Colora, MD 21917 ZIP Code Profile

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Colora, MD

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ZIP Code 21917: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Colora, MD 21917

  • ZIP Code Type: STANDARD
  • Businesses Addresses: 56
  • Single Family Addresses: 838
  • Multi-Family Addresses: 0
  • County: Cecil County
  • Centroid: Latitude 39.655, Longitude -76.073
  • 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.


21917 ZIP Code Map

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Colora, MD 21917 Data & Demographics (As of July 1, 2016)


Total Population 2,289
Population in Households 2,261
Population in Familes 1,981
Population in Group Qrtrs 28
Population Density1 310
Diversity Index2 16


Total Households 778
Average Household Size 2.91
Family Households 620
Average Family Size 3


Total Housing Units 827 (100%)
Owner Occupied HU 641 (77.5%)
Renter Occupied HU 137 (16.6%)
Vacant Housing Units 49 ( 5.9%)
Median Home Value $257,738
Average Home Value $272,036


Median Household Income $80,683
Average Household Income $90,207
Per Capita Income $31,100
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population 0.78% 0.48%
Households 0.8% 0.46%
Families 0.69% 0.38%
Median Household Income   2.08%
Per Capita Income   1.81%
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.

Colora, MD 21917 - Peer Comparisons by Rank and Percentile

The table below compares 21917 to the other 455 ZIP Codes in Maryland by rank and percentile using July 1, 2016 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 # 299 35th
Population Density1 # 247 46th
Diversity Index2 # 388 15th
Median Household Income # 194 58th
Per Capita Income # 283 38th

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