Residential delivery area · Maryland
ZIP Code 21028: Churchville, MD
ZIP code 21028 uses the postal name Churchville, Maryland and lies entirely in Harford County (Census 2020 ZIP-county file). About 3,100 people live there (Census Bureau, ACS 2020-2024). Median household income is $137,586 (Census Bureau, ACS 2020-2024). Its land lies outside any incorporated or census-designated place.
- ACS2020-24
- Census2020
- FHFA2024
- ZBP2023
- IRS2022
- Town
- Churchville · its only residential ZIP
- County
- Harford County
- Metro area
- Baltimore-Columbia-Towson, MD
- House district
- MD-1 119th Congress
- State
- Maryland
- Time zone
- Eastern
- Land area
- 12.9 sq mi · 241 people per sq mi
Where is ZIP code 21028?
21028 centers on 39.566°, -76.250° and covers 12.9 square miles of land plus 0.1 of water. It borders 4 ZIP codes: 21015, 21001, 21034, 21078.
The map draws ZIP code areas only. For the streets inside 21028, 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).
How does 21028 compare with the rest of Harford County?
| Measure | 21028 | In Harford County | In MD |
|---|---|---|---|
| People (ACS 2020-2024) | 3,103 | 18th of 24 | 272nd of 477 |
| Median household income | $138k | 2nd of 18 | 79th of 293 |
| Median home value | $512k | 5th of 20 | 88th of 320 |
Its median household income is higher than in 95% of U.S. residential ZIP codes, and it is denser than 65% 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 21028?
The 2020 Census counted 3,172 people in 21028; the ACS, which samples households over 2020-2024, estimates 3,103. Between the 2010 and 2020 censuses its population fell 8.3% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 3,103±425 (90% margin)
- 2020 Census count
- 3,172−8.3% since 2010 (3,460)
- Households
- 1,066
- Median age
- 44.6
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 21028?
Of the 3,103 people the ACS estimates in 21028, 17.5% are under 18 and 20.1% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (82.0%).
- Under 1817.5%
- 18 to 6462.4%
- 65 and older20.1%
- White, not Hispanic82.0%
- Other or two or more6.8%
- Hispanic or Latino5.5%
- Asian, not Hispanic4.3%
- Black, not Hispanic1.4%
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 21028 earn?
Median household income is $137,586 (ACS 2020-2024), the 2nd highest of the 18 ranked ZIP codes in Harford County. It is not measurably different from 2015-2019 ($133,585 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $137,586
- Income per person
- $64,473
- Below the poverty line
- 3.1%
- Unemployed (of the labor force)
- 2.3%
- Adults 25+ with a bachelor's degree
- 49.6%
- Adjusted gross income per tax return, 2022
- $141,6271,640 returns; wages 55% 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 21028?
- Median home value (owners' estimate)
- $512,400
- Median gross rent
- $2,080
- Homes owned by their occupants
- 85.2%
- Housing units
- 1,134
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 21028?
74 business establishments had a location in this ZIP code in 2023, 11 fewer than in 2018; the most are in construction (ZIP Code Business Patterns).
- Construction16
- Other services (except public administration)14
- Administrative and support and waste management and remediation services9
- Professional, scientific, and technical services7
- Real estate and rental and leasing6
- Health care and social assistance6
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 21028?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 21015 | Bel Air | 30,013 | $137k | 2.7 mi |
| 21001 | Aberdeen | 27,168 | $83k | 5.0 mi |
| 21034 | Darlington | 2,846 | $78k | 5.3 mi |
| 21078 | Havre De Grace | 20,030 | $107k | 5.8 mi |
| 21014 | Bel Air | 38,707 | $117k | 5.8 mi (near) |
| 21017 | Belcamp | 6,648 | $107k | 6.3 mi (near) |
| 21009 | Abingdon | 33,679 | $122k | 6.8 mi (near) |
| 21130 | Perryman | 112 | $17k | 7.1 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.