Residential delivery area · Maryland
ZIP Code 21651: Millington, MD
ZIP code 21651 uses the postal name Millington, Maryland and lies mostly in Kent County (71% of its land) with the rest in Queen Anne's County (Census 2020 ZIP-county file). About 2,300 people live there (Census Bureau, ACS 2020-2024). Median household income is $74,063 (Census Bureau, ACS 2020-2024). By Census place, 2% of its land lies in Millington; 98% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2022
- ZBP2023
- IRS2022
- Town
- Millington · its only residential ZIP
- County
- Kent County (71%); Queen Anne's County (29%)
- Census places
- Millington
- House district
- MD-1 119th Congress
- State
- Maryland
- Time zone
- Eastern
- Land area
- 40.6 sq mi · 56 people per sq mi
Where is ZIP code 21651?
21651 centers on 39.256°, -75.858° and covers 40.6 square miles of land plus 1.0 of water. It borders 8 ZIP codes: 21628, 21668, 21650, 21635, 21645, 19938, 21620, 19734.
The map draws ZIP code areas only. For the streets inside 21651, 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 21651 compare with the rest of Kent County?
| Measure | 21651 | In Kent County | In MD |
|---|---|---|---|
| People (ACS 2020-2024) | 2,290 | 3rd of 9 | 301st of 477 |
| Median household income | $74k | 4th of 5 | 249th of 293 |
| Median home value | $327k | 3rd of 5 | 249th of 320 |
Its median household income is higher than in 53% of U.S. residential ZIP codes, and it is denser than 44% 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 21651?
The 2020 Census counted 2,718 people in 21651; the ACS, which samples households over 2020-2024, estimates 2,290. Between the 2010 and 2020 censuses its population fell 6.2% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 2,290±425 (90% margin)
- 2020 Census count
- 2,718−6.2% since 2010 (2,898)
- Households
- 884
- Median age
- 34.4
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 21651?
Of the 2,290 people the ACS estimates in 21651, 27.2% are under 18 and 17.2% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (69.8%), then Hispanic or Latino (17.5%).
- Under 1827.2%
- 18 to 6455.5%
- 65 and older17.2%
- White, not Hispanic69.8%
- Hispanic or Latino17.5%
- Black, not Hispanic10.1%
- Other or two or more2.3%
- Asian, not Hispanic0.4%
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 21651 earn?
Median household income is $74,063 (ACS 2020-2024), the 4th highest of the 5 ranked ZIP codes in Kent County. It is not measurably different from 2015-2019 ($73,921 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $74,063±$11,281
- Income per person
- $32,745
- Below the poverty line
- 8.3%
- Unemployed (of the labor force)
- 3.3%
- Adults 25+ with a bachelor's degree
- 18.0%
- Adjusted gross income per tax return, 2022
- $65,7771,330 returns; wages 71% 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 21651?
- Median home value (owners' estimate)
- $326,800
- Median gross rent
- $1,429
- Homes owned by their occupants
- 77.8%
- Housing units
- 1,012
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 21651?
41 business establishments had a location in this ZIP code in 2023, 12 fewer than in 2018; the most are in other services (except public administration) (ZIP Code Business Patterns).
- Other services (except public administration)8
- Construction6
- Retail trade6
- Manufacturing5
- Wholesale trade3
- Finance and insurance3
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 21651?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 21628 | Crumpton | 248 | $115k | 3.8 mi |
| 21668 | Sudlersville | 2,011 | $79k | 4.5 mi |
| 21650 | Massey | 265 | – | 4.6 mi |
| 21635 | Galena | 2,085 | $102k | 5.5 mi |
| 21645 | Kennedyville | 959 | $86k | 6.7 mi |
| 19938 | Clayton, DE | 9,561 | $100k | 8.5 mi |
| 21620 | Chestertown | 13,810 | $81k | 12.5 mi |
| 19734 | Townsend, DE | 14,214 | $128k | 14.0 mi |
| 21930 | Georgetown | 25 | – | 8.0 mi (near) |
| 21607 | Barclay | 597 | $91k | 8.4 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.