Baltimore (city) County MD Information


Baltimore (city) County Subdivisions

Baltimore (city) County MD Data & Demographics (As of July 1, 2017)


Total Population 620,488
Daytime Population: Workers 393,674
Daytime Population: Residents 331,474
Total Daytime Population (TDP) 725,148
Ratio TDP/Total Population1 1.17
Population in Households 594,367
Population in Familes 416,606
Population in Group Qrtrs 26,121
Population Density2 7,666
Diversity Index3 57


Median Household Income $41,545
Average Household Income $61,567
Per Capita Income $25,730


Total Housing Units 303,732 (100%)
Owner Occupied HU 112,390 (37.0%)
Renter Occupied HU 137,706 (45.3%)
Vacant Housing Units 53,636 (17.7%)
Median Home Value $162,309
Average Home Value $209,121


Total Households 250,096
Average Household Size 2.38
Family Households 132,379
Average Family Size 3
  1. If the ratio of the TDP to Total Population is greater than 1, the location gains population during the day when commuting workers are present. If the ratio is less than 1, the location is more of a bedroom community where people commute to another place for work.
  2. Population Density = Total Population per square mile.
  3. 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 -0.01% -0.08%
Households 0.01% -0.05%
Families -0.17% -0.18%
Median Household Income   1.04%
Per Capita Income   2.46%


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, 2017 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 # 23 8th
Per Capita Income # 20 21st

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