Skip to contents

Data

Area boundary data

baltimore_city
Generalized political boundary for Baltimore City
baltimore_bbox
Baltimore City WGS84 Bounding Box
baltimore_city_detailed
Detailed physical boundary for Baltimore City
baltimore_msa_counties
County boundaries for the Baltimore–Columbia–Towson MSA
neighborhoods
Neighborhood Boundaries for Baltimore City (2010)
neighborhoods_2020
Neighborhood Boundaries for Baltimore City (2020)
council_districts
Baltimore City Council Districts
legislative_districts
Maryland Legislative Districts for Baltimore City (2022)
legislative_districts_2012
Maryland Legislative Districts for Baltimore City (2012)
congressional_districts
U.S. Congressional Districts for Baltimore City
planning_districts
Baltimore City Planning Districts
csas
Community Statistical Areas (2010)
police_districts
Baltimore City Police Districts (1959-2022)
police_districts_2023
Baltimore City Police Districts (2023-Current)
park_districts
Baltimore Park Districts

U.S. Census area boundary data

baltimore_blocks
U.S. Census Blocks - 2020
baltimore_block_groups
U.S. Census Block Groups - 2020
baltimore_tracts
U.S. Census Tracts - 2020
baltimore_pumas
Baltimore PUMAS (Public Use Microdata Areas) - 2010

Streets and transportation data

streets
Baltimore City Street Center Lines
mta_bus_lines
Maryland Transit Administration (MTA) Bus Routes (2022)
mta_bus_stops
Maryland Transit Administration (MTA) Bus Stops (2023)
mta_light_rail_lines
Maryland Transit Administration (MTA) Light RailLink Stations
mta_light_rail_stations
Maryland Transit Administration (MTA) Light RailLink Stations
mta_marc_lines
Maryland Transit Administration (MTA) MARC Train Lines
mta_marc_stations
Maryland Transit Administration (MTA) MARC Train Stations
mta_subway_lines
Maryland Transit Administration (MTA) SubwayLink Metro Lines
mta_subway_stations
Maryland Transit Administration (MTA) SubwayLink Metro Stations
circulator_routes
Charm City Circulator Routes
circulator_stops
Charm City Circulator and Harbor Connector Stops

Education data

bcps_programs
Baltimore City Public School Programs (SY 2021-2022)
bcps_zones
Baltimore City Public Schools School Zones or School Attendance Zones (SY 2021-2022)

Assorted housing, land use, and other local data

adopted_plans
Adopted city plans, accepted community-initiated plans, and LINCS corridors
zoning
Baltimore City Zoning Code
hmt_2017
Housing Market Typology 2017
baltimore_mihp
Maryland Inventory of Historic Properties in Baltimore City
baltimore_water
Baltimore City Water
baltimore_msa_water
Baltimore Metropolitan Statistical Area (MSA) Water Polygons
parks
Baltimore City Parks
explore_baltimore
Explore Baltimore Heritage Stories
wards_1797_1918
Historic Ward Boundaries, 1797-1918 for Baltimore City
public_art
Baltimore public art works and monuments
inspire_plans
INSPIRE Plans
buildings_21stc
Baltimore 21st Century Schools
schools_21stc
Baltimore 21st Century Schools
chap_districts
CHAP Historic Districts
main_streets
Baltimore City Main Streets
rec_centers
Baltimore City Recreation Centers

Additional non-spatial reference data

request_types
311 Service Request Types for Baltimore City
balt_tbl_labs
Baltimore Data Table Labels
respagency_codes
Baltimore City Real Property Responsible Agency Codes

Crosswalk tables and other reference data

xwalk_block2tract
U.S. Census Block-to-Tract Crosswalk with 2010 Block Household Population
xwalk_csa2nsa
Community Statistical Area (CSA)-to-Neighborhood Statistical Area (NSA) Crosswalk
xwalk_neighborhood2tract
Neighborhood-to-U.S. Census Tract Crosswalk
xwalk_zip2csa
Zipcode-to-Community Statistical Area (NSA) Crosswalk
baltimore_census_xwalk
Crosswalk for Baltimore areas and Census geography
baltimore_gis_index
Baltimore ArcGIS Server index data

Functions for areas and data

Get areas

get_area() get_baltimore_area() get_neighborhood()
Get area of selected type
get_nearby_areas()
Get nearby areas
check_area()
Validate area provided to mapping or charting function.

Get local data for area

get_area_data() deprecated
Get local or cached data for an area
get_area_census_geography()
Get U.S. Census geography overlapping with an area.
get_area_bcps_programs()
Get BCPS programs and attendance zones for a local area
get_area_zoning()
Get zoning data for an area
get_area_streets()
Get selected area streets
get_streets()
Get streets
filter_streets()
Filter streets
named_intersections
Baltimore City Street Intersection Names
get_intersection()
Get intersections
get_data_batch() get_area_batch()
Batch load or save data for an area, street, or intersection
erase_baltimore_parks() erase_baltimore_water()
Erase any are overlapping the geometry

Get remote data

get_baltimore_esri_data()
Get Baltimore data
get_area_property() format_property_data()
Get real property data
get_area_vacants()
Get vacant building notices
get_area_crime()
Get area crimes from Open Baltimore
get_area_911_calls()
Get area 911 calls for service from Open Baltimore
get_area_permits()
Get area building permits from Open Baltimore
maryland_open_data_api_key()
Install a Maryland Open Data Portal API Key in Your .Renviron File for Repeated Use
get_area_requests()
Get area 311 service requests from Open Baltimore
get_area_citations()
Get area citations from Open Baltimore
get_baltimore_worker_flows() deprecated
Get Baltimore metro area worker flows from the Census Transportation Planning data (2012-2016 ACS)

Download and cache data locally

Functions for mapping data

Map local data using ggplot2 and sf

map_area_bcps_programs() deprecated
Map BCPS programs and attendance zones for a local area
map_area_highlighted() deprecated
Maps a highlighted area within the context of multiple areas
map_area_in_areas() deprecated
Map area within selected overlapping areas
map_area_in_city() deprecated
Map area in the context of city boundaries
map_area_mta_services() deprecated
Map MTA services
map_area_parks() deprecated
Map area parks and open spaces
map_area_property() deprecated
Real property or parcel data is from the Maryland State Department of Assessment and Taxation and may include outdated or inaccurate information.
map_area_zoning() deprecated
Map zoning for an area (not working)

Add a layer to a ggplot2 map

layer_area_property()
Add a layer to a gpplot2 map with area property categorized by type
layer_area_streets()
Add a layer to a gpplot2 map with area streets, street names, or both

Set a map theme or scale