Amt Ortrand
# Amt Ortrand

Amt Ortrand is an Amt ("collective municipality") in the district of Oberspreewald-Lausitz, in Brandenburg, Germany. Its seat is in Ortrand.

The Amt Ortrand consists of the following municipalities:

* Frauendorf
* Großkmehlen
* Kroppen
* Lindenau
* Ortrand
* Tettau

## Demography

* Development of Population since 1875 within the Current Boundaries (Blue Line: Population; Dotted Line: Comparison to Population Development of Brandenburg state; Grey Background: Time of Nazi rule; Red Background: Time of Communist rule)
* Recent Population Development and Projections (Population Development before Census 2011 (blue line); Recent Population Development according to the Census in Germany in 2011 (blue bordered line); Official projections for 2005-2030 (yellow line); for 2017-2030 (scarlet line); for 2020-2030 (green line)

| Year | Pop. | ±% p.a. |
| - | - | - |
| 1875 | 4,439 | — |
| 1890 | 4,623 | +0.27% |
| 1910 | 5,164 | +0.55% |
| 1925 | 5,627 | +0.57% |
| 1939 | 6,393 | +0.92% |
| 1950 | 8,465 | +2.58% |
| 1964 | 8,619 | +0.13% |
| Year | Pop. | ±% p.a. |
| 1971 | 8,720 | +0.17% |
| 1981 | 8,423 | −0.35% |
| 1985 | 8,382 | −0.12% |
| 1990 | 7,898 | −1.18% |
| 1995 | 7,605 | −0.75% |
| 2000 | 7,352 | −0.67% |
| 2005 | 7,004 | −0.97% |
| Year | Pop. | ±% p.a. |
| 2010 | 6,481 | −1.54% |
| 2015 | 6,142 | −1.07% |
| 2016 | 6,136 | −0.10% |
| 2017 | 6,102 | −0.55% |
| 2018 | 6,030 | −1.18% |
| 2019 | 6,031 | +0.02% |
| 2020 | 5,993 | −0.63% |
