Residential delivery area · Maryland
ZIP Code 21078: Havre De Grace, MD
ZIP code 21078 uses the postal name Havre De Grace, Maryland and lies entirely in Harford County (Census 2020 ZIP-county file). About 20,000 people live there (Census Bureau, ACS 2020-2024). Median household income is $106,667 (Census Bureau, ACS 2020-2024). By Census place, 20% of its land lies in Havre de Grace, and under 1% in smaller places; 80% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Havre De Grace · its only residential ZIP
- County
- Harford County
- Census places
- Havre de Grace
- Neighborhoods
- Bayview Estates, Grace Harbour, Havre de Grace Heights, Meadowvale Manor, Shawnee Brook South GeoNames
- Metro area
- Baltimore-Columbia-Towson, MD
- House district
- MD-1 119th Congress
- State
- Maryland
- Time zone
- Eastern
- Land area
- 30.1 sq mi · 665 people per sq mi
Where is ZIP code 21078?
21078 centers on 39.559°, -76.141° and covers 30.1 square miles of land plus 5.4 of water. It borders 6 ZIP codes: 21001, 21903, 21904, 21028, 21005, 21034.
The map draws ZIP code areas only. For the streets inside 21078, open its center on OpenStreetMap.
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries and the 2023 Gazetteer (2020 ZCTAs); ZIP-to-county shares, Census places and House districts (119th Congress) from the Census 2020 relationship files (shares of land); metro area from the OMB delineation (July 2023); town name and time zone from simplemaps US ZIP Codes (CC BY 4.0); neighborhoods from the GeoNames gazetteer (CC BY 4.0), placed in this ZIP code by PlainZIP.
How does 21078 compare with the rest of Harford County?
| Measure | 21078 | In Harford County | In MD |
|---|---|---|---|
| People (ACS 2020-2024) | 20,030 | 6th of 24 | 125th of 477 |
| Median household income | $107k | 14th of 18 | 157th of 293 |
| Median home value | $386k | 15th of 20 | 195th of 320 |
Its median household income is higher than in 85% of U.S. residential ZIP codes, and it is denser than 75% of all U.S. residential ZIP codes. ZIP codes at the ACS caps ($250,000 or more for household income, $2,000,000 or more for home value) share the top rank.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B19013, B25077); ranks by PlainZIP over residential ZIP codes (ZCTAs).
How many people live in 21078?
The 2020 Census counted 20,321 people in 21078; the ACS, which samples households over 2020-2024, estimates 20,030. Between the 2010 and 2020 censuses its population grew 15.4% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 20,030
- 2020 Census count
- 20,321+15.4% since 2010 (17,603)
- Households
- 8,476
- Median age
- 46.8
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B01002, B11001); 2020 Census (DHC P1); 2010 Census (SF1 P1).
Who lives in 21078?
Of the 20,030 people the ACS estimates in 21078, 18.9% are under 18 and 22.9% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (69.3%), then Black (not Hispanic) (16.6%).
- Under 1818.9%
- 18 to 6458.2%
- 65 and older22.9%
- White, not Hispanic69.3%
- Black, not Hispanic16.6%
- Other or two or more6.1%
- Hispanic or Latino5.4%
- Asian, not Hispanic2.5%
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01001 age by sex, B03002 Hispanic or Latino origin by race); shares of the estimated population, small ZIP codes carry wide margins.
What do households in 21078 earn?
Median household income is $106,667 (ACS 2020-2024), the 14th highest of the 18 ranked ZIP codes in Harford County. It is not measurably different from 2015-2019 ($97,532 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $106,667
- Income per person
- $53,163
- Below the poverty line
- 8.5%
- Unemployed (of the labor force)
- 3.6%
- Adults 25+ with a bachelor's degree
- 41.6%
- Adjusted gross income per tax return, 2022
- $91,17410,230 returns; wages 69% of AGI (IRS)
Source: U.S. Census Bureau, ACS 2020-2024 and 2015-2019 5-year estimates (B19013, B19301, B17001, B23025, B15003; 2015-2019 dollars converted with the BLS CPI-U, 1.22699); IRS Statistics of Income, ZIP code data, tax year 2022 (adjusted gross income per return, filed under the address on the return).
What are homes worth in 21078?
FHFA's house price index for 21078, built from repeat sales and appraisals of the same homes, rose 76% from 2015 to 2025 and rose 51% from 2020 to 2025, and moved −0.7% in 2025.
- Median home value (owners' estimate)
- $385,600
- Median gross rent
- $1,433
- Homes owned by their occupants
- 77.0%
- Housing units
- 8,869
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001); FHFA House Price Index, annual five-digit ZIP, updated 2026-03-31.
What businesses are in 21078?
397 business establishments had a location in this ZIP code in 2023, 8 more than in 2018; the most are in health care and social assistance (ZIP Code Business Patterns).
- Health care and social assistance64
- Professional, scientific, and technical services45
- Other services (except public administration)45
- Retail trade40
- Accommodation and food services39
- Construction37
Source: U.S. Census Bureau, ZIP Code Business Patterns 2023 and 2018 (establishments with paid employees, by the business's ZIP code).
Which ZIP codes are next to 21078?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 21001 | Aberdeen | 27,168 | $83k | 4.9 mi |
| 21903 | Perryville | 5,692 | $79k | 5.2 mi |
| 21904 | Port Deposit | 6,233 | $88k | 5.5 mi |
| 21028 | Churchville | 3,103 | $138k | 5.8 mi |
| 21005 | Aberdeen Proving Ground | 2,202 | $125k | 6.2 mi |
| 21034 | Darlington | 2,846 | $78k | 7.1 mi |
| 21902 | Perry Point | 340 | – | 4.2 mi (near) |
| 21130 | Perryman | 112 | $17k | 6.4 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.