ZIP Code 21040
standardSource:
Edgewood · Harford County · Maryland
- Population
- 24,420
- Median income
- $81,704
- Median home value
- $238,000
- Bachelor's or higher
- 22.8%
- Land area
- 20.6 sq mi
1,184/sq mi
▲ 7% vs US
higher than 64% of US ZIPs
▼ 14% vs US
higher than 54% of US ZIPs
Median age 36.4
New York
ZIP code 21040 in Edgewood, Maryland has a population of 24,420. The median household income is $81,704, which is 7% above the national average. Median home value is $238,000, 14% below the US average. 22.8% of residents hold a bachelor's degree or higher.
ZIP code 21040 is classified by USPS as a standard delivery area and covers roughly 20.6 square miles in Edgewood, Harford County, Maryland. The area is home to 24,420 residents, producing a population density of 1,184 people per square mile, and falls within the New York time zone. These USPS and Census boundary values drive every downstream statistic on this page, including the benchmarks that compare 21040 against Maryland and the nation.
On the economic side, the median household income for ZIP 21040 sits at $81,704 (28% below the Maryland average), while per-capita income is $36,347. The poverty rate stands at 12.2% and the unemployment rate at 8.0%. On housing, the median home value is $238,000 (47% below the state average) with median rent at $1,360 per month, and 71.1% of occupied units are owner-occupied, a direct signal of whether 21040 behaves more like a homeowner neighborhood or a renter-heavy ZIP.
Education and household profile round out the picture: 22.8% of adults hold a bachelor's degree or higher, the median age is 36.4, and the average commute is 31 minutes. We also surface 10 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing Harford County, so you can benchmark 21040 against its immediate geography rather than a national average alone. Every figure is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates, HUD Fair Market Rents, and FHFA Home Price Index data, no estimates, no proprietary scoring. Verify with HUD →
Top industries in ZIP 21040
Top 5 sectors by establishment count
Which industries have the most business establishments in ZIP 21040.
- Retail trade
Retail trade
53 establishments
- Accommodation and food services
Accommodation and food services
45 establishments
- Construction
Construction
40 establishments
- Health care and social assistance
Health care and social assistance
40 establishments
- Other services (except public administration)
Other services (except public administration)
36 establishments
What this shows Establishment counts come from the Census ZIP Code Business Patterns program, which counts physical business locations rather than employees or revenue.
Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + HUD FMR + FHFA HPI ACS demographics, ZBP business establishments, HUD Fair Market Rents, FHFA HPI for ZIP 21040, Edgewood, MD · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; HUD FMR + FHFA HPI updated quarterly/annually.
Quick Facts
24,420
Population
20.6
Area (sq mi)
1,184
People / sq mi
New York
Time Zone
standard
ZIP Type
Who lives in ZIP 21040?
36.4
Median Age
49.1%
Male
50.9%
Female
8.0%
Foreign-Born
Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
How much do residents earn?
$81,704
Median Household Income
-28% vs state
$36,347
Per Capita Income
12.2%
Poverty Rate
8.0%
Unemployment Rate
31.3 min
Mean Commute Time
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What is the education profile here?
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What does housing look like?
10,241
Total Housing Units
9,795
Occupied Units
446
Vacant Units
2.54
Avg Household Size
Occupancy Type
$238,000
Median Home Value
-47% vs state
$1,360
Median Rent
1981
Median Year Built
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
How have home values changed over time?
FHFA House Price Index, annual appreciation data based on repeat sales and appraisals
+5.0%
YoY Change (2024)
268
HPI Index (2000 = 100)
+168%
Total Change Since 2000
Home values in ZIP 21040 have increased 5.0% over the past year (2024). Since 2000, this ZIP has seen +168% cumulative appreciation.
| Year | Annual Change | HPI Index |
|---|---|---|
| 2020 | +3.3% | 181 |
| 2021 | +14.1% | 207 |
| 2022 | +17.4% | 243 |
| 2023 | +5.3% | 256 |
| 2024 | +5.0% | 268 |
Source: Federal Housing Finance Agency (FHFA) House Price Index, All-Transactions, Five-Digit ZIP Codes (Developmental Index). Index base = 100 in year 2000. Data through 2024. ZIP codes with few transactions may show missing values.
What businesses operate in this ZIP?
Census Bureau data shows 322 business establishments in ZIP 21040, employing approximately 5,960 people with a combined annual payroll of $314,911,000.
322
Businesses
5,960
Employees
$314.9M
Annual Payroll
14
Industry Sectors
| Industry | Establishments | % of Total |
|---|---|---|
| Retail trade | 53 | 16.5% |
| Accommodation and food services | 45 | 14.0% |
| Construction | 40 | 12.4% |
| Health care and social assistance | 40 | 12.4% |
| Other services (except public administration) | 36 | 11.2% |
| Administrative and support and waste management and remediation services | 20 | 6.2% |
| Professional, scientific, and technical services | 18 | 5.6% |
| Transportation and warehousing | 17 | 5.3% |
| Manufacturing | 13 | 4.0% |
| Real estate and rental and leasing | 13 | 4.0% |
| Wholesale trade | 11 | 3.4% |
| Finance and insurance | 7 | 2.2% |
| Information | 4 | 1.2% |
| Educational services | 4 | 1.2% |
Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.
Nearby ZIP Codes
Want a side-by-side? Compare 21040 vs 21009 →
| ZIP Code | City | Population | Distance |
|---|---|---|---|
| 21009 | Abingdon, MD | 29,766 | 2.6 mi |
| 21010 | Gunpowder, MD | 104 | 3.0 mi |
| 21085 | Joppa, MD | 16,171 | 3.3 mi |
| 21017 | Belcamp, MD | 7,062 | 4.3 mi |
| 21156 | Upper Falls, MD | 358 | 5.4 mi |
| 21015 | Bel Air, MD | 27,763 | 7.9 mi |
| 21087 | Kingsville, MD | 5,451 | 6.5 mi |
| 21130 | Perryman, MD | 187 | 6.2 mi |
| 21162 | White Marsh, MD | 3,655 | 6.5 mi |
| 21014 | Bel Air, MD | 36,047 | 7.8 mi |
More ZIP Codes in Harford County
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Frequently Asked Questions
What county is ZIP code 21040 in? ▼
What is the population of ZIP code 21040? ▼
What is the median household income in ZIP 21040? ▼
What is the average home value in ZIP 21040? ▼
What is the demographic makeup of ZIP 21040? ▼
How many businesses are in ZIP code 21040? ▼
What are the main industries in ZIP code 21040? ▼
How have home values changed in ZIP code 21040? ▼
What is the education level in ZIP code 21040? ▼
What is the average commute time in ZIP 21040? ▼
What percentage of residents own vs. rent in ZIP 21040? ▼
What is the poverty rate in ZIP code 21040? ▼
ZIP Code Research Guides
Official Data Resources for Edgewood, MD
Verify and explore additional data for this area using these official government sources.
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023). Business data: Source: Census ZIP Code Business Patterns (ZBP) 2023. Home value trends: Source: FHFA House Price Index (HPI), Five-Digit ZIP Codes.
PlainZIP is not affiliated with the U.S. Census Bureau or any government agency.
Read our methodology , how this data is sourced, computed, and verified.