Baldwin, MD 21013 ZIP Code Profile

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Baldwin, MD

ZIP Code 21013: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Baldwin, MD 21013

  • ZIP Code Type: STANDARD
  • County: Baltimore County
  • Centroid: Latitude 39.5, Longitude -76.493
  • Time Zone: Eastern Time Zone (UTC -5 hours)
  • Observes DST: Yes

ZIP Code 21013 has segments in 2 Counties / Independent Cities (Baltimore, Harford).

  • Businesses Addresses: 66
  • PO Box Addresses: 107
  • Residential Addresses: 1,630
    • Multi-Family Addresses: 0
    • Single Family Addresses: 1,630

The ZIP Code maps and database are updated 4 times per year.
Database updated: May 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.


21013 ZIP Code Map

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Baldwin, MD 21013 Data & Demographics (As of July 1, 2017)


Total Population 4,296
Daytime Population: Workers 394
Daytime Population: Residents 2,011
Total Daytime Population (TDP) 2,405
Ratio TDP/Total Population1 0.56
Population in Households 4,296
Population in Familes 3,904
Population in Group Qrtrs 0
Population Density2 336
Diversity Index3 16


Median Household Income $113,220
Average Household Income $144,683
Per Capita Income $51,259


Total Housing Units 1,574 (100%)
Owner Occupied HU 1,395 (88.6%)
Renter Occupied HU 127 ( 8.1%)
Vacant Housing Units 52 ( 3.3%)
Median Home Value $443,995
Average Home Value $493,907


Total Households 1,522
Average Household Size 2.82
Family Households 1,257
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 0.65% 0.68%
Households 0.51% 0.57%
Families 0.44% 0.54%
Median Household Income   0.87%
Per Capita Income   1.72%

Baldwin, MD 21013 - Peer Comparisons by Rank and Percentile

The table below compares 21013 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 # 250 45th
Population Density # 243 47th
Diversity Index # 403 12th
Median Household Income # 62 87th
Per Capita Income # 67 86th

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

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