- Located on US 49 southwest of Piggott
- Latitude: 36°20'28" N (+36.3411)
- Longitude: 90°13'13" W (-90.2203)
- Elevation: 285 feet above sea level
- Public Land Survey: T. 20 N., R. 8 E., Sec. 28
- Civil township: Haywood
- Land area: 0.20 square miles (131.0 acres)
As the crow flies, Greenway is...
| Year | Population | Percent change |
|---|
| 1890 | 33 | -- |
| 1900 | 165 | +400.0% |
| 1910 | 390 | +136.4% |
| 1920 | 362 | -7.2% |
| 1930 | 367 | +1.4% |
| 1940 | 303 | -17.4% |
| 1950 | 288 | -5.0% |
| 1960 | 179 | -37.8% |
| 1970 | 240 | +34.1% |
| 1980 | 317 | +32.1% |
| 1990 | 212 | -33.1% |
| 2000 | 244 | +15.1% |