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Zip Code 21917 — Colora, MD

21917 is a ZIP Code associated with Colora, MD, located within Cecil. The postal region supports an estimated population of 2,233 residents across Data Pending housing units, with a population density of 110.2 people per square mile.

WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (39.671060, -76.098230)

Data Metric	Local Statistic
Postal / Zip Code	21917
Primary City	Colora
State / Province	MD
County	Cecil
Total Population	2,233
Median Household Income	Data Pending
Total Housing Units	Data Pending
Population Density	110.2 people/sq mi
Timezone	America/New_York

How 21917 Compares

Metric	ZIP 21917	Cecil County	MD State Average
Population	2,233	104,960	6,205,597
Median Income	Data Pending	N/A	N/A
Population Density	110.2 /sq mi	--	--

Nearby ZIP Codes

ZIP Code	City	Distance	Population	Median Income
Zip 21911	Rising Sun	3.4 mi	10,551	N/A
Zip 21904	Port Deposit	3.5 mi	6,233	N/A
Zip 21918	Conowingo	3.7 mi	4,169	N/A
Zip 21034	Darlington	6.8 mi	2,846	N/A
Zip 21903	Perryville	7.4 mi	5,692	N/A

Data Sources & Methodology: Geographic coordinates and ZIP Code assignments are derived from underlying geographic and postal datasets. Note that ZIP Codes are USPS postal delivery areas, while Census ZCTAs are statistical approximation areas. Read full methodology →