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 Moderate-density area
$74,063
Median income Near-median income area
$326,800
Median home value Above-median home value
18.0%
Bachelor's or higher Near-average bachelor's attainment

National ZIP placement

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 covers 101.0 square miles in Millington, Kent County, Maryland (a standard USPS delivery area), with a modest 2,898 residents on file, a density of 29 people per square mile, in the New York time zone.

ZIP 21651 lands in the middle-income range, with a median household income of $74,063 (35% below the average Maryland ZIP), while per-capita income is $32,745. The poverty rate is 8.3%, with unemployment at 3.3%; those measures add context to the income figure. Home values sit below the statewide ZIP benchmark: the median is $326,800 (27% below the average Maryland ZIP), and median rent is $1,429; owner occupancy is 77.8%.

Educational attainment sits below the national norm: 18.0% of adults hold a bachelor's degree or higher, the median age is 34.4, and the average commute is -. The page also surfaces 10 ZIP codes within roughly 10 miles and 6 more in Kent County, so 21651 can be compared with both its immediate and county-level context.

Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →

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Top industries in ZIP 21651

Top 5 sectors by establishment count in Millington, MD

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 + FHFA HPI ACS demographics and median rent, ZBP business establishments, 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; 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 ZIP avg

$32,745

Per Capita Income

8.3%

Poverty Rate

3.3%

Unemployment Rate

How ZIP 21651 ranks among Maryland ZIPs

Millington, MD household income vs. every Maryland ZIP code

Median household income among 419 reporting Maryland ZIPs (this ZIP's population is too small for a reliable national-corpus placement)

$74,063 18th percentile higher than 18% of 419 Maryland ZIPs

This ZIP $0 $200K+ every Maryland ZIP, bucketed by value

Each bar is a $20K-wide band; taller bars hold more Maryland 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 ZIP avg

$1,429

Median Rent

1987

Median Year Built

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

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

Nationwide ZIPs with similar ACS profiles

Two Census-derived peer sets for ZIP 21651, both outside MD so the neighborhoods are not geographic containment (Nearby and same-county blocks stay local).

Similar population

Nearest cross-state ZIPs by resident population (2,898 here; floor ≥1,000).

Similar median household income

Nearest cross-state ZIPs by ACS median household income.

More ZIP Codes in Kent County

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 21651's figures come from ACS 5-Year Estimates, Census ZIP Code Business Patterns, and the FHFA House Price Index. See our methodology for details.

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

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ZIP Code Tabulation Areas (ZCTAs) are Census Bureau approximations of USPS ZIP codes; figures describe the ZCTA area, not any single address within it.