ZIP code · Fairbury · Illinois · United States
ZIP code 61739 — Fairbury
ZIP code 61739 serves Fairbury, Illinois.
- Postal code
- 61739Single source Value from one source, not cross-checked.
- City
- Fairbury
- County
- Livingston FIPS 17105
- State
- Illinois
- Country
- United States
- Coordinates
- 40.7450, -88.5165 — precision precise (locality)
View on OpenStreetMap - Population
- 4,673 (ZCTA, ACS 5-year)
- Population density
- 44 / sq mi
- Land area
- 106.1 sq mi (274.7 km²) (ZCTA, ACS 5-year)
- Median household income
- $68,635
- Per-capita income
- $36,785
- Median age
- 37.3
- Households
- 1,847
- Housing units
- 1,949
- Median home value
- $160,400
- Median gross rent
- $753 / month
- Congressional districts
- IL-2 (also IL-16) (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 61739 with another ZIP · ZIPs within 25 miles · distance from 61739
Map of ZIP code 61739
Climate — monthly normals
Warmest month Jul (avg high 84°F), coldest Jan (avg low 15°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 32 | 37 | 49 | 62 | 73 | 82 | 84 | 82 | 77 | 64 | 49 | 37 |
| Avg low °F | 15 | 19 | 29 | 39 | 51 | 60 | 63 | 61 | 53 | 42 | 31 | 21 |
| Precip in | 2.2 | 1.6 | 2.7 | 3.6 | 4.5 | 3.8 | 3.7 | 3.2 | 3.1 | 3.2 | 2.6 | 2.0 |
NOAA 1991–2020 climate normals from the nearest station: CHENOA (10.6 mi) · NOAA NCEI
Places in ZIP 61739
- 2 schools
- 1 doctors & dentists
- 2 pharmacies
- 2 supermarkets
- 9 restaurants & cafés
- 4 parks
- 2 playgrounds
- 2 gyms & sports centres
- 1 libraries
- 1 post offices
- 8 places of worship
- 4 banks
- 3 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