Zip Code 21040
Edgewood, Maryland — Harford County
📍 ZIP code 21040 is in Edgewood, Harford County, Maryland.
ZIP code 21040 is located in Edgewood, Harford County, Maryland. It is a zip code in the Eastern (EST/EDT) Time Zone with an estimated population of 25,290. The area code for ZIP code 21040 is 301.
Quick Answer
Zip code 21040 is in Edgewood, Maryland (Harford County). It has a population of 25,290, median household income of $86,925, and median home value of $231,100.
Population
25,290
Income
$86,925
Home Value
$231,100
Climate
86°F / 25°F
About Zip Code 21040
Zip code 21040 is located in Edgewood, Maryland, within Harford County. Home to approximately 25,290 residents, this area sits at an elevation of 3 ft and falls within the Eastern (EST/EDT) timezone. The local area code is 301.
The median household income is $86,925 per year, which is above the national median of $70,784. Homes in this zip code have a median value of $231,100, and the cost of living index is 92 (8% below 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 8 square miles of land area and 1.2 square miles of water.
Key Statistics
25,290
$86,925
$231,100
Eastern (EST/EDT)
301
3 ft
8 sq mi
36.8
10,211
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Compare With Nearby Zip Codes
| Metric | 21040 | 21009 | 21010 | 21085 | 21017 | 21156 |
|---|---|---|---|---|---|---|
| City | Edgewood, MD | Abingdon, MD | Aberdeen Proving Ground, MD | Joppa, MD | Belcamp, MD | Upper Falls, MD |
| Population | 25,290 | 33,444 | 216 | 16,511 | 6,404 | 297 |
| Median Income | $86,925 | $117,017 | $94,097 | $107,975 | $100,298 | $124,648 |
| Home Value | $231,100 | $335,100 | $0 | $327,300 | $241,700 | $486,500 |
| Cost of Living | 92 | 125 | 109 | 123 | 102 | 168 |
| Median Age | 36.8 | 36.1 | 17.9 | 42.8 | 37.1 | 34.2 |
Cost of Living
100 = National Average. Edgewood's cost of living is 8% below the national average.
vs. State Avg
Below
Affordability
Affordable
Income-to-Home
2.7x
Demographics
Zip code 21040 has a population of 25,290 people with a median age of 36.8. There are 10,211 housing units in this area.
Racial & Ethnic Composition
Source: U.S. Census Bureau American Community Survey estimates.
Population History
Edgewood (21040) population trend from 2010 to 2024
↑ 66.5%Source: U.S. Census Bureau estimates and American Community Survey data.
Climate & Weather
86°F
25°F
47 in
8 in
Edgewood 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
$231,100
Median Household Income
$86,925
With 10,211 housing units across 8 square miles, 21040 has a housing density of 1,276 units per square mile. The home price-to-income ratio is 2.7x.
Location & Geography
Latitude
39.4366°
Longitude
-76.2898°
Land Area
8 sq mi
Water Area
1.2 sq mi
Nearby Zip Codes
Zip codes closest to 21040 (Edgewood, 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 21040's $86,925. A way to compare Edgewood 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 21040 (Edgewood, 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 Edgewood, Maryland?
Edgewood, Maryland uses zip code 21040.
What county is zip code 21040 in?
Zip code 21040 is located in Harford County, Maryland.
What is the population of zip code 21040?
The population of zip code 21040 is 25,290 with a median age of 36.8.
Is 21040 in Edgewood, Maryland?
Yes, zip code 21040 is in Edgewood, Harford County, Maryland. The area code is 301.
Frequently Asked Questions
What city is zip code 21040 in?
Zip code 21040 is in Edgewood, Maryland. It is part of Harford County and uses the Eastern (EST/EDT) timezone.
What is zip code 21040?
Zip code 21040 is a U.S. postal code in Edgewood, Maryland (Harford County). It has a population of 25,290 and covers 8 square miles.
What is the population of zip code 21040?
The population of zip code 21040 (Edgewood, MD) is 25,290 with a median age of 36.8. There are approximately 10,211 housing units in this area.
What is the median income in zip code 21040?
The median household income in zip code 21040 (Edgewood, MD) is $86,925 per year. The cost of living index is 92 (100 = national average).
What is the average home price in zip code 21040?
The median home value in zip code 21040 (Edgewood, MD) is $231,100. The cost of living index is 92 compared to the national average of 100.
What county is zip code 21040 in?
Zip code 21040 is located in Harford County, Maryland. The primary city is Edgewood.
What is the area code for zip code 21040?
Zip code 21040 in Edgewood, MD uses area code 301. It is located in the Eastern (EST/EDT) timezone.
Is zip code 21040 a good place to live?
Zip code 21040 (Edgewood, MD) has a cost of living index of 92 (100 = national average), a median household income of $86,925, and median home values of $231,100. The median age is 36.8. Visit the full page for demographics, climate, and nearby zip code comparisons.
What is the cost of living in zip code 21040?
The cost of living index for zip code 21040 (Edgewood, MD) is 92, where 100 represents the national average. This area is below the national average. Median home value: $231,100.
What schools serve zip code 21040?
Zip code 21040 in Edgewood, 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.