PlainZIP

Saint Charles, IA

Single-footprint Census roll-up for Saint Charles, IA: 1 USPS ZIP, population 2,453. Open the primary ZIP for household income, housing tenure, and commute from ACS 2023 5-Year Estimates.

U.S. Census Bureau, SimpleMaps US ZIP Code Database, delivery-area ZIP coverage

ACS city ledger plate

Sheet SAINT-CHARLES-IA · Saint Charles, IA 1 ZIPs · 2,453 pop · #3384/25278 · Madison County

INC-HIGH · RANK-TOP · BELOW-PEER · BOOK-ONE · OWN-HIGH · POP-VILLAGE · SPREAD-UNK · HOME-MID

  • INC-HIGH $107,563
  • RANK-TOP #3384/25278
  • BELOW-PEER under Earlham
  • BOOK-ONE 1 ZIP
  • OWN-HIGH 87% owners
  • POP-VILLAGE 2,453
  • SPREAD-UNK Single-ZIP book
  • HOME-MID $305,800

Nearest income peer: Earlham, IA (+ $3,687 income $)

Instrument codes from this city’s ACS household income, national rank, county-peer gap, ZIP book, owner tenure, population scale, intra-city income spread, and home-value band, not a moving recommendation.

Income neighbourhood around Saint Charles

Lowest/highest poles plus county-sharing cities nearest Saint Charles on average ZIP median household income. Full ladder: /cities.

median HH income

What this shows County-sharing peers only, not the full US city board. Open a near peer when the gap is small; open the poles when the mosaic is wide.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2026-08-25

National city placement

According to ACS 5-Year Estimates, Saint Charles, IA sits among US cities with an upper-quartile household income, on a village-scale population base, across a single-ZIP footprint.

Top 13%
household income vs 25,278 US cities
2,453
city population (Census)
1
USPS ZIP codes covered
$107,563
avg ZIP median income

Income percentile ranks this city's average ZIP median household income against 25,278 US cities with ACS income on at least one ZIP. Scale and ZIP-spread words come from Census population and USPS ZIP coverage.

High-income footprint on only 1 ZIP: the city page and the ZIP page nearly coincide. Headline income $107,563 and home value $305,800 should be read as near-neighborhood numbers ; bachelor's attainment averages 30.5%.

Owner-occupancy here runs high (86.8%) - tenure is stable enough that the ZIP detail's owner share is the right next click, not a renter-heavy compare.

Within Iowa, New Liberty is the closest lower-income city and Wever the closest higher-income city by average ZIP household income. Their 1 and 1 ZIP footprints are the immediate statewide comparison set for Saint Charles.

Population concentration

One ZIP, 50240, is all of Saint Charles

There is no split to weigh here: 50240 holds every one of Saint Charles's 2,453 ACS residents. City-level and ZIP-level numbers on this site are the same number twice, check the ZIP page for the income/tenure/commute breakdown.

Census ZBP business roll-up

Mid-pack ZBP load on Saint Charles's one ZIP

Citywide ZBP: 44 establishments, 134 employees , annual payroll $5,365k (~18 establishments per 1,000 residents) across 1 of 1 ZIPs. Peak business ZIP 50240 (44 units) ; leading NAICS Construction (14) · also Retail trade · Real estate and rental and leasing .

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ZIP Codes in Saint Charles, IA

These ZIP codes sit in Madison County, which covers 8 ZIP codes in all; 1 of them fall in Saint Charles. See the Madison County roll-up →

Saint Charles sits in the upper half of Madison County on income: Winterset, Truro and Peru report less, while Earlham reports more. Macksburg marks the far end of that range at $33,125, 69% below Saint Charles.

ZIP Code Population Median income Establishments Density
50240 2,453 $107,563 44 12
How we build city roll-ups · Guide: reading ZIP code data · BLS wages

Saint Charles roll-ups here are for informational purposes only and do not constitute financial or relocation advice. ACS and Census ZBP figures are estimates; confirm the current table against Census before a money or move decision involving Saint Charles, .