- Location: Perry County, Missouri
- Legal status: Fourth-class city
- Population: 309 (Change since 1990: +0.7%)
- Founded: 1839
- Name origin: Altenburg, Germany
- Located at the intersections of Route A, Route C, and Route Y
just east of Frohna
- Latitude: 37°37'53" N (+37.6313)
- Longitude: 89°34'53" W (-89.5815)
- Civil township: Brazeau
- Land area: 0.96 square miles (611.6 acres)
As the crow flies, Altenburg is...
Name origin
Named after Altenburg in Saxony, Germany, one of the
towns from which the immigrants came.
Altenburg means "old town" in German.
Timeline
- 1839
- Altenburg founded
- 1870
- Altenburg incorporated
- 2001
- Altenburg and Frohna residents vote to merge the two cities.
| Year | Population | Percent change |
|---|
| 1900 | 222 | -- |
| 1910 | 279 | +25.7% |
| 1920 | 313 | +12.2% |
| 1930 | 289 | -7.7% |
| 1940 | 264 | -8.7% |
| 1950 | 272 | +3.0% |
| 1960 | 260 | -4.4% |
| 1970 | 277 | +6.5% |
| 1980 | 280 | +1.1% |
| 1990 | 307 | +9.6% |
| 2000 | 309 | +0.7% |