| Official Name: | Birovača |
| Native Name: | [1] |
| Settlement Type: | Village |
| Pushpin Map: | Croatia |
| Pushpin Label Position: | bottom |
| Coordinates: | 44.5897°N 15.9617°W |
| Subdivision Type: | Country |
| Subdivision Name: |  Croatia |
| Subdivision Type1: | Region |
| Subdivision Type2: | County |
| Subdivision Type3: | Municipality |
| Subdivision Name3: | Donji Lapac |
| Unit Pref: | Metric |
| Area Footnotes: | [2] |
| Area Total Km2: | 24.4 |
| Elevation M: | 777 |
| Population As Of: | 2021 |
| Population Total: | 67 |
| Population Density Km2: | auto |
| Timezone: | CET |
| Timezone Dst: | CEST |
| Utc Offset: | +1 |
| Utc Offset Dst: | +2 |
| Postal Code Type: | Postal code |
| Postal Code: | 53250 Donji Lapac |
| Area Code: | +385 (53) |
Birovača (Serbian: Бировача)[1] is a village in Croatia. It is connected by the D218 highway.
During the Croatian War of Independence, Birovača was in the Republic of Serbian Krajina.
According to the 2011 census, Birovača had 77 inhabitants.
| Population[3] | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1857 | 1869 | 1880 | 1890 | 1900 | 1910 | 1921 | 1931 | 1948 | 1953 | 1961 | 1971 | 1981 | 1991 | 2001 | 2011 |
| 0 | 0 | 0 | 335 | 446 | 403 | 371 | 425 | 331 | 325 | 306 | 292 | 238 | 247 | 103 | 77 |
Note: From 1857-1880 data is include in settlement of Dnopolje. Till 1931 it was part of settlement (hamlet).
According to the 1991 census, settlement of Birovača had 247 inhabitants, which were ethnically declared as this:
According to the 1910 census, settlement of Birovača had 403 inhabitants in 4 hamlets, which were linguistically and religiously declared as this:
| Population by language | Croatian or Serbian | |
|---|---|---|
| Birovača | 192 | |
| Dnopoljski Trnovac | 52 | |
| Lapačka Korita | 51 | |
| Opačića Dolina | 108 | |
| Total | 403 (100%) |
| Population by religion | Eastern Orthodox | Roman Catholics | |
|---|---|---|---|
| Birovača | 191 | 1 | |
| Dnopoljski Trnovac | 52 | align="right" | - |
| Lapačka Korita | 51 | align="right" | - |
| Opačića Dolina | 108 | align="right" | - |
| Total | 402 (99.75%) | 1 (0.24%) |