Joppa, MD 21085 ZIP Code Profile

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Joppa, MD | Joppatowne, MD

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ZIP Code 21085: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Joppa, MD 21085

Not Acceptable, USPS
Joppatown, MD 21085
Joppatowne, MD 21085

  • ZIP Code Type: STANDARD
  • Businesses Addresses: 339
  • Single Family Addresses: 6,308
  • Multi-Family Addresses: 490
  • County: Harford County
  • Centroid: Latitude 39.432, Longitude -76.356
  • Time Zone: Eastern Time Zone (UTC -5 hours)
  • Observes DST: Yes

Neighborhood Data

Address Based Hyperlocal Data Input an address and get data & demographics for the pertinent census block group (CBG), a searchable map and a customized directory. The CBG is the smallest geographical unit used by the Census Bureau for reporting certain data.


21085 ZIP Code Map

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Joppa, MD 21085 Data & Demographics (As of July 1, 2017)


Total Population 17,049
Daytime Population: Workers 4,101
Daytime Population: Residents 8,051
Total Daytime Population (TDP) 12,152
Ratio TDP/Total Population1 0.71
Population in Households 17,046
Population in Familes 14,360
Population in Group Qrtrs 3
Population Density2 862
Diversity Index3 41


Median Household Income $75,860
Average Household Income $86,851
Per Capita Income $33,135


Total Housing Units 6,880 (100%)
Owner Occupied HU 5,199 (75.6%)
Renter Occupied HU 1,304 (19.0%)
Vacant Housing Units 377 ( 5.5%)
Median Home Value $274,207
Average Home Value $298,764


Total Households 6,503
Average Household Size 2.62
Family Households 4,724
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 0.66% 0.68%
Households 0.53% 0.63%
Families 0.44% 0.57%
Median Household Income   1.23%
Per Capita Income   2.22%

Joppa, MD 21085 - Peer Comparisons by Rank and Percentile

The table below compares 21085 to the other 456 ZIP Codes 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 # 135 71st
Population Density # 166 64th
Diversity Index # 209 54th
Median Household Income # 231 50th
Per Capita Income # 264 42nd

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

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