Keithsburg ZIP Codes — Mercer County, IL

There is one unique ZIP code in Keithsburg, Illinois and it is 61442. Area code: 309.
1
ZIP codes
28.59
sq mi land
2.46
sq mi water
309
area code
Keithsburg, IL ZIP code map

About Keithsburg, IL

Keithsburg, Illinois, is a charming small city located in Mercer County. Known for its quaint character and close-knit community, it offers a serene environment for its residents. The city is primarily rural, providing a peaceful backdrop for daily life and leisure activities.

Location & geography

Keithsburg sits in the western part of Illinois, surrounded by picturesque landscapes and waterways. Nearby cities include Aledo, approximately 14 miles to the north, Monmouth about 23 miles to the west, and Burlington, which is roughly 25 miles to the east. The city covers a land area of 28.59 square miles, complemented by a water area of 2.46 square miles, creating a mix of pastoral land and scenic water features.

Community & economy

The community of Keithsburg features a relaxed, small-town atmosphere where residents often know one another. The local economy thrives on agriculture, with farming being a significant industry, while small businesses contribute to the charming downtown area. Daily life in Keithsburg is characterized by close community ties, local events, and outdoor recreational activities along the nearby waterways.

Transportation

Keithsburg is accessible via several local roads and state highways, with Illinois Route 17 running through the area. The nearest major airport is Quad City International Airport, located approximately 30 miles away in Moline, providing convenient access for travel. Public transit options are limited, which is typical for small towns in rural Illinois.

History

Keithsburg was established in the mid-19th century and has a rich agricultural heritage that has shaped its identity over the years. The city was initially a hub for trade and farming, vital for the region's economy, and has seen various developments since its founding. Notable events include local fairs and festivals that celebrate the city’s agricultural roots and community spirit.

Did you know?

A little-known fact about Keithsburg is that it was once home to a thriving riverboat trade due to its proximity to the Mississippi River. This history is often overlooked, yet it contributed significantly to the area’s early economic development.

ZIP codes for Keithsburg, IL (1)
ZIP code City County Map
61442 Keithsburg Mercer View map

Demographics & statistics

678
Population
50.5
Median age
$62,788
Median household income
$40,178
Per capita income
$72,900
Median home value
$564
Median monthly rent
88.0%
Home ownership
14.3%
Poverty rate
9.2%
Unemployment
413
Housing units
7.4%
Bachelor's or higher

Age distribution

Male Female
15
Under 5
15
11
5–9
11
19
10–14
19
10
15–19
11
13
20–24
13
57
25–34
57
27
35–44
27
48
45–54
49
18
55–59
18
25
60–64
26
48
65–74
48
37
75–84
38
9
85+
9
← Male
Female →

Age summary

GroupCount%
Under 1810014.7%
18 and over57885.3%
65 and over18927.9%
Median age50.5 years

Race & ethnicity

White 98.8%
Two or more races 1.2%
GroupCount%
White67098.8%
Two or more races81.2%

Household income

Under $10k 5.5%
$10k–$15k 5.5%
$15k–$25k 8.7%
$25k–$35k 12.0%
$35k–$50k 10.7%
$50k–$75k 17.5%
$75k–$100k 9.4%
$100k–$150k 16.8%
$150k–$200k 9.4%
$200k+ 4.5%
Range% of households
Under $10k5.5%
$10k–$15k5.5%
$15k–$25k8.7%
$25k–$35k12.0%
$35k–$50k10.7%
$50k–$75k17.5%
$75k–$100k9.4%
$100k–$150k16.8%
$150k–$200k9.4%
$200k+4.5%
Median income$62,788

Housing

Home values

Under $50k 38.6%
$50k–$100k 32.0%
$100k–$150k 17.3%
$150k–$200k 12.1%

Housing overview

MetricValue
Median home value$72,900
Median rent / month$564
Owner occupied88.0%
Renter occupied12.0%
Vacant31.3%
Single-family detached64.4%
Large apartment buildings0.0%
Mobile homes25.1%
Median rooms5.8
Avg household size (owned)2.21

Year built

Era%
2020 or later0.0%
2010–20190.0%
2000–20090.4%
1990–199931.8%
1980–19895.8%
1970–197919.8%
1960–19692.7%
1950–19598.2%
1940–19492.4%
1939 or earlier28.9%

Bedrooms

Size% of units
No bedroom (studio)9.6%
1 bedroom2.0%
2 bedrooms30.0%
3 bedrooms49.6%
4 bedrooms8.0%
5+ bedrooms0.9%

Vehicles per household

Vehicles% of households
No vehicle1.0%
1 vehicle28.2%
2 vehicles43.0%
3 or more27.8%

Heating fuel

Fuel type%
Utility gas73.1%
Electricity8.4%
Propane / LP gas15.2%
Fuel oil2.3%
Wood1.0%

Households & families

Household typeCount%
Married-couple family16754.0%
Cohabiting couple299.4%
Male householder, no spouse5618.1%
Female householder, no spouse5718.4%
Households with children under 184715.2%
Households with seniors (65+)13644.0%
Average household size2.19

Marital status

StatusMaleFemale
Never married26.8%19.1%
Married54.2%57.9%
Separated3.5%1.1%
Widowed11.0%14.7%
Divorced4.5%7.2%

Education

Less than 9th grade 1.7%
Some HS, no diploma 12.0%
HS graduate 52.9%
Some college, no degree 21.8%
Associate's degree 4.3%
Bachelor's degree 6.3%
Graduate / professional 1.1%
Metric%
HS diploma or higher86.3%
Bachelor's or higher7.4%

School enrollment (ages 3–17)

TypeCount%
Nursery / preschool89.1%
Kindergarten66.8%
Elementary school5158.0%
High school1314.8%
College / grad school1011.4%

Employment

Industry of employment

Manufacturing 17.5%
Agriculture & mining 17.2%
Education & healthcare 15.1%
Construction 14.2%
Retail trade 13.8%
Transportation & utilities 5.5%
Other services 4.6%
Arts, food & hospitality 4.3%
Professional & management 3.1%
Information 2.2%
Public administration 1.8%
Finance & real estate 0.6%

Occupation

Category%
Management, business & arts18.5%
Service14.8%
Sales & office15.4%
Natural resources & construction32.0%
Production & transportation19.4%

Employment type

Type%
Private sector92.6%
Government6.2%
Self-employed1.2%
Unpaid family workers0.0%

Commute

Method%
Drive alone84.0%
Carpool16.0%
Public transit0.0%
Walk0.0%
Other means0.0%
Avg commute (minutes)32.8

Poverty

All people 14.3%
Under 18 years 36.0%
18 and over 10.6%
Married-couple families 7.2%
Female-led households 0.0%

Income support

Source% of households
Social Security39.5%
Retirement income31.7%
Supplemental Security12.0%
Cash public assistance0.6%
Food stamps / SNAP12.9%

Health indicators

Condition%
High blood pressure38.3%
High cholesterol36.6%
Heart disease8.6%
Stroke3.9%
Asthma10.0%
Arthritis31.8%
Kidney disease3.5%
Pulmonary disease9.5%
Cancer8.2%
Behavior / access%
Binge drinking13.8%
No physical activity29.1%
Less than 7 hrs sleep32.5%
Fair or poor health17.3%
Poor mental health13.1%
Poor physical health11.9%
No health insurance11.4%
Visited doctor (checkup)77.7%
Visited dentist58.0%
Cholesterol screening90.3%
Teeth loss17.2%

Veterans & disability

VeteransCount%
Civilian veterans8414.5%
Disability%
Any disability20.5%
Under 187.0%
18–64 years11.3%
65 and over46.6%

Health insurance coverage

Type%
Private insurance60.8%
Public insurance48.1%
Uninsured under 1919.0%

Language & origin

Language spoken at home (age 5+)

LanguageCount%
English only64895.6%
Spanish00.0%
Other Indo-European00.0%
Asian & Pacific Islander00.0%
Other languages00.0%

Place of birth & citizenship

OriginCount%
Native born (US)67699.7%
Born in same state67699.7%
Born in different state53378.6%
Foreign born00.0%
Naturalized citizen20.3%
Not a US citizen2100.0%

Ancestry

AncestryCount%
Italian537.8%
Arab507.4%
AncestryCount%
French385.6%
Polish121.8%

Technology access

Metric% of households
Computer access45.6%
Internet access85.1%

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

Frequently asked questions
What ZIP codes does Keithsburg, IL have?
Keithsburg, IL has one ZIP code: 61442. Each ZIP code serves a distinct delivery area within the city and surrounding region.
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