Baltimore (city) County MD Information


Baltimore (city) County Subdivisions

Baltimore (city) County MD Data & Demographics (As of July 1, 2018)


Total Population 613,084
Population in Households 586,993
Population in Familes 414,833
Population in Group Qrtrs 26,091
Population Density1 7,574
Diversity Index2 57


Median Household Income $42,785
Average Household Income $64,300
Per Capita Income $26,918


Total Housing Units 303,719 (100%)
Owner Occupied HU 115,828 (38.1%)
Renter Occupied HU 131,922 (43.4%)
Vacant Housing Units 55,969 (18.4%)
Median Home Value $167,330
Average Home Value $215,503


Total Households 247,750
Average Household Size 2.37
Family Households 130,670
Average Family Size 3
  1. Population Density = Total Population per square mile.
  2. The Diversity Index is a scale of 0 to 100 that represents the likelihood that two persons, chosen at random from the same area, belong to different race or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.


2010-2017 2017-2022
Population -0.15% -0.37%
Households -0.1% -0.34%
Families -0.31% -0.5%
Median Household Income   3.41%
Per Capita Income   3.54%


Baltimore (city) County MD - Peer Comparisons by Rank and Percentile

The table below compares Baltimore (city) County to the other 24 counties / independent cities and county equivalents in Maryland by rank and percentile using July 1, 2018 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 4 88th
Population Density # 1 100th
Diversity Index # 7 75th
Median Household Income # 24 4th
Per Capita Income # 19 25th

Additional comparisons and rankings can be made with a VERY EASY TO USE Maryland Census Data Comparison Tool.