Baltimore County MD Information


Baltimore County Subdivisions

Baltimore County MD Data & Demographics (As of July 1, 2015)


Total Population 819,453
Population in Households 798,169
Population in Familes 630,363
Population in Group Qrtrs 21,284
Population Density1 1,370
Diversity Index2 59


Total Households 321,545
Average Household Size 2.48
Family Households 206,478
Average Family Size 3


Total Housing Units 341,758 (100%)
Owner Occupied HU 207,514 (60.7%)
Renter Occupied HU 114,031 (33.4%)
Vacant Housing Units 20,213 ( 5.9%)
Median Home Value $272,150
Average Home Value $332,287


Median Household Income $64,762
Average Household Income $89,664
Per Capita Income $35,635
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population 0.34% 0.5%
Households 0.29% 0.49%
Families 0.13% 0.38%
Median Household Income   3.2%
Per Capita Income   2.48%
1) Population Density = Total Population per square mile.
2) The Diversity Index is a scale of 0 to 100 that represents the likelyhood 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.
Based on Census 2010 counts, the Diversity Index for the United States was 60.6 and it is expected to increase to 64.8 by July 1, 2018.


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, 2015 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 Density1 # 4 88th
Diversity Index2 # 5 83rd
Median Household Income # 14 46th
Per Capita Income # 12 54th

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