Zip Code 21078
Havre De Grace, Maryland — Harford County
📍 ZIP code 21078 is in Havre De Grace, Harford County, Maryland.
ZIP code 21078 is located in Havre De Grace, Harford County, Maryland. It is a zip code in the Eastern (EST/EDT) Time Zone with an estimated population of 20,002. The area code for ZIP code 21078 is 301.
Quick Answer
Zip code 21078 is in Havre De Grace, Maryland (Harford County). It has a population of 20,002, median household income of $109,451, and median home value of $355,500.
Population
20,002
Income
$109,451
Home Value
$355,500
Climate
86°F / 25°F
About Zip Code 21078
Zip code 21078 is located in Havre De Grace, Maryland, within Harford County. Home to approximately 20,002 residents, this area sits at an elevation of 321 ft and falls within the Eastern (EST/EDT) timezone. The local area code is 301.
The median household income is $109,451 per year, which is above the national median of $70,784. Homes in this zip code have a median value of $355,500, and the cost of living index is 128 (28% above the national average of 100).
Summers average a high of 86°F while winters drop to 25°F. The area receives about 47 in of rain and 8 in of snow annually. The zip code covers 30.2 square miles of land area and 5.4 square miles of water.
Key Statistics
20,002
$109,451
$355,500
Eastern (EST/EDT)
301
321 ft
30.2 sq mi
47.4
8,760
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Compare With Nearby Zip Codes
| Metric | 21078 | 21902 | 21005 | 21001 | 21904 | 21903 |
|---|---|---|---|---|---|---|
| City | Havre De Grace, MD | Perry Point, MD | Aberdeen Proving Ground, MD | Aberdeen, MD | Port Deposit, MD | Perryville, MD |
| Population | 20,002 | 313 | 2,354 | 26,121 | 6,401 | 5,679 |
| Median Income | $109,451 | $0 | $123,264 | $81,778 | $84,375 | $77,500 |
| Home Value | $355,500 | $0 | $0 | $267,400 | $318,800 | $271,700 |
| Cost of Living | 128 | 100 | 123 | 95 | 112 | 100 |
| Median Age | 47.4 | 65.9 | 32.2 | 37.7 | 40.9 | 43 |
Cost of Living
100 = National Average. Havre De Grace's cost of living is 28% above the national average.
vs. State Avg
Above
Affordability
Expensive
Income-to-Home
3.2x
Demographics
Zip code 21078 has a population of 20,002 people with a median age of 47.4. There are 8,760 housing units in this area.
Racial & Ethnic Composition
Source: U.S. Census Bureau American Community Survey estimates.
Population History
Havre De Grace (21078) population trend from 2010 to 2024
↑ 40.9%Source: U.S. Census Bureau estimates and American Community Survey data.
Climate & Weather
86°F
25°F
47 in
8 in
Havre De Grace experiences warm summers with average highs around 86°F. Winters are cool with lows averaging 25°F. The area receives about 8 in of snow per year.
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Housing & Economy
Median Home Value
$355,500
Median Household Income
$109,451
With 8,760 housing units across 30.2 square miles, 21078 has a housing density of 290 units per square mile. The home price-to-income ratio is 3.2x.
Location & Geography
Latitude
39.5592°
Longitude
-76.1412°
Land Area
30.2 sq mi
Water Area
5.4 sq mi
Nearby Zip Codes
Zip codes closest to 21078 (Havre De Grace, MD) with distances:
Related Cities in Maryland
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ZIP Codes with Similar Income Nationwide
The five U.S. ZIP codes whose median household income is closest to 21078's $109,451. A way to compare Havre De Grace to economically similar communities elsewhere in the country.
Computed from U.S. Census Bureau ACS 5-Year Estimates by the Zip Code Near Me Data Team.
ZIP Codes with Similar Demographics
The five U.S. ZIP codes whose racial and ethnic composition most closely matches 21078 (Havre De Grace, MD). Similarity is measured by cosine distance on the five-category ACS demographic vector.
Computed from U.S. Census Bureau ACS 5-Year Estimates by the Zip Code Near Me Data Team.
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People Also Ask
What zip code is Havre De Grace, Maryland?
Havre De Grace, Maryland uses zip code 21078.
What county is zip code 21078 in?
Zip code 21078 is located in Harford County, Maryland.
What is the population of zip code 21078?
The population of zip code 21078 is 20,002 with a median age of 47.4.
Is 21078 in Havre De Grace, Maryland?
Yes, zip code 21078 is in Havre De Grace, Harford County, Maryland. The area code is 301.
Frequently Asked Questions
What city is zip code 21078 in?
Zip code 21078 is in Havre De Grace, Maryland. It is part of Harford County and uses the Eastern (EST/EDT) timezone.
What is zip code 21078?
Zip code 21078 is a U.S. postal code in Havre De Grace, Maryland (Harford County). It has a population of 20,002 and covers 30.2 square miles.
What is the population of zip code 21078?
The population of zip code 21078 (Havre De Grace, MD) is 20,002 with a median age of 47.4. There are approximately 8,760 housing units in this area.
What is the median income in zip code 21078?
The median household income in zip code 21078 (Havre De Grace, MD) is $109,451 per year. The cost of living index is 128 (100 = national average).
What is the average home price in zip code 21078?
The median home value in zip code 21078 (Havre De Grace, MD) is $355,500. The cost of living index is 128 compared to the national average of 100.
What county is zip code 21078 in?
Zip code 21078 is located in Harford County, Maryland. The primary city is Havre De Grace.
What is the area code for zip code 21078?
Zip code 21078 in Havre De Grace, MD uses area code 301. It is located in the Eastern (EST/EDT) timezone.
Is zip code 21078 a good place to live?
Zip code 21078 (Havre De Grace, MD) has a cost of living index of 128 (100 = national average), a median household income of $109,451, and median home values of $355,500. The median age is 47.4. Visit the full page for demographics, climate, and nearby zip code comparisons.
What is the cost of living in zip code 21078?
The cost of living index for zip code 21078 (Havre De Grace, MD) is 128, where 100 represents the national average. This area is above the national average. Median home value: $355,500.
What schools serve zip code 21078?
Zip code 21078 in Havre De Grace, Maryland is served by the local school district of Harford County. For specific school information, check your state's department of education or GreatSchools.org.
All demographic data on this page is sourced from the U.S. Census Bureau American Community Survey (ACS) 5-Year Estimates. ZIP code boundary and delivery data is sourced from the United States Postal Service (USPS). Data is updated periodically and may not reflect the most current figures. Census Bureau ZIP Code Tabulation Areas (ZCTAs) may differ slightly from USPS ZIP code boundaries.
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Data Sources
- Population, income, housing, age, and demographics
- U.S. Census Bureau, American Community Survey 5-Year Estimates, 2019-2023 vintage.
- ZIP to city and county mapping
- USPS and HUD-USPS ZIP-County Crosswalk.
- Time zones and area codes
- IANA tz database and NANPA.
- Elevation
- U.S. Geological Survey National Elevation Dataset (NED), via the USGS Elevation Point Query Service. Mapped to each ZCTA centroid coordinates. Last refreshed 2026-05-19.
- Last refreshed
- 2026-05-18.