Fallston, MD 21047 ZIP Code Profile

Related Place Profiles:
Fallston, MD

Camera Icon Photos of the local Fallston, MD area

ZIP Code 21047: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Fallston, MD 21047

  • ZIP Code Type: STANDARD
  • County: Harford County
  • Centroid: Latitude 39.526, Longitude -76.43
  • Time Zone: Eastern Time Zone (UTC -5 hours)
  • Observes DST: Yes
  • Businesses Addresses: 399
  • PO Box Addresses: 194
  • Residential Addresses: 4,433
    • Multi-Family Addresses: 0
    • Single Family Addresses: 4,433

The ZIP Code maps and database are updated 4 times per year.
Database updated: February 1, 2018, Maps updated: February 1, 2018.

EXTREMELY LOCAL Demographic 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 demographic data.


21047 ZIP Code Map

Search the map for:

Fallston, MD 21047 Data & Demographics (As of July 1, 2017)


Total Population 12,360
Daytime Population: Workers 5,426
Daytime Population: Residents 5,439
Total Daytime Population (TDP) 10,865
Ratio TDP/Total Population1 0.88
Population in Households 12,353
Population in Familes 11,417
Population in Group Qrtrs 7
Population Density2 533
Diversity Index3 17


Median Household Income $108,456
Average Household Income $133,003
Per Capita Income $46,099


Total Housing Units 4,475 (100%)
Owner Occupied HU 4,022 (89.9%)
Renter Occupied HU 260 ( 5.8%)
Vacant Housing Units 193 ( 4.3%)
Median Home Value $402,436
Average Home Value $466,223


Total Households 4,282
Average Household Size 2.88
Family Households 3,637
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 0.86% 0.67%
Households 0.8% 0.63%
Families 0.73% 0.58%
Median Household Income   0.88%
Per Capita Income   1.89%

Fallston, MD 21047 - Peer Comparisons by Rank and Percentile

The table below compares 21047 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 # 166 64th
Population Density # 200 56th
Diversity Index # 389 15th
Median Household Income # 78 83rd
Per Capita Income # 103 78th

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

Maryland Research Tools

Maryland Census Data Comparison Tool

Compare Maryland Census Data
Highest or Lowest: