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DMV Crime Incidents 2019-2021

AT A GLANCE

Police report data from 2019–2021 across five Washington, D.C. metropolitan area (DMV) jurisdictions, standardized into a single integrated dataset for cross-jurisdictional crime analysis.

Key Highlights: - Jurisdictions: Prince George's Co. MD, Montgomery Co. MD, Baltimore City MD, Washington DC, Arlington Co. VA - Period: 2019 – 2021 - Design: Standardized crime categories across five separate data portals - Structure: Combined master dataset + individual jurisdiction files with unique variables - Caveats: Unreported crimes excluded; data may contain reporting errors

PROJECT DESCRIPTION

Crime data was collected from each jurisdiction's official open data portal, then standardized and categorized into general crime types. The combined dataset enables regional crime pattern analysis, while individual jurisdiction files preserve original variable structures.

Research Applications: - Regional crime pattern analysis in the DC metro area - Cross-jurisdictional comparisons of crime trends - Urban crime temporal analysis (2019–2021) - Impact of COVID-19 on reported crime rates

Subject Terms: crime incidents, DC metropolitan area, policing, public safety, cross-jurisdictional data, Maryland, Virginia, Washington DC

SCOPE & METHODOLOGY

  • Geographic Coverage: Washington DC metropolitan area (DMV)
  • Smallest Geographic Unit: Jurisdiction / incident location
  • Time Period: 2019 – 2021
  • Universe: All reported crimes in five DMV jurisdictions
  • Unit of Observation: Individual crime incident
  • Data Type: Administrative records — police report data

Data Collection: Police reports compiled from official open data portals for five jurisdictions. Crimes were standardized into general categories. Combined dataset and individual jurisdiction datasets preserved separately.

CITATION

University of Maryland, College of Behavioral and Social Sciences [distributor]. DMV Crime Incidents 2019–2021. BSOS Social Science Data Repository, 2026. https://bsos-data.umd.edu/dataset/dmv-crime-incidents-2019-2021-dataset

FILES & DOCUMENTATION

Available: - DMV Crime Incidents Combined (Data file) - DMV Crime Incidents Codebook (XLSX) - DMV Crime Incidents Metadata (DOCX)

Planned Additions: - Data Dictionary — Standardized crime type categories, jurisdiction codes, variable definitions - Methodology Document — Cross-jurisdiction data harmonization procedures

Data and Resources

Additional Info

Field Value
Source Compiled from official open data portals for Prince George's County, Montgomery County, Baltimore City, Washington, DC, and Arlington County.
Maintainer Jaya Marella, Orla Collins, Tanvi Simhadri
Last Updated April 4, 2026, 14:49 (UTC)
Created August 8, 2024, 20:51 (UTC)
accessibility_score B
collection_date 2026-02-19
course_topics crime;transportation
geography united-states
short_description DMV crime incidents panel
usage_notes Use rate-normalized metrics where possible
years 2019-2021