Marseilles, IL

Single-footprint Census roll-up for Marseilles, IL: 1 USPS ZIP, population 8,234. Open the primary ZIP for household income, housing tenure, and commute from ACS 2023 5-Year Estimates.

Source:

ACS city ledger plate

Sheet MARSEILLES-IL · Marseilles, IL 1 ZIPs · 8,234 pop · #12176/25278 · LaSalle County

INC-MID · RANK-MID · ABOVE-PEER · BOOK-ONE · OWN-MID · POP-TOWN · SPREAD-UNK · HOME-MID

  • INC-MID $72,530
  • RANK-MID #12176/25278
  • ABOVE-PEER over Earlville
  • BOOK-ONE 1 ZIP
  • OWN-MID 77% owners
  • POP-TOWN 8,234
  • SPREAD-UNK Single-ZIP book
  • HOME-MID $200,900

Nearest income peer: Earlville, IL ( $2,550 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 Marseilles

Lowest/highest poles plus county-sharing cities nearest Marseilles 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 2026-08-06

National city placement

According to ACS 5-Year Estimates, Marseilles, IL sits among US cities with an above-median household income, on a town-scale population base, across a single-ZIP footprint.

Top 48%
household income vs 25,278 US cities
8,234
city population (Census)
1
USPS ZIP codes covered
$72,530
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.

Above-median income on a short ZIP list (1) - lead code 61341 (8,234 residents). Household income $72,530 is the roll-up; open the ZIP for tenure and commute.

Owner-occupancy sits in a mixed band (77.4%) - check the ZIP page's tenure split before treating Marseilles as a pure owner town.

Within Illinois, Moro is the closest lower-income city and Keensburg the closest higher-income city by average ZIP household income. Their 1 and 1 ZIP footprints are the immediate statewide comparison set for Marseilles.

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ZIP Codes in Marseilles, IL

These ZIP codes sit in LaSalle County, which covers 25 ZIP codes in all; 1 of them fall in Marseilles. See the LaSalle County roll-up →

Marseilles sits in the lower half of LaSalle County on income: Ottawa, Peru and Sheridan report more, Streator, La Salle and Mendota report less. Somonauk marks the far end of that range at $113,411, 56% above Marseilles.

ZIP Code Population Density Timezone
61341 8,234 35 America/Chicago

On a short ZIP footprint the city roll-up and the primary ZIP nearly coincide. Start at the Census ACS tables for Marseilles, then BLS wages if you need the labor-market side of the same small geography.

Source: U.S. Census Bureau, American Community Survey (ACS) 5-Year Estimates (2023). Verify with Census Bureau →

Source: HUD USPS Crosswalk (ZIP-to-county mapping) and Source: simplemaps.com (ZIP coordinates & timezones). Verify with HUD →

PlainZIP is not affiliated with the U.S. Census Bureau or any government agency.

Disclaimer: This information is provided for informational purposes only and does not constitute professional advice. Data is sourced from the U.S. Census Bureau American Community Survey (ACS). Consult a qualified professional before making decisions based on this data.