| Official Name: | Omsica |
| Native Name: | [1] |
| Settlement Type: | Village |
| Pushpin Map: | Croatia |
| Pushpin Label Position: | bottom |
| Coordinates: | 44.3611°N 15.935°W |
| Subdivision Type: | Country |
| Subdivision Name: |  Croatia |
| Subdivision Type1: | Region |
| Subdivision Type2: | County |
| Subdivision Name2: | Zadar County |
| Subdivision Type3: | Municipality |
| Subdivision Name3: | Gračac |
| Unit Pref: | Metric |
| Area Footnotes: | [2] |
| Area Total Km2: | 18.7 |
| Elevation M: | 758 |
| Population As Of: | 2021 |
| Population Total: | 4 |
| Population Density Km2: | auto |
| Timezone: | CET |
| Timezone Dst: | CEST |
| Utc Offset: | +1 |
| Utc Offset Dst: | +2 |
| Postal Code Type: | Postal code |
| Postal Code: | 23440 Gračac |
| Area Code: | +385 (23) |
Omsica (Serbian: Омсица)[1] is a village in Croatia.
According to the 2011 census, Omsica had 12 inhabitants.
| Population[3] | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1857 | 1869 | 1880 | 1890 | 1900 | 1910 | 1921 | 1931 | 1948 | 1953 | 1961 | 1971 | 1981 | 1991 | 2001 | 2011 |
| 447 | 575 | 443 | 461 | 485 | 455 | 509 | 450 | 367 | 390 | 405 | 298 | 210 | 135 | 10 | 12 |
Napomena: Till 1900 name of the settlement was Omšica.
According to the 1991 census, settlement of Omsica had 135 inhabitants, which were ethnically declared as this:
According to the 1910 census, settlement of Omsica had 455 inhabitants in 3 hamlets, which were linguistically and religiously declared as this:
| Population by language | Croatian or Serbian | |
|---|---|---|
| Manojlovići | 16 | |
| Omsica | 387 | |
| Poznići | 52 | |
| Total | 455 (100%) |
| Population by religion | Eastern Orthodox | |
|---|---|---|
| Manojlovići | 16 | |
| Omsica | 387 | |
| Poznići | 52 | |
| Total | 455 (100%) |