ZIP code · Arthur · Illinois · United States
ZIP code 61911 — Arthur
ZIP code 61911 serves Arthur, Illinois.
- Postal code
- 61911Single source Value from one source, not cross-checked.
- City
- Arthur
- County
- Douglas FIPS 17041
- State
- Illinois
- Country
- United States
- Coordinates
- 39.7077, -88.4555 — precision precise (locality)
View on OpenStreetMap - Population
- 4,484 (ZCTA, ACS 5-year)
- Population density
- 71 / sq mi
- Land area
- 63.6 sq mi (164.7 km²) (ZCTA, ACS 5-year)
- Median household income
- $76,960
- Per-capita income
- $33,089
- Median age
- 34
- Households
- 1,719
- Housing units
- 1,845
- Median home value
- $167,000
- Median gross rent
- $698 / month
- Congressional district
- IL-15 (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)
- Area code
- 217Telephone 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 61911 with another ZIP · ZIPs within 25 miles · distance from 61911
Map of ZIP code 61911
Climate — monthly normals
Warmest month Jul (avg high 85°F), coldest Jan (avg low 18°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 34 | 39 | 50 | 64 | 74 | 82 | 85 | 84 | 79 | 66 | 51 | 39 |
| Avg low °F | 18 | 21 | 31 | 42 | 53 | 63 | 65 | 63 | 55 | 43 | 32 | 24 |
| Precip in | 2.4 | 2.1 | 2.9 | 4.5 | 4.2 | 4.8 | 4.4 | 3.0 | 3.1 | 3.3 | 3.4 | 2.5 |
NOAA 1991–2020 climate normals from the nearest station: TUSCOLA (10.6 mi) · NOAA NCEI
Places in ZIP 61911
- 8 schools
- 4 restaurants & cafés
- 5 parks
- 3 playgrounds
- 1 gyms & sports centres
- 1 libraries
- 1 post offices
- 17 places of worship
- 1 gas stations
- 2 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