Adair, Illinois

Adair, Illinois
Reedyville
Adair is located in Illinois
Adair
Adair
Adair is located in the United States
Adair
Adair
Coordinates: 40°25′08″N 90°29′48″W / 40.41889°N 90.49667°W / 40.41889; -90.49667
CountryUnited States
StateIllinois
CountyMcDonough
TownshipNew Salem
Area
 • Total0.43 sq mi (1.11 km2)
 • Land0.43 sq mi (1.11 km2)
 • Water0.00 sq mi (0.00 km2)
Elevation
646 ft (197 m)
Population
 • Total212
 • Density493.02/sq mi (190.51/km2)
Time zoneUTC-6 (Central (CST))
 • Summer (DST)UTC-5 (CDT)
ZIP code
61411
Area code309
GNIS feature ID403339[3]

Adair is an unincorporated community and census-designated place (CDP) in McDonough County, Illinois, United States. It is part of New Salem Township. As of the 2020 census, Adair had a population of 212.[2]

Adair was laid out in August 1870 under the name of "Reedyville"; though the name has never been officially changed, the location is known as Adair because that name was given to the post office.[4]

Adair is in eastern McDonough County, along U.S. Route 136 (Main Street). US 136 leads northwest 11 miles (18 km) to Macomb, the county seat, and southeast 28 miles (45 km) to Havana. The Burlington Northern Santa Fe Railway runs through the east side of Adair.

  1. ^ "2022 U.S. Gazetteer Files: Illinois". United States Census Bureau. Retrieved March 6, 2023.
  2. ^ a b "P1. Race – Adair CDP, Illinois: 2020 DEC Redistricting Data (PL 94-171)". U.S. Census Bureau. Retrieved March 6, 2023.
  3. ^ U.S. Geological Survey Geographic Names Information System: Adair, Illinois
  4. ^ McDonough County, Illinois Genealogy - Adair Archived March 28, 2006, at the Wayback Machine