PlainZIP

Millington, MD · standard

ZIP Code 21651

Kent County, Maryland — Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.

2,898
29/sq mi
$74,063
Median income
$326,800
Median home value
18.0%
Bachelor's or higher

The verdict

Millington pairs an above-median household income with above-median home values, in a rural, homeowner-dominated area.

Top 47%
household income, US ZIPs
Top 30%
home value, US ZIPs
29
people per sq mi
78%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 21651 against every reporting US ZIP.

ZIP code 21651 is classified by USPS as a standard delivery area and covers roughly 101.0 square miles in Millington, Kent County, Maryland. The area is home to 2,898 residents, producing a population density of 29 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 21651 against Maryland and the nation.

On the economic side, the median household income for ZIP 21651 sits at $74,063 (35% below the Maryland average), while per-capita income is $32,745. The poverty rate stands at 8.3% and the unemployment rate at 3.3%. On housing, the median home value is $326,800 (27% below the state average) with median rent at $1,429 per month, and 77.8% of occupied units are owner-occupied, a direct signal of whether 21651 behaves more like a homeowner neighborhood or a renter-heavy ZIP.

Education and household profile round out the picture: 18.0% of adults hold a bachelor's degree or higher, the median age is 34.4, and the average commute is —. We also surface 10 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing Kent County, so you can benchmark 21651 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 21651

Top 5 sectors by establishment count

Which industries have the most business establishments in ZIP 21651.

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 · ZIP Code Business Patterns (ZBP) As of 2023

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 21651, Millington, 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

2,898

Population

101.0

Area (sq mi)

29

People / sq mi

New York

Time Zone

standard

ZIP Type

Neighborhood Scorecard
Get an A-F grade across income, safety, housing, rent, education, commute, and childcare for this ZIP code.
View Scorecard →

Who lives in ZIP 21651?

34.4

Median Age

52.1%

Male

47.9%

Female

3.1%

Foreign-Born

White 69.8%
African American 10.1%
Asian 0.4%
American Indian or Alaska Native 0.1%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 7.6%
Hispanic or Latino 17.5%

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?

$74,063

Median Household Income

-35% vs state

$32,745

Per Capita Income

8.3%

Poverty Rate

3.3%

Unemployment Rate

How ZIP 21651 ranks nationally

Household income vs. every US ZIP code

Median household income — the full national distribution, with this ZIP marked

$74,063 Top 47% higher than 53% of 30,318 US ZIPs

$0–$20,000: 118 US ZIPs (0%). Below this entry. $20,000–$40,000: 1,573 US ZIPs (5%). Below this entry. $40,000–$60,000: 7,092 US ZIPs (23%). Below this entry. $60,000–$80,000: 9,980 US ZIPs (33%). This entry sits in this band. $80,000–$100,000: 5,778 US ZIPs (19%). Above this entry. $100,000–$120,000: 2,855 US ZIPs (9%). Above this entry. $120,000–$140,000: 1,362 US ZIPs (4%). Above this entry. $140,000–$160,000: 686 US ZIPs (2%). Above this entry. $160,000–$180,000: 364 US ZIPs (1%). Above this entry. $180,000–$200,000: 186 US ZIPs (1%). Above this entry. $200,000–$220,000: 324 US ZIPs (1%). Above this entry. This ZIP $0 $200K+ every reporting US ZIP, bucketed by value

Each bar is a $20K-wide band; taller bars hold more US ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source U.S. Census Bureau — ACS 5-Year Estimates · 2019–2023

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What is the education profile here?

High School Graduate or Higher 60.1%
Bachelor's Degree or Higher 18.0%

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What does housing look like?

1,012

Total Housing Units

884

Occupied Units

128

Vacant Units

2.59

Avg Household Size

Occupancy Type

Owner 77.8%
Renter 22.2%

$326,800

Median Home Value

-27% vs state

$1,429

Median Rent

1987

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

+13.0%

YoY Change (2022)

222

HPI Index (2000 = 100)

+122%

Total Change Since 2000

Home values in ZIP 21651 have increased 13.0% over the past year (2022). Since 2000, this ZIP has seen +122% cumulative appreciation.

Year Annual Change HPI Index
2018 +0.1% 155
2019 +14.5% 177
2020 -6.5% 166
2021 +18.5% 196
2022 +13.0% 222

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 2022. ZIP codes with few transactions may show missing values.

What businesses operate in this ZIP?

Census Bureau data shows 41 business establishments in ZIP 21651, employing approximately 400 people with a combined annual payroll of $18,906,000.

41

Businesses

400

Employees

$18.9M

Annual Payroll

6

Industry Sectors

Industry Establishments % of Total
Other services (except public administration) 8 19.5%
Construction 6 14.6%
Retail trade 6 14.6%
Manufacturing 5 12.2%
Wholesale trade 3 7.3%
Finance and insurance 3 7.3%

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 21651 vs 21668 →

ZIP 21651 vs its nearest neighbors, by population

Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.

residents

What this shows Among its immediate neighbors, ZIP 21651 ranks the most populous — useful context the national average alone can't give.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023

ZIP 21651 vs its nearest neighbors, by median income

Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.

median income

What this shows By household income, ZIP 21651 ranks #7 of 8 neighboring ZIPs — local affluence varies block to block, not just metro to metro.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023
ZIP Code City Population Distance
21668 Sudlersville, MD 1,904 4.7 mi
21628 Crumpton, MD 556 3.8 mi
21635 Galena, MD 2,098 5.5 mi
21650 Massey, MD 238 4.5 mi
21607 Barclay, MD 583 8.7 mi
21930 Georgetown, MD 94 8.1 mi
21913 Cecilton, MD 663 10.1 mi
21644 Ingleside, MD 111 10.2 mi
21645 Kennedyville, MD 1,039 7.4 mi
21649 Marydel, MD 1,858 9.7 mi

More ZIP Codes in Kent County

21620 standard
Chestertown, MD
Pop: 12,853
21661 standard
Rock Hall, MD
Pop: 2,653
21678 standard
Worton, MD
Pop: 2,301
21635 standard
Galena, MD
Pop: 2,098
21645 standard
Kennedyville, MD
Pop: 1,039
21610 standard
Betterton, MD
Pop: 378

Related Areas

Kent County Millington, MD Maryland

Frequently Asked Questions

What county is ZIP code 21651 in? ▼
ZIP code 21651 (Millington) is located in Kent County, Maryland. Kent County contains multiple ZIP codes, see the full list at /counties/kent-md.
What is the population of ZIP code 21651? ▼
ZIP code 21651 in Millington, MD has a population of 2,898 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 21651? ▼
The median household income in ZIP 21651 is $74,063, which is 3% below the national average of $76,288.
What is the average home value in ZIP 21651? ▼
The median home value in ZIP 21651 is $326,800, which is 17% above the national average of $278,155.
What is the demographic makeup of ZIP 21651? ▼
The largest racial group in ZIP 21651 is White at 69.8%. Hispanic or Latino residents make up 17.5% of the population.
How many businesses are in ZIP code 21651? ▼
ZIP code 21651 has 41 business establishments employing approximately 400 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 21651? ▼
The top industries by establishment count in ZIP 21651 are: Other services (except public administration) (8), Construction (6), Retail trade (6). There are 6 industry sectors represented in total.
How have home values changed in ZIP code 21651? ▼
According to the FHFA House Price Index, home values in ZIP 21651 increased by 13.0% in 2022. Since 2000, home values in this ZIP have appreciated by approximately 122%. This is a developmental index based on repeat sales and appraisal data from Fannie Mae and Freddie Mac.
What is the education level in ZIP code 21651? ▼
In ZIP code 21651, 60.1% of residents aged 25+ have a high school diploma or higher, and 18.0% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What percentage of residents own vs. rent in ZIP 21651? ▼
In ZIP code 21651, approximately 77.8% of occupied housing units are owner-occupied and 22.2% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 21651? ▼
The poverty rate in ZIP code 21651 is 8.3% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.

ZIP Code Research Guides

Reading Census Demographics
How to interpret population, income, and education data from the Census Bureau.
Understanding ZIP Code Data
What ZIP codes are, how ZCTAs differ, and what the data reveals.
Best ZIP Codes for Families
Key factors to evaluate when choosing a family-friendly neighborhood.
ZIP Codes for Relocation
Data-driven tips for evaluating ZIP codes before a move.

Official Data Resources for Millington, MD

Verify and explore additional data for this area using these official government sources.

U.S. Census Bureau
Official demographic, economic, and housing data from the American Community Survey.
HUD Fair Market Rents
Department of Housing and Urban Development rental cost estimates by metropolitan area.
FBI Uniform Crime Reports
Official crime statistics compiled from law enforcement agencies nationwide.
FHFA House Price Index
Federal Housing Finance Agency home value trends based on repeat sales and appraisals.

Read our methodology to see how this data is sourced, computed, and verified.