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zipcodes.pro — CITY/IL/KEITHSBURG

Keithsburg ZIP code, Illinois

The ZIP code for Keithsburg, IL is 61442, and its area code is 309.

USPS city name
1 ZIP code
Population
490
Area code
309

Keithsburg in numbers

About 490 people live in Keithsburg, in 267 households. The median household income is $44,625 a year, 46% below the Illinois median of $83,390 (US: $80,734). The median owner-occupied home is valued at $65,900 (75% below the Illinois median), and median gross rent is $607 a month. The median age is 52.7; 2.8% of adults 25 and over hold a bachelor's degree or higher (37.8% across Illinois); the average commute takes 42 minutes.

Population490Keithsburg490
Households267Keithsburg267
Median age52.7Keithsburg52.7Illinois39.0US 38.9
Median household income$44,625Keithsburg$44,625Illinois$83,390US $80,734
Median home value$65,900Keithsburg$65,900Illinois$263,300US $332,700
Median gross rent$607Keithsburg$607Illinois$1,274US $1,413
Bachelor's degree or higher2.8%Keithsburg2.8%Illinois37.8%US 35.7%
Mean commute41.7 minKeithsburg41.7 minIllinois27.8 minUS 26.4 min
Population density192 / sq miKeithsburg192 / sq mi

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, for the census place Keithsburg city. Survey estimates carry margins of error, wider for small places. Sources and methods.

ZIP codes addressed as Keithsburg

ZIP codes with the USPS city name Keithsburg
ZIP City Type Population Median income Median home
61442 Keithsburg , IL Standard 504 $48,750 $67,200

Map of Keithsburg ZIP codes

61442

The ZIP codes of Keithsburg, IL, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.

Towns near Keithsburg

The nearest larger towns are New Boston (648 people, 5.9 mi), Oquawka (1,059 people, 11 mi) and Aledo (3,668 people, 12 mi).

Towns near Keithsburg
TownPopulationDistance
Aledo 3,668 12.0 mi
Monmouth 8,581 20.0 mi
Burlington, IA 23,728 22.5 mi
West Burlington, IA 3,189 22.9 mi
Muscatine, IA 23,489 23.1 mi

More nearby: every ZIP code in Mercer County · Illinois ZIP codes

Cite this page

zipcodes.pro. “Keithsburg, IL ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/il/keithsburg

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