- Located near junction US 67 and AR 328 on the Clay County line
- Latitude: 36°21'46" N (+36.3628)
- Longitude: 90°45'13" W (-90.7536)
- Elevation: 285 feet above sea level
- Civil township: Reyno
- Land area: 1.0 square miles
As the crow flies, Reyno is...
| Year | Population | Percent change |
|---|
| 1900 | 138 | -- |
| 1920 | 392 | +184.1% |
| 1930 | 314 | -19.9% |
| 1940 | 346 | +10.2% |
| 1950 | 292 | -15.6% |
| 1960 | 348 | +19.2% |
| 1970 | 356 | +2.3% |
| 1980 | 521 | +46.3% |
| 1990 | 467 | -10.4% |
| 2000 | 484 | +3.6% |