The Research Section is responsible for demographic, housing, land use, and economic data collection and tabulation. The Section performs data-driven analyses and policy-relevant research for Planning Department leadership and staff, County officials and agencies, businesses, and residents formulating sensible plans and programs for maintaining or enhancing community vibrancy. Moreover, the Research Section updates population, housing, and employment forecasts in coordination with the Metropolitan Washington Council of Governments and Maryland State Data Center. In addition, this Section is the primary liaison to the U.S. Census Bureau in support of their programs related to the decennial census, the American Community Surveys, and other initiatives.

Census 2020 Reports

• Summary of Initial Release of 2020 Census Data
• Summary of Census 2020 Data by Census Designated Place (CDP)

ACS Reports

• County Population, Housing, and Economic Survey

Demographic Maps

• Decennial Censuses
  • 2020 Hispanic or Latino Population
  • 2020 Non-Hispanic American Indian and Alaska Native Population
  • 2020 Non-Hispanic Asian and Pacific Islander Population
  • 2020 Non-Hispanic Black or African American Population
  • 2020 Non-Hispanic Some Other Race Population 
  • 2020 Non-Hispanic Two or More Races
  • 2020 Non-Hispanic White Population
  • 2020 Total Population
• American Community Survey (2020)
  • Median Household Income (PDF)
  • Educational Attainment
  • The Foreign-Born Population
  • Median Home Value
  • Median Gross Rent
  • Limited English Speaking Households

Demographics in Brief

• County Profile by Census Bureau
• County Overview by State Data Center
• COVID-19 Data Hub by Census Bureau

Cooperative Forecasts

• Round 9.1 for Population, Households, and Employment (TBA)
• Round 9.0 for Population, Households, and Employment (TBA) 

Residential Development Reports

• Housing Development Trends, 2021 (TBA) 
• Housing Development Trends, 2020 (TBA) 

Non-Residential Development Reports

• Retail, Office, Industrial, and Institutional Development, 2021 (TBA) 
• Retail, Office, Industrial, and Institutional Development, 2020 (TBA) 

Census 2020 Outreach 

Importance of Decennial Census
Complete Count Committee
Hard to Count Outreach Map
Response Rate Maps
Updates and Alerts
Resources and Translated Materials