- Located on AR 90 south of Corning
- Latitude: 36°19'12" N (+36.3200)
- Longitude: 90°36'07" W (-90.6019)
- Elevation: 280 feet above sea level
- Public Land Survey: T. 19 N., R. 4 E., Sec. 1
- Civil township: Cache
- Land area: 0.42 square miles (266.4 acres)
As the crow flies, Knobel is...
| Year | Population | Percent change |
|---|
| 1900 | 410 | -- |
| 1910 | 362 | -11.7% |
| 1920 | 390 | +7.7% |
| 1930 | 486 | +24.6% |
| 1940 | 375 | -22.8% |
| 1950 | 417 | +11.2% |
| 1960 | 339 | -18.7% |
| 1970 | 375 | +10.6% |
| 1980 | 503 | +34.1% |
| 1990 | 317 | -37.0% |
| 2000 | 358 | +12.9% |