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zipcodes.pro — CITY/IL/O-FALLON

O Fallon ZIP code, Illinois

The ZIP code for O Fallon, IL is 62269, and its area codes are 618 and 730.

USPS city name
1 ZIP code
Overlapping the city
3 more
Population
32,262
Area codes
618, 730

Mail addressed to O Fallon uses the ZIP code above. 3 more ZIP codes cover part of the city but are addressed as somewhere else; they are listed separately below.

O Fallon in numbers

About 32,262 people live in O Fallon, in 12,816 households. The median household income is $105,982 a year, 27% above the Illinois median of $83,390 (US: $80,734). The median owner-occupied home is valued at $295,700 (12% above the Illinois median), and median gross rent is $1,332 a month. The median age is 37.8; 52.4% of adults 25 and over hold a bachelor's degree or higher (37.8% across Illinois); the average commute takes 25 minutes.

Population32,262O Fallon32,262
Households12,816O Fallon12,816
Median age37.8O Fallon37.8Illinois39.0US 38.9
Median household income$105,982O Fallon$105,982Illinois$83,390US $80,734
Median home value$295,700O Fallon$295,700Illinois$263,300US $332,700
Median gross rent$1,332O Fallon$1,332Illinois$1,274US $1,413
Bachelor's degree or higher52.4%O Fallon52.4%Illinois37.8%US 35.7%
Mean commute25.3 minO Fallon25.3 minIllinois27.8 minUS 26.4 min
Population density2,041 / sq miO Fallon2,041 / sq mi

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

ZIP codes addressed as O Fallon

ZIP codes with the USPS city name O Fallon
ZIP City Type Population Median income Median home
62269 O Fallon , IL Standard 35,923 $103,818 $291,800

Other ZIP codes overlapping O Fallon

These ZIP codes cover part of O Fallon but are addressed as somewhere else.

ZIP codes overlapping O Fallon
ZIP City Type Population Median income Median home
62208 Fairview Heights , IL Standard 16,821 $80,205 $176,000
62225 Scott Air Force Base , IL Standard 5,242 $103,284 —
62254 Lebanon , IL Standard 6,710 $96,492 $218,000

Map of O Fallon ZIP codes

62269

The ZIP codes of O Fallon, 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 O Fallon

The nearest larger towns are Belleville (41,370 people, 7.1 mi), St. Louis, MO (288,512 people, 18 mi) and University City, MO (34,685 people, 23 mi).

Towns near O Fallon
TownPopulationDistance
Shiloh 14,572 3.5 mi
Fairview Heights 16,745 4.8 mi
Swansea 14,710 5.1 mi
Scott AFB 3,957 5.2 mi
Lebanon 4,474 5.7 mi
Caseyville 4,130 6.7 mi
Belleville 41,370 7.1 mi
Collinsville 24,031 7.2 mi
Mascoutah 8,816 8.4 mi
Troy 11,647 8.8 mi
Maryville 8,316 9.3 mi
Freeburg 4,592 11.1 mi
Glen Carbon 13,977 11.5 mi
Pontoon Beach 6,025 11.6 mi

More nearby: every ZIP code in St. Clair County · Illinois ZIP codes

Cite this page

zipcodes.pro. “O Fallon, IL ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/il/o-fallon

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