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 Moderate-density area
- $73,864
- Median income Near-median income area
- $306,700
- Median home value Above-median home value
- 23.8%
- Bachelor's or higher Near-average bachelor's attainment
National ZIP placement
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 covers 67.6 square miles in East New Market, Dorchester County, Maryland (a standard USPS delivery area), with a modest 2,731 residents on file, a density of 40 people per square mile, in the New York time zone.
ZIP 21631 lands in the middle-income range, with a median household income of $73,864 (35% below the average Maryland ZIP), while per-capita income is $37,827. The poverty rate is 4.9%, with unemployment at 5.7%; those measures add context to the income figure. Home values sit below the statewide ZIP benchmark: the median is $306,700 (31% below the average Maryland ZIP), and median rent is $1,541; owner occupancy is 85.4%.
Educational attainment sits below the national norm: 23.8% of adults hold a bachelor's degree or higher, the median age is 48.3, and the average commute is -. The page also surfaces 6 ZIP codes within roughly 10 miles and 6 more in Dorchester County, so 21631 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 →
Top industries in ZIP 21631
Top 5 sectors by establishment count in East New Market, MD
Which industries have the most business establishments in ZIP 21631.
- Construction
Construction
9 establishments
- Retail trade
Retail trade
4 establishments
- Transportation and warehousing
Transportation and warehousing
4 establishments
- Wholesale trade 3
Wholesale trade
3 establishments
- Administrative and support and waste management and remediation services 3
Administrative and support and waste management and remediation services
3 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, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, 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; 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
Who lives in ZIP 21631?
48.3
Median Age
41.1%
Male
58.9%
Female
5.8%
Foreign-Born
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 ZIP avg
$37,827
Per Capita Income
4.9%
Poverty Rate
5.7%
Unemployment Rate
How ZIP 21631 ranks among Maryland ZIPs
East New Market, 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)
$73,864 18th percentile higher than 18% of 419 Maryland ZIPs
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?
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What does housing look like?
Housing stock: occupied vs vacant
1,020housing units
1,020
Total Housing Units
942
Occupied Units
78
Vacant Units
2.58
Avg Household Size
Occupancy Type
$306,700
Median Home Value
-31% vs state ZIP avg
$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.
- 21613
Cambridge (21613)
17,330 residents
- 21643 5,979
Hurlock (21643)
5,979 residents
- 21673 3,136
Trappe (21673)
3,136 residents
- 21631 2,731
East New Market (21631)
2,731 residents
- 21869 1,006
Vienna (21869)
1,006 residents
- 21664 539
Secretary (21664)
539 residents
- 21835 507
Linkwood (21835)
507 residents
What this shows Among its immediate neighbors, ZIP 21631 ranks #4 by population - useful context the national average alone can't give.
ZIP 21631 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 21664
Secretary (21664)
$82,721 median income
- 21631
East New Market (21631)
$73,864 median income
- 21673
Trappe (21673)
$68,194 median income
- 21643
Hurlock (21643)
$67,219 median income
- 21869
Vienna (21869)
$62,045 median income
- 21613
Cambridge (21613)
$53,890 median income
- 21835
Linkwood (21835)
$47,083 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.
Nationwide ZIPs with similar ACS profiles
Two Census-derived peer sets for ZIP 21631, 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 (2,731 here; floor ≥1,000).
Similar median household income
Nearest cross-state ZIPs by ACS median household income.
More ZIP Codes in Dorchester County
Related Areas
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.
Related
Take this with you
What to do with ZIP 21631's numbers, next.
- See how ZIP 21631 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where East New Market, MD ranks among every U.S. ZIP code on income, education, or homeownership View national rankings
- Save this ZIP to your shortlist to track alongside others you're considering View your shortlist
ZIP Code Tabulation Areas (ZCTAs) are Census Bureau approximations of USPS ZIP codes; figures describe the ZCTA area, not any single address within it.