County boundaries downloaded from the U.S. Census Bureau with the tigris::counties function. Counties in the Baltimore–Columbia–Towson Metropolitan Statistical Area (MSA) include Baltimore City, Baltimore County, Carroll County, Anne Arundel County, Howard County, Queen Anne's County, and Harford County. Counties in the DC-VA-MD-WV Metropolitan Statistical Area (MSA) include Montgomery, Frederick, Prince George's, Charles, and Calvert counties. Regions are based on this resource from Visit Maryland https://www.visitmaryland.org/info/maryland-regions. Updated 2024-10-29.
Format
A data frame with 24 rows and 18 variables:
statefp
State FIPS code for Maryland
countyfp
County FIPS code
countyns
County GNIS code
geoid
Unique county FIPS code (concatenation of state and county FIPS codes)
name
County name
namelsad
Concatenated variable length geographic area name and legal/statistical area description (LSAD)
lsad
Legal/statistical area description (LSAD)
classfp
FIPS class code
mtfcc
MAF/TIGER Feature Class Code (MTFCC)
csafp
Combined statistical area code
cbsafp
Metropolitan statistical area/micropolitan statistical area code
metdivfp
Metropolitan division code
funcstat
Functional status
aland
Land area (square meters)
awater
Water area (square meters)
intptlat
Latitude of the internal point
intptlon
Longitude of the internal point
region
Region of the state
geometry
Multipolygon with the county boundary