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ZIP code 61261: Lyndon, IL

61261 is a ZIP code in Lyndon, Illinois, mainly in Whiteside County, part of the Sterling, IL micro area. About 656 people live here.

Population
656
Median household income
$64,375
Typical home value
$123,300+1.6% in 12 months
Median rent
—gross, per month
Median age
60
Homeowners
89.3%of occupied homes
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Shaded: ZIP code 61261's area. Click anywhere on the map to see which ZIP code it's in.

ZIP codes within 10 milesWithin 25 miles

ZIP code 61261 details

CityLyndon
StateIllinois
CountyWhiteside County
Metro areaSterling, IL
Time zoneCentral Time (UTC−6), observes daylight saving time
TypeStandard (delivery area)
Land area16.6 sq mi, plus 0.3 sq mi of water
Population density40 people per sq mi
Bachelor's degree or higher22.9% of adults 25+
Average commute31.8 minutes
Center coordinates41.73602, -89.91003

ZIP codes near 61261

ZIP codeCityDistancePopulation
61270Morrison, IL6.8 mi6,912
61251Fenton, IL8.4 mi377
61277Prophetstown, IL8.5 mi3,054
61037Galt, IL8.5 mi145
61071Rock Falls, IL10.9 mi13,581
61081Sterling, IL11.8 mi20,844
61250Erie, IL11.8 mi2,781
61283Tampico, IL11.8 mi1,269

Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology

Buying a home in 61261?

A typical home in ZIP code 61261 is worth about $123,300 (Zillow Home Value Index). The median household here earns $64,375 a year. See what buying here would cost per month, with Illinois average taxes and insurance filled in.

Monthly payment for a $123,300 homeWhat can a $64,375 income afford?Rental property numbers

About ZIP code 61261

What city is ZIP code 61261?

ZIP code 61261 is in Lyndon, IL, in Whiteside County.

What county is ZIP code 61261 in?

61261 is mainly in Whiteside County, Illinois.

What is the population of ZIP code 61261?

About 656 people live in ZIP code 61261, according to the American Community Survey 2020–2024 5-year estimates.

What time zone is ZIP code 61261 in?

61261 is in Central Time (UTC−6). It observes daylight saving time.