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zipcodes.pro — CITY/IA/ST-CHARLES

St. Charles ZIP code, Iowa

The ZIP code for St. Charles, IA is 50240, and its area code is 641.

USPS city name
1 ZIP code
Population
914
Area code
641
State
Iowa

Also written Saint Charles, the spelling the Postal Service uses.

St. Charles in numbers

About 914 people live in St. Charles, in 348 households. The median household income is $82,841 a year, 10% above the Iowa median of $75,059 (US: $80,734). The median owner-occupied home is valued at $221,300 (6% above the Iowa median), and median gross rent is $855 a month. The median age is 36.2; 19.7% of adults 25 and over hold a bachelor's degree or higher (31.4% across Iowa); the average commute takes 36 minutes.

Population914St. Charles914
Households348St. Charles348
Median age36.2St. Charles36.2Iowa38.6US 38.9
Median household income$82,841St. Charles$82,841Iowa$75,059US $80,734
Median home value$221,300St. Charles$221,300Iowa$208,000US $332,700
Median gross rent$855St. Charles$855Iowa$972US $1,413
Bachelor's degree or higher19.7%St. Charles19.7%Iowa31.4%US 35.7%
Mean commute36.4 minSt. Charles36.4 minIowa19.8 minUS 26.4 min
Population density1,472 / sq miSt. Charles1,472 / sq mi

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

ZIP codes addressed as Saint Charles

ZIP codes with the USPS city name Saint Charles
ZIP City Type Population Median income Median home
50240 Saint Charles , IA Standard 2,393 $107,563 $305,800

Map of St. Charles ZIP codes

50240

The ZIP codes of St. Charles, IA, 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 St. Charles

The nearest larger towns are Winterset (5,416 people, 12 mi), Indianola (16,044 people, 14 mi) and Norwalk (14,183 people, 15 mi).

Towns near St. Charles
TownPopulationDistance
Winterset 5,416 11.8 mi
Indianola 16,044 13.6 mi
Norwalk 14,183 14.8 mi
Osceola 5,523 17.5 mi
West Des Moines 71,083 18.2 mi
Waukee 29,236 21.3 mi
Des Moines 212,421 22.2 mi
Carlisle 4,255 22.4 mi
Windsor Heights 5,143 22.5 mi
Clive 19,012 22.5 mi
Urbandale 46,595 24.2 mi
Adel 6,430 24.7 mi
Pleasant Hill 11,136 26.6 mi
Grimes 16,366 27.0 mi

More nearby: every ZIP code in Madison County · Iowa ZIP codes

Cite this page

zipcodes.pro. “St. Charles, IA ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/ia/st-charles

Underlying data is public domain or openly licensed — sources, vintages and licences.