Mount Savage, MD 21545 ZIP Code Profile

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Mount Savage, MD

ZIP Code 21545: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Mount Savage, MD 21545

  • ZIP Code Type: STANDARD
  • County: Allegany County
  • Centroid: Latitude 39.697, Longitude -78.88
  • Time Zone: Eastern Time Zone (UTC -5 hours)
  • Observes DST: Yes
  • Businesses Addresses: 27
  • PO Box Addresses: 157
  • Residential Addresses: 660
    • Multi-Family Addresses: 0
    • Single Family Addresses: 660

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.


21545 ZIP Code Map

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Mount Savage, MD 21545 Data & Demographics (As of July 1, 2017)


Total Population 2,001
Daytime Population: Workers 214
Daytime Population: Residents 1,052
Total Daytime Population (TDP) 1,266
Ratio TDP/Total Population1 0.63
Population in Households 1,997
Population in Familes 1,691
Population in Group Qrtrs 4
Population Density2 127
Diversity Index3 9


Median Household Income $58,262
Average Household Income $69,423
Per Capita Income $27,833


Total Housing Units 942 (100%)
Owner Occupied HU 673 (71.4%)
Renter Occupied HU 127 (13.5%)
Vacant Housing Units 142 (15.1%)
Median Home Value $111,957
Average Home Value $163,967


Total Households 800
Average Household Size 2.5
Family Households 573
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 -0.47% -0.57%
Households -0.46% -0.56%
Families -0.59% -0.64%
Median Household Income   1.46%
Per Capita Income   2.32%

Mount Savage, MD 21545 - Peer Comparisons by Rank and Percentile

The table below compares 21545 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 # 311 32nd
Population Density # 333 27th
Diversity Index # 435 5th
Median Household Income # 336 27th
Per Capita Income # 350 23rd

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

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