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ZIP Code Database - Facts & Stats

Data Last Updated: October 1, 2021

ZIP Codes for City of Conowingo, MD

Conowingo, MD Covers 1 ZIP Code

ZIP CodeTypeCountyPopulationArea Code(s)
ZIP Code 21918StandardCecil4,284410

Timezone(s):Eastern (GMT -05:00)
Counties:CECIL, MD
Population:4,284 (More Details)
Male Population:2,180
Female Population:2,104
Median Age:41
ZIP Codes:1
Area Codes:1
Total Area:418 square miles (county)
Land Area:346 square miles (county)
Water Area:72 square miles (county)

Conowingo, MD Demographic Information *

There is no Census data for the city of CONOWINGO, MD. We have pulled information for the ZIP Code 21918 instead.
Total population4,284
Male population2,180
Female population2,104
Median age (years)41.2
White Population4,133
Black Population55
Indian Population6
Asian Population31
Hawaiian Population2
Hispanic Population45
Median age (Male)41.1
Median age (Female)41.4
Total households1,511
Family households (families)1,182
Average household size2.82
Average family size3.15
Total housing units1,589
* Demographic data is based on 2010 Census.

Conowingo, MD Other Information

201 Cities within 30 miles of Conowingo, MD Products


  1. U.S. Postal Service [Last Updated: 10/1/2021],
  2. Internal Data Creation [Last Updated: 10/1/2021],
  3. U.S. Geological Survey [Updated as needed],
  4. U.S. Census [Updated Yearly],
  5. U.S. Census 2010 [Decennial] [Last Updated: 1/1/2010],