the region. The closest major airport is Quad City International Airport, located approximately 20 miles away in Moline, providing access to both domestic and some international flights. Public transit options are more limited, but the city's accessibility makes it convenient for residents to travel by car.

History

Illinois City was founded in the mid-19th century and has developed a strong agricultural base as one of its key industries. Throughout its history, the city has experienced various developments, including the establishment of local businesses and community events that celebrate its rich heritage. Notable events include annual harvest festivals that pay homage to the city's agrarian roots.

Did you know?

One surprising fact about Illinois City is its unique blend of rural life and close proximity to urban amenities, making it an appealing choice for those who appreciate both. Additionally, despite being a small community, Illinois City has a rich cultural tapestry influenced by its agricultural history and neighboring urban areas.

ZIP codes for Illinois City, IL (1)
ZIP code City County Map
61259 Illinois City Rock Island View map

Demographics & statistics

1,379
Population
52.5
Median age
$91,080
Median household income
$40,908
Per capita income
$210,800
Median home value
$0
Median monthly rent
90.9%
Home ownership
4.8%
Poverty rate
3.2%
Unemployment
595
Housing units
21.8%
Bachelor's or higher

Age distribution

Male Female
49
Under 5
46
6
5–9
6
31
10–14
29
50
15–19
46
36
20–24
34
35
25–34
33
39
35–44
37
166
45–54
156
106
55–59
100
51
60–64
47
90
65–74
85
29
75–84
28
23
85+
21
← Male
Female →

Age summary

GroupCount%
Under 1823817.3%
18 and over1,14182.7%
65 and over27620.0%
Median age52.5 years

Race & ethnicity

White 100%
GroupCount%
White1,379100%

Household income

Under $10k 3.6%
$15k–$25k 3.1%
$25k–$35k 4.1%
$35k–$50k 15.9%
$50k–$75k 15.2%
$75k–$100k 12.4%
$100k–$150k 25.9%
$150k–$200k 18.1%
$200k+ 1.7%
Range% of households
Under $10k3.6%
$15k–$25k3.1%
$25k–$35k4.1%
$35k–$50k15.9%
$50k–$75k15.2%
$75k–$100k12.4%
$100k–$150k25.9%
$150k–$200k18.1%
$200k+1.7%
Median income$91,080

Housing

Home values

Under $50k 1.7%
$50k–$100k 6.1%
$100k–$150k 12.5%
$150k–$200k 26.4%
$200k–$300k 27.3%
$300k–$500k 16.9%
$500k–$1M 1.9%
$1M+ 7.2%

Housing overview

MetricValue
Median home value$210,800
Median rent / month$0
Owner occupied90.9%
Renter occupied9.1%
Vacant10.5%
Single-family detached95.7%
Large apartment buildings0.0%
Mobile homes2.9%
Median rooms6.6
Avg household size (owned)2.43

Year built

Era%
2020 or later0.0%
2010–20194.9%
2000–200917.9%
1990–19996.0%
1980–19899.1%
1970–19798.8%
1960–19696.3%
1950–19592.8%
1940–194913.1%
1939 or earlier31.0%

Bedrooms

Size% of units
No bedroom (studio)0.0%
1 bedroom1.7%
2 bedrooms21.9%
3 bedrooms59.3%
4 bedrooms14.4%
5+ bedrooms2.8%

Vehicles per household

Vehicles% of households
No vehicle1.2%
1 vehicle15.0%
2 vehicles34.7%
3 or more49.1%

Heating fuel

Fuel type%
Utility gas20.9%
Electricity3.8%
Propane / LP gas72.9%
Wood1.2%

Households & families

Household typeCount%
Married-couple family39367.8%
Cohabiting couple325.5%
Male householder, no spouse10718.4%
Female householder, no spouse488.3%
Households with children under 1816127.8%
Households with seniors (65+)19333.3%
Average household size2.38

Marital status

StatusMaleFemale
Never married27.1%21.7%
Married62.3%68.2%
Separated0.0%1.5%
Widowed4.9%3.6%
Divorced5.7%5.0%

Education

Less than 9th grade 0.0%
Some HS, no diploma 7.3%
HS graduate 31.0%
Some college, no degree 30.8%
Associate's degree 9.2%
Bachelor's degree 15.9%
Graduate / professional 5.9%
Metric%
HS diploma or higher92.7%
Bachelor's or higher21.8%

School enrollment (ages 3–17)

TypeCount%
Nursery / preschool219.5%
Kindergarten00.0%
Elementary school6027.1%
High school3013.6%
College / grad school11049.8%

Employment

Industry of employment

Education & healthcare 22.3%
Manufacturing 14.5%
Retail trade 11.9%
Construction 11.3%
Transportation & utilities 8.7%
Finance & real estate 6.7%
Public administration 5.7%
Agriculture & mining 5.2%
Other services 5.2%
Professional & management 3.3%
Arts, food & hospitality 2.9%
Information 1.4%
Wholesale trade 0.9%

Occupation

Category%
Management, business & arts45.9%
Service12.3%
Sales & office12.6%
Natural resources & construction12.0%
Production & transportation17.1%

Employment type

Type%
Private sector70.6%
Government22.8%
Self-employed6.7%
Unpaid family workers0.0%

Commute

Method%
Drive alone95.0%
Carpool0.0%
Public transit0.0%
Walk1.7%
Other means2.2%
Avg commute (minutes)37.1

Poverty

All people 4.8%
Under 18 years 0.0%
18 and over 5.8%
Married-couple families 5.3%
Female-led households 0.0%

Income support

Source% of households
Social Security27.8%
Retirement income30.3%
Supplemental Security1.6%
Cash public assistance0.0%
Food stamps / SNAP1.6%

Health indicators

Condition%
High blood pressure31.7%
High cholesterol34.1%
Heart disease6.3%
Stroke2.7%
Asthma9.1%
Arthritis27.1%
Kidney disease2.7%
Pulmonary disease6.4%
Cancer7.6%
Behavior / access%
Binge drinking15.4%
No physical activity22.8%
Less than 7 hrs sleep32.5%
Fair or poor health11.9%
Poor mental health11.5%
Poor physical health8.9%
No health insurance8.5%
Visited doctor (checkup)79.3%
Visited dentist69.5%
Cholesterol screening92.5%
Teeth loss10.9%

Veterans & disability

VeteransCount%
Civilian veterans1109.6%
Disability%
Any disability10.2%
Under 180.0%
18–64 years8.6%
65 and over24.3%

Health insurance coverage

Type%
Private insurance84.3%
Public insurance28.3%
Uninsured under 190.0%

Language & origin

Language spoken at home (age 5+)

LanguageCount%
English only1,28493.1%
Spanish181.4%
Other Indo-European00.0%
Asian & Pacific Islander181.4%
Other languages00.0%

Place of birth & citizenship

OriginCount%
Native born (US)1,34597.5%
Born in same state1,34597.5%
Born in different state62445.3%
Foreign born00.0%
Naturalized citizen342.5%
Not a US citizen34100.0%

Ancestry

AncestryCount%
Arab22816.5%
Italian1369.9%
French866.2%
AncestryCount%
English231.7%
Polish120.9%

Technology access

Metric% of households
Computer access42.1%
Internet access92.9%

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

Frequently asked questions
What ZIP codes does Illinois City, IL have?
Illinois City, IL has one ZIP code: 61259. Each ZIP code serves a distinct delivery area within the city and surrounding region.
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