Nanticoke, MD · standard
ZIP Code 21840
Wicomico County, Maryland - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 375
- 28/sq mi Moderate-density area
- $9,999
- Median home value Below-median home value
- 17.6%
- Bachelor's or higher Below-average bachelor's attainment
National ZIP placement
Nanticoke pairs among the most affordable home values nationally, in a rural, homeowner-dominated area.
- Lowest
- home value, US ZIPs
- 28
- people per sq mi
- 68%
- owner-occupied homes
Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 21840 against every reporting US ZIP.
ZIP code 21840 is a sparsely populated ZIP (a standard USPS delivery area) in Nanticoke, Wicomico County, Maryland, home to just 375 residents across 13.5 square miles, a density of 28 people per square mile, in the New York time zone.
Median household income is not on file for ZIP 21840, but per-capita income is $64,382. Unemployment is 19.8%, an important qualifier alongside the household-income figure. Home values sit below the statewide ZIP benchmark: the median is $9,999 (98% below the average Maryland ZIP); owner occupancy is 68.2%.
Educational attainment sits below the national norm: 17.6% of adults hold a bachelor's degree or higher, the median age is 41.9, and the average commute is -. The page also surfaces 5 ZIP codes within roughly 10 miles and 6 more in Wicomico County, so 21840 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 →
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 21840, Nanticoke, 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
375
Population
13.5
Area (sq mi)
28
People / sq mi
New York
Time Zone
standard
ZIP Type
Who lives in ZIP 21840?
41.9
Median Age
46.7%
Male
53.3%
Female
0.0%
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?
$64,382
Per Capita Income
0.0%
Poverty Rate
19.8%
Unemployment Rate
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
328housing units
328
Total Housing Units
179
Occupied Units
149
Vacant Units
3.22
Avg Household Size
Occupancy Type
$9,999
Median Home Value
-98% vs state ZIP avg
1964
Median Year Built
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What businesses operate in this ZIP?
Census Bureau data shows 4 business establishments in ZIP 21840, employing approximately 6 people with a combined annual payroll of $347,000.
4
Businesses
6
Employees
$347K
Annual Payroll
0
Industry Sectors
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 21840 vs 21814 →
ZIP 21840 vs its nearest neighbors, by population
Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 21856
Quantico (21856)
1,035 residents
- 21821
Deal Island (21821)
991 residents
- 21865
Tyaskin (21865)
470 residents
- 21814 380
Bivalve (21814)
380 residents
- 21840 375
Nanticoke (21840)
375 residents
- 21867 114
Upper Fairmount (21867)
114 residents
What this shows Among its immediate neighbors, ZIP 21840 ranks #5 by population - useful context the national average alone can't give.
More ZIP Codes in Wicomico County
Related Areas
Frequently Asked Questions
What county is ZIP code 21840 in?
ZIP code 21840 (Nanticoke) is located in Wicomico County, Maryland. Wicomico County contains multiple ZIP codes, see the full list at /counties/wicomico-md.
What is the population of ZIP code 21840?
ZIP code 21840 in Nanticoke, MD has a population of 375 according to the Census Bureau ACS 2023 estimates.
What is the average home value in ZIP 21840?
The median home value in ZIP 21840 is $9,999, which is 96% below the national average of $278,155.
What is the demographic makeup of ZIP 21840?
The largest racial group in ZIP 21840 is White at 69.3%.
How many businesses are in ZIP code 21840?
ZIP code 21840 has 4 business establishments employing approximately 6 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What is the education level in ZIP code 21840?
In ZIP code 21840, 72.7% of residents aged 25+ have a high school diploma or higher, and 17.6% 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 21840?
In ZIP code 21840, approximately 68.2% of occupied housing units are owner-occupied and 31.8% are renter-occupied, based on Census ACS 2023 data.
Related
Take this with you
What to do with ZIP 21840's numbers, next.
- See how ZIP 21840 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where Nanticoke, 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.