- Location: Wayne County, Missouri
- Legal status: Fourth-class city
- Population: 379 (Change since 1990: -3.1%)
- Founded: 1871 by Asia Williams
- Name origin: William Williams
- Located at intersection MO 49 and Route A
- Latitude: 36°58'22" N (+36.9729)
- Longitude: 90°32'53" W (-90.5482)
- Elevation: 392 feet above sea level
- Civil township: Williams
- Land area: 0.31 square miles (197.5 acres)
As the crow flies, Williamsville is...
Name origin
Named for William Williams, first settler.
Timeline
- 1826
- William Williams settled here.
- 1871
- Williamsville founded as a station on the St. Louis & Iron Mtn. Railroad.
- 1886
- Houck's Cape Girardeau & Southwestern Railroad reached Williamsville.
- 1887
- Williamsville incorporated
- 1892
- Williamsville, Greenville & Northwestern Railway reached Williamsville.
| Year | Population | Percent change |
|---|
| 1880 | 184 | -- |
| 1890 | 435 | +136.4% |
| 1900 | 215 | -50.6% |
| 1910 | 477 | +121.9% |
| 1920 | 448 | -6.1% |
| 1930 | 428 | -4.5% |
| 1940 | 511 | +19.4% |
| 1950 | 492 | -3.7% |
| 1960 | 412 | -16.3% |
| 1970 | 398 | -3.4% |
| 1980 | 418 | +5.0% |
| 1990 | 391 | -6.5% |
| 2000 | 379 | -3.1% |