Baltimore County MD Information


Baltimore County Subdivisions

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


Total Population 840,176
Daytime Population: Workers 377,152
Daytime Population: Residents 408,727
Total Daytime Population (TDP) 785,879
Ratio TDP/Total Population1 0.94
Population in Households 818,737
Population in Familes 647,160
Population in Group Qrtrs 21,439
Population Density2 1,404
Diversity Index3 61


Median Household Income $67,964
Average Household Income $90,562
Per Capita Income $35,664


Total Housing Units 344,410 (100%)
Owner Occupied HU 210,225 (61.0%)
Renter Occupied HU 115,177 (33.4%)
Vacant Housing Units 19,008 ( 5.5%)
Median Home Value $268,419
Average Home Value $328,162


Total Households 325,402
Average Household Size 2.52
Family Households 208,633
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 0.59% 0.57%
Households 0.37% 0.47%
Families 0.23% 0.37%
Median Household Income   1.8%
Per Capita Income   2.11%


Baltimore County MD - Peer Comparisons by Rank and Percentile

The table below compares Baltimore 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 # 3 92nd
Population Density # 4 88th
Diversity Index # 5 83rd
Median Household Income # 12 54th
Per Capita Income # 12 54th

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