Demographics and Data
Demographics and Data
Loudoun County's Department of Planning and Zoning is the source for Loudoun County's current and forecast demographics, development status, employment forecasts, and analysis of demographic issues. The County Demographer provides assistance in the interpretation and correct use of data to a wide range of users, including county officials, regional officials, the general public, and the larger region.
Calls regarding these topics can be directed to 571-258-3137.
What is New? 
 Forecasts interactive mapping application of housing units, households, population, and employment forecasts in 5-year increments from 2015 through 2040
 Existing and Potential Development (EPD) Interactive Mapping Tool
Provides access to information regarding:
- Existing use of structures and parcels
- The number of housing units in a user defined geographic area
- Location and existing number of housing units within residential projects that are completed and approved (not started or partially built)
- The residential development potential of vacant or under-developed parcels and approved projects not started or that are partially built.
Resources
Quick Facts
Demographic fact sheet that includes popular facts (population, income, rankings, etc.) and frequently requested data.
Demographic Characteristics Characteristics of the population and housing such as age, race, income, and household size and vacancy rates.
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Demographic Estimates & Forecasts
Current estimates and forecasts of population, housing units, households, and employment.
Development & Permits
Residential and non-residential completed and approved to-be-built projects,and permitting activity.
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