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zipcodes.pro — CITY/IL/LOST-NATION

Lost Nation ZIP codes, Illinois

No ZIP code is named for Lost Nation, IL; addresses there use a neighbouring town's name. The ZIP code covering it is 61021. Its area codes are 815 and 779.

USPS city name
0 ZIP codes
Overlapping the city
1 more
Population
714
Area codes
815, 779

NANPA lists no telephone rate centre for Lost Nation itself, so these are the area codes of the nearest one, Dixon (0.0 miles). A town on an area-code boundary can differ from its neighbour.

Lost Nation in numbers

About 714 people live in Lost Nation, in 301 households. The median household income is $108,964 a year, 31% above the Illinois median of $83,390 (US: $80,734). The median owner-occupied home is valued at $236,300 (10% below the Illinois median). The median age is 57.6; 38.5% of adults 25 and over hold a bachelor's degree or higher (37.8% across Illinois); the average commute takes 28 minutes.

Population714Lost Nation714
Households301Lost Nation301
Median age57.6Lost Nation57.6Illinois39.0US 38.9
Median household income$108,964Lost Nation$108,964Illinois$83,390US $80,734
Median home value$236,300Lost Nation$236,300Illinois$263,300US $332,700
Bachelor's degree or higher38.5%Lost Nation38.5%Illinois37.8%US 35.7%
Mean commute28.3 minLost Nation28.3 minIllinois27.8 minUS 26.4 min
Population density293 / sq miLost Nation293 / sq mi

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

ZIP codes covering Lost Nation

These ZIP codes cover part of Lost Nation but are addressed as somewhere else.

ZIP codes overlapping Lost Nation
ZIP City Type Population Median income Median home
61021 Dixon , IL Standard 22,308 $69,127 $148,500

Map of Lost Nation ZIP codes

The ZIP codes of Lost Nation, 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 Lost Nation

The nearest larger towns are Franklin Grove (988 people, 6.0 mi), Oregon (3,851 people, 7.2 mi) and Dixon (14,910 people, 7.3 mi).

Towns near Lost Nation
TownPopulationDistance
Oregon 3,851 7.2 mi
Dixon 14,910 7.3 mi
Mount Morris 2,726 9.9 mi
Byron 3,743 15.4 mi
Rochelle 9,529 15.7 mi
Sterling 14,717 18.6 mi
Rock Falls 8,587 19.4 mi
Davis Junction 2,757 20.0 mi
Winnebago 2,981 25.5 mi
Mendota 6,994 28.2 mi
Rockford 147,521 28.6 mi
Freeport 23,505 29.4 mi

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

Cite this page

zipcodes.pro. “Lost Nation, IL ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/il/lost-nation

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