PlainZIP

East New Market, MD · standard

ZIP Code 21631

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

2,731
40/sq mi
$73,864
Median income
$306,700
Median home value
23.8%
Bachelor's or higher

The verdict

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

Top 47%
household income, US ZIPs
Top 32%
home value, US ZIPs
40
people per sq mi
85%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 21631 against every reporting US ZIP.

ZIP code 21631 is classified by USPS as a standard delivery area and covers roughly 67.6 square miles in East New Market, Dorchester County, Maryland. The area is home to 2,731 residents, producing a population density of 40 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 21631 against Maryland and the nation.

On the economic side, the median household income for ZIP 21631 sits at $73,864 (35% below the Maryland average), while per-capita income is $37,827. The poverty rate stands at 4.9% and the unemployment rate at 5.7%. On housing, the median home value is $306,700 (31% below the state average) with median rent at $1,541 per month, and 85.4% of occupied units are owner-occupied, a direct signal of whether 21631 behaves more like a homeowner neighborhood or a renter-heavy ZIP.

Education and household profile round out the picture: 23.8% of adults hold a bachelor's degree or higher, the median age is 48.3, and the average commute is —. We also surface 6 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing Dorchester County, so you can benchmark 21631 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 21631

Top 5 sectors by establishment count

Which industries have the most business establishments in ZIP 21631.

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 21631, East New Market, 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

2,731

Population

67.6

Area (sq mi)

40

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 21631?

48.3

Median Age

41.1%

Male

58.9%

Female

5.8%

Foreign-Born

White 71.2%
African American 6.1%
Asian 0.0%
American Indian or Alaska Native 0.0%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 13.9%
Hispanic or Latino 12.2%

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?

$73,864

Median Household Income

-35% vs state

$37,827

Per Capita Income

4.9%

Poverty Rate

5.7%

Unemployment Rate

How ZIP 21631 ranks nationally

Household income vs. every US ZIP code

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

$73,864 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 66.8%
Bachelor's Degree or Higher 23.8%

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

What does housing look like?

1,020

Total Housing Units

942

Occupied Units

78

Vacant Units

2.58

Avg Household Size

Occupancy Type

Owner 85.4%
Renter 14.6%

$306,700

Median Home Value

-31% vs state

$1,541

Median Rent

1983

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

+2.2%

YoY Change (2022)

206

HPI Index (2000 = 100)

+106%

Total Change Since 2000

Home values in ZIP 21631 have increased 2.2% over the past year (2022). Since 2000, this ZIP has seen +106% cumulative appreciation.

Year Annual Change HPI Index
2018 -1.6% 157
2019 +6.7% 167
2020 +1.5% 170
2021 +18.6% 201
2022 +2.2% 206

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 37 business establishments in ZIP 21631, employing approximately 290 people with a combined annual payroll of $12,843,000.

37

Businesses

290

Employees

$12.8M

Annual Payroll

7

Industry Sectors

Industry Establishments % of Total
Construction 9 24.3%
Retail trade 4 10.8%
Transportation and warehousing 4 10.8%
Wholesale trade 3 8.1%
Administrative and support and waste management and remediation services 3 8.1%
Health care and social assistance 3 8.1%
Other services (except public administration) 3 8.1%

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 21631 vs 21664 →

ZIP 21631 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 21631 ranks #4 by population — useful context the national average alone can't give.

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

ZIP 21631 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 21631 ranks #2 of 7 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
21664 Secretary, MD 539 1.4 mi
21835 Linkwood, MD 507 3.7 mi
21643 Hurlock, MD 5,979 5.9 mi
21673 Trappe, MD 3,136 6.9 mi
21869 Vienna, MD 1,006 10.4 mi
21613 Cambridge, MD 17,330 9.4 mi

More ZIP Codes in Dorchester County

21613 standard
Cambridge, MD
Pop: 17,330
21643 standard
Hurlock, MD
Pop: 5,979
21659 standard
Rhodesdale, MD
Pop: 1,551
21869 standard
Vienna, MD
Pop: 1,006
21622 standard
Church Creek, MD
Pop: 558
21664 standard
Secretary, MD
Pop: 539

Related Areas

Dorchester County East New Market, MD Maryland

Frequently Asked Questions

What county is ZIP code 21631 in? ▼
ZIP code 21631 (East New Market) is located in Dorchester County, Maryland. Dorchester County contains multiple ZIP codes, see the full list at /counties/dorchester-md.
What is the population of ZIP code 21631? ▼
ZIP code 21631 in East New Market, MD has a population of 2,731 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 21631? ▼
The median household income in ZIP 21631 is $73,864, which is 3% below the national average of $76,288.
What is the average home value in ZIP 21631? ▼
The median home value in ZIP 21631 is $306,700, which is 10% above the national average of $278,155.
What is the demographic makeup of ZIP 21631? ▼
The largest racial group in ZIP 21631 is White at 71.2%. Hispanic or Latino residents make up 12.2% of the population.
How many businesses are in ZIP code 21631? ▼
ZIP code 21631 has 37 business establishments employing approximately 290 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 21631? ▼
The top industries by establishment count in ZIP 21631 are: Construction (9), Retail trade (4), Transportation and warehousing (4). There are 7 industry sectors represented in total.
How have home values changed in ZIP code 21631? ▼
According to the FHFA House Price Index, home values in ZIP 21631 increased by 2.2% in 2022. Since 2000, home values in this ZIP have appreciated by approximately 106%. 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 21631? ▼
In ZIP code 21631, 66.8% of residents aged 25+ have a high school diploma or higher, and 23.8% 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 21631? ▼
In ZIP code 21631, approximately 85.4% of occupied housing units are owner-occupied and 14.6% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 21631? ▼
The poverty rate in ZIP code 21631 is 4.9% 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 East New Market, 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.