ZIP code · Mattoon · Illinois · United States
ZIP code 61938 — Mattoon
ZIP code 61938 serves Mattoon, Illinois.
- Postal code
- 61938Single source Value from one source, not cross-checked.
- City
- Mattoon
- County
- Coles FIPS 17029
- State
- Illinois
- Country
- United States
- Coordinates
- 39.4802, -88.3762 — precision precise (locality)
View on OpenStreetMap - Population
- 20,440 (ZCTA, ACS 5-year)
- Population density
- 162 / sq mi
- Land area
- 126.5 sq mi (327.7 km²) (ZCTA, ACS 5-year)
- Median household income
- $54,288
- Per-capita income
- $34,646
- Median age
- 42.2
- Households
- 9,330
- Housing units
- 10,299
- Median home value
- $109,100
- Median gross rent
- $771 / month
- Congressional districts
- IL-15 (also IL-12) (119th Congress)
- USDA hardiness zone
- 6a (-10 to -5 °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)
Tools: compare 61938 with another ZIP · ZIPs within 25 miles · distance from 61938
Map of ZIP code 61938
Climate — monthly normals
Warmest month Jul (avg high 86°F), coldest Jan (avg low 20°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 35 | 40 | 51 | 64 | 74 | 83 | 86 | 85 | 79 | 66 | 51 | 40 |
| Avg low °F | 20 | 23 | 33 | 43 | 54 | 64 | 67 | 65 | 57 | 47 | 34 | 25 |
| Precip in | 2.6 | 2.2 | 2.8 | 4.8 | 4.1 | 4.7 | 4.3 | 2.9 | 3.1 | 3.8 | 3.6 | 2.5 |
NOAA 1991–2020 climate normals from the nearest station: MATTOON (1.3 mi) · NOAA NCEI
Places in ZIP 61938
- 10 schools
- 1 colleges & universities
- 3 hospitals & clinics
- 3 doctors & dentists
- 2 supermarkets
- 40 restaurants & cafés
- 30 parks
- 20 playgrounds
- 1 gyms & sports centres
- 1 libraries
- 1 post offices
- 30 places of worship
- 3 banks
- 13 gas stations
- 1 police & fire 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