- Location: Dunklin County, Missouri
- Legal status: Fourth-class city
- Population: 1,650 (Change since 1990: +1.7%)
- Name origin: Mrs. Senath Douglass
- Located on US 412 at Route A and Route P
- Latitude: 36°07'60" N (+36.1333)
- Longitude: 90°09'36" W (-90.1601)
- Public Land Survey: T. 17 N., R. 8 E., Sec. 1, 2, 11 & 12
- Civil township: Salem
- Land area: 1.9 square miles
- Water area: 0.02 square miles (11.0 acres)
As the crow flies, Senath is...
Name origin
Named for Senath Hale Douglass by
her husband, A. W. Douglass, town founder
| Year | Population | Percent change |
|---|
| 1900 | 241 | -- |
| 1910 | 1,029 | +327.0% |
| 1920 | 1,054 | +2.4% |
| 1930 | 1,086 | +3.0% |
| 1940 | 1,261 | +16.1% |
| 1950 | 1,528 | +21.2% |
| 1960 | 1,369 | -10.4% |
| 1970 | 1,484 | +8.4% |
| 1980 | 1,728 | +16.4% |
| 1990 | 1,622 | -6.1% |
| 2000 | 1,650 | +1.7% |