Traffic Analysis Zones (TAZ) (1)
Census 2020 - Tracts (11)
Census 2020 - Block Groups (12)
Census 2020 - Blocks (13)
Census 2020 - CDP (14)
| Aldie |
| Arcola |
| Ashburn |
| Belmont |
| Brambleton |
| Broadlands |
| Cascades |
| Countryside |
| Dulles Town Center |
| Goose Creek Village |
| Kincora |
| Lansdowne |
| Loudoun Valley Estates |
| Lowes Island |
| Moorefield |
| Oak Grove |
| One Loudoun |
| South Riding |
| Sterling |
| Stone Ridge |
| Sugarland Run |
| University Center |
| Waterford |
Census 2020 - Towns (15)
| DULLES |
| HAMILTON |
| HERNDON |
| HILLSBORO |
| LEESBURG |
| LOVETTSVILLE |
| MIDDLEBURG |
| PURCELLVILLE |
| ROUND HILL |
Census 2010 - Tracts (2)
Census 2010 - Block Groups (3)
Census 2010 - Blocks (4)
Census 2010 - CDP (5)
| ARCOLA |
| ASHBURN |
| BELMONT |
| BRAMBLETON |
| BROADLANDS |
| CASCADES |
| COUNTRYSIDE |
| DULLES TOWN CENTER |
| LANSDOWNE |
| LOUDOUN VALLEY ESTATES |
| LOWES ISLAND |
| MOOREFIELD STATION |
| OAK GROVE |
| SOUTH RIDING |
| STERLING |
| STONE RIDGE |
| SUGARLAND RUN |
| UNIVERSITY CENTER |
Place Types (10)
| AIRPRT |
| RURNTH |
| RURSTH |
| RURVLG |
| LJLMEM |
| LJLMIM |
| LJLMRN |
| PJLMRN |
| WJLMN |
| SUBCOM |
| SUBCMP |
| SUBEM |
| SUBIM |
| SUBMUS |
| SUBNBR |
| TOWN |
| TRNCC |
| TRNCMP |
| TRNIM |
| TRNLLN |
| TRNLI |
| TRNSLN |
| URBEM |
| URBMUS |
| URBTC |
Planning Subareas (7)
| ASHBU |
| DULLE |
| LSBG |
| NW |
| POTOM |
| Rt15N |
| Rt15S |
| Rt7W |
| STERL |
| SW |
Policy Areas (8)
|
| HJLM |
| LJLM |
|
| PJLM |
| RJLM |
| RUR-20 |
| RUR-40 |
| SUBN |
|
| TOWN |
|
| TRANLB |
|
| TRANLF |
| TRANLS |
|
| TRANMG |
| TRANRH |
| TRANUB |
|
| TRANUF |
| URBAN |
Suburban Communities 2001 (9)
| Ashburn |
| Dulles |
| Potomac |
| Sterling |
|
