ZIP code · Marseilles · Illinois · United States
ZIP code 61341 — Marseilles
ZIP code 61341 serves Marseilles, Illinois.
- Postal code
- 61341Single source Value from one source, not cross-checked.
- City
- Marseilles
- County
- LaSalle FIPS 17099
- State
- Illinois
- Country
- United States
- Coordinates
- 41.3302, -88.6947 — precision precise (locality)
View on OpenStreetMap - Population
- 7,249 (ZCTA, ACS 5-year)
- Population density
- 79 / sq mi
- Land area
- 91.7 sq mi (237.4 km²) (ZCTA, ACS 5-year)
- Median household income
- $78,895
- Per-capita income
- $37,536
- Median age
- 42.3
- Households
- 2,882
- Housing units
- 3,419
- Median home value
- $179,400
- Median gross rent
- $1,048 / month
- Congressional districts
- IL-14 (also IL-16) (119th Congress)
- USDA hardiness zone
- 5b (-15 to -10 °F)Planting / growing zone from the 2023 USDA Plant Hardiness Zone Map: average annual extreme minimum temperature, 1991–2020.
- Time zone
- America/Chicago (UTC−6 / UTC−5 DST)
- Area code
- 815Telephone area codes serving this ZIP (NANPA central-office assignments). A ZIP and an area code are different boundaries; at a border both codes may apply.
Tools: compare 61341 with another ZIP · ZIPs within 25 miles · distance from 61341
Map of ZIP code 61341
Climate — monthly normals
Warmest month Jul (avg high 84°F), coldest Jan (avg low 14°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 31 | 35 | 48 | 61 | 73 | 81 | 84 | 82 | 77 | 64 | 49 | 37 |
| Avg low °F | 14 | 17 | 27 | 37 | 49 | 58 | 62 | 61 | 53 | 41 | 30 | 21 |
| Precip in | 1.9 | 1.9 | 2.5 | 3.6 | 4.7 | 4.9 | 3.9 | 4.1 | 3.5 | 3.2 | 2.7 | 2.1 |
NOAA 1991–2020 climate normals from the nearest station: MARSEILLES LOCK (3.0 mi) · NOAA NCEI
Places in ZIP 61341
- 2 schools
- 1 restaurants & cafés
- 4 parks
- 1 libraries
- 1 post offices
- 10 places of worship
- 1 gas stations
Places mapped inside this ZIP’s ZCTA area in OpenStreetMap. OSM is community-maintained: counts reflect what has been mapped, and completeness varies by area — treat them as at-least figures. © OpenStreetMap contributors (ODbL) · Methodology
About this page
US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.
GeoNames · U.S. Census Bureau (ACS) · U.S. Census Bureau · NOAA NCEI · usda-phzm. Data generated on 2026-08-21. Methodology · Report an error on this page