- Location: Oregon County, Missouri
- Legal status: Fourth-class city
- Population: 2,201 (Change since 1990: +10.3%)
- Name origin: Nathaniel Thayer
- Located near intersections US 63, MO 19, and MO 142 north
of Mammoth Spring, Arkansas
- Latitude: 36°31'28" N (+36.5244)
- Longitude: 91°32'17" W (-91.5381)
- Elevation: 532 feet above sea level
- Civil township: Thayer
- Land area: 2.2 square miles
As the crow flies, Thayer is...
Name origin
Named chosen Aug. 24, 1886 by the circuit
court to honor Nathaniel Thayer of Boston, an important stockholder
in the Frisco railroad
| Year | Population | Percent change |
|---|
| 1900 | 1,276 | -- |
| 1910 | 1,613 | +26.4% |
| 1920 | 1,738 | +7.7% |
| 1930 | 1,632 | -6.1% |
| 1940 | 1,692 | +3.7% |
| 1950 | 1,639 | -3.1% |
| 1960 | 1,713 | +4.5% |
| 1970 | 1,609 | -6.1% |
| 1980 | 2,211 | +37.4% |
| 1990 | 1,996 | -9.7% |
| 2000 | 2,201 | +10.3% |