Basic information

| Attribute | Detail | | :--- | :--- | | **Official Name** | Annandale | | **Common Name** | Annandale | | **Native Name(s)** | N/A | | **Nicknames** | Koreatown (unofficial) | | **Motto** | N/A | | **Geographic Level** | Census-Designated Place (CDP) | | **Country** | United States | | **State/Province** | Virginia | | **County** | Fairfax County | | **Capital** | N/A (Unincorporated) | | **Government Type** | County Board of Supervisors (Fairfax County) | | **Date Founded** | 1830 (Name officially adopted) | | **Time Zone** | Eastern Time (ET) (UTC-5/-4) | | **Latitude** | 38.8300° N | | **Longitude** | 77.1964° W | | **Elevation** | 295 ft (90 m) | | **Total Area** | 7.86 sq mi (20.36 km²) | | **Population** | ~43,363 (2020 Census) | | **Population Density** | ~5,516/sq mi (2,130/km²) | | **ZIP/Postal Codes** | 22003 | | **Area Codes** | 703, 571 | | **Official Languages** | English | | **Currency** | United States Dollar (USD) | | **Demonym** | Annandale Resident |