Delmar ZIP Codes — Wicomico County, MD

There is one unique ZIP code in Delmar, Maryland and it is 21875. Area code: 443/410.
1
ZIP codes
24.37
sq mi land
0.12
sq mi water
443/410
area code
Delmar, MD ZIP code map
ZIP codes for Delmar, MD (1)
ZIP code City County Map
21875 Delmar Wicomico View map

Demographics & statistics

7,446
Population
38.9
Median age
$69,362
Median household income
$35,254
Per capita income
$214,600
Median home value
$1,274
Median monthly rent
67.9%
Home ownership
10.4%
Poverty rate
8.1%
Unemployment
2,325
Housing units
26.0%
Bachelor's or higher

Age distribution

Male Female
206
Under 5
221
179
5–9
192
184
10–14
198
361
15–19
387
231
20–24
247
445
25–34
477
469
35–44
502
411
45–54
441
301
55–59
322
288
60–64
309
301
65–74
322
199
75–84
213
19
85+
21
← Male
Female →

Age summary

GroupCount%
Under 181,72223.1%
18 and over5,72476.9%
65 and over1,07514.4%
Median age38.9 years

Race & ethnicity

White 60.4%
Black or African American 12.6%
Hispanic or Latino 8.5%
Two or more races 7.5%
Other race 7.4%
Asian 3.6%
American Indian / Alaska Native 0.1%
GroupCount%
White4,90960.4%
Black or African American1,02612.6%
Hispanic or Latino6888.5%
Two or more races6087.5%
Other race6007.4%
Asian2943.6%
American Indian / Alaska Native90.1%

Household income

Under $10k 1.6%
$10k–$15k 6.2%
$15k–$25k 5.2%
$25k–$35k 9.4%
$35k–$50k 8.6%
$50k–$75k 24.8%
$75k–$100k 20.4%
$100k–$150k 15.0%
$150k–$200k 5.3%
$200k+ 3.4%
Range% of households
Under $10k1.6%
$10k–$15k6.2%
$15k–$25k5.2%
$25k–$35k9.4%
$35k–$50k8.6%
$50k–$75k24.8%
$75k–$100k20.4%
$100k–$150k15.0%
$150k–$200k5.3%
$200k+3.4%
Median income$69,362

Housing

Home values

Under $50k 4.7%
$50k–$100k 3.4%
$100k–$150k 9.6%
$150k–$200k 28.5%
$200k–$300k 30.3%
$300k–$500k 18.8%
$500k–$1M 4.7%

Housing overview

MetricValue
Median home value$214,600
Median rent / month$1,274
Owner occupied67.9%
Renter occupied32.1%
Vacant6.4%
Single-family detached66.0%
Large apartment buildings8.6%
Mobile homes5.8%
Median rooms5.8
Avg household size (owned)2.53

Year built

Era%
2020 or later0.0%
2010–201913.1%
2000–200921.5%
1990–19996.3%
1980–198915.3%
1970–197917.3%
1960–19693.3%
1950–19598.9%
1940–19493.6%
1939 or earlier10.8%

Bedrooms

Size% of units
No bedroom (studio)0.3%
1 bedroom8.5%
2 bedrooms26.0%
3 bedrooms53.0%
4 bedrooms10.4%
5+ bedrooms1.8%

Vehicles per household

Vehicles% of households
No vehicle3.9%
1 vehicle35.2%
2 vehicles33.0%
3 or more27.9%

Heating fuel

Fuel type%
Utility gas19.7%
Electricity66.9%
Propane / LP gas7.7%
Fuel oil4.4%
Wood0.8%
Solar0.5%

Households & families

Household typeCount%
Married-couple family1,44546.5%
Cohabiting couple1936.2%
Male householder, no spouse42813.8%
Female householder, no spouse1,04333.5%
Households with children under 1891329.4%
Households with seniors (65+)82426.5%
Average household size2.39

Marital status

StatusMaleFemale
Never married38.4%30.9%
Married48.9%44.0%
Separated0.5%2.7%
Widowed1.4%5.1%
Divorced10.7%17.2%

Education

Less than 9th grade 3.2%
Some HS, no diploma 10.5%
HS graduate 28.6%
Some college, no degree 22.9%
Associate's degree 8.7%
Bachelor's degree 18.2%
Graduate / professional 7.9%
Metric%
HS diploma or higher86.3%
Bachelor's or higher26.0%

School enrollment (ages 3–17)

TypeCount%
Nursery / preschool673.4%
Kindergarten864.3%
Elementary school60730.6%
High school58629.6%
College / grad school63532.1%

Employment

Industry of employment

Education & healthcare 32.0%
Retail trade 14.7%
Manufacturing 11.1%
Transportation & utilities 7.1%
Construction 6.8%
Arts, food & hospitality 5.9%
Public administration 5.7%
Professional & management 5.2%
Information 5.1%
Other services 4.4%
Finance & real estate 2.1%

Occupation

Category%
Management, business & arts32.6%
Service18.7%
Sales & office24.1%
Natural resources & construction7.4%
Production & transportation17.2%

Employment type

Type%
Private sector76.0%
Government17.4%
Self-employed6.6%
Unpaid family workers0.0%

Commute

Method%
Drive alone90.9%
Carpool3.6%
Public transit0.0%
Walk1.2%
Other means0.2%
Avg commute (minutes)22.8

Poverty

All people 10.4%
Under 18 years 19.4%
18 and over 7.6%
Married-couple families 2.6%
Female-led households 27.2%

Income support

Source% of households
Social Security30.4%
Retirement income22.6%
Supplemental Security5.5%
Cash public assistance1.1%
Food stamps / SNAP15.2%

Health indicators

Condition%
High blood pressure36.0%
High cholesterol34.1%
Heart disease5.9%
Stroke3.1%
Asthma10.9%
Arthritis25.2%
Kidney disease2.8%
Pulmonary disease7.2%
Cancer5.8%
Behavior / access%
Binge drinking16.4%
No physical activity23.1%
Less than 7 hrs sleep34.5%
Fair or poor health14.6%
Poor mental health15.9%
Poor physical health9.9%
No health insurance12.2%
Visited doctor (checkup)76.7%
Visited dentist55.7%
Cholesterol screening90.1%
Teeth loss14.8%

Veterans & disability

VeteransCount%
Civilian veterans4147.2%
Disability%
Any disability15.8%
Under 1812.0%
18–64 years11.7%
65 and over39.6%

Health insurance coverage

Type%
Private insurance65.1%
Public insurance45.4%
Uninsured under 191.4%

Language & origin

Language spoken at home (age 5+)

LanguageCount%
English only7,01994.3%
Spanish2794.0%
Other Indo-European2083.0%
Asian & Pacific Islander200.3%
Other languages510.7%

Place of birth & citizenship

OriginCount%
Native born (US)6,83291.8%
Born in same state6,80291.4%
Born in different state4,64162.3%
Foreign born300.4%
Naturalized citizen6148.2%
Not a US citizen25942.2%

Ancestry

AncestryCount%
French96813%
Italian6478.7%
Arab5978%
AncestryCount%
Irish711%
English260.3%
Dutch60.1%

Technology access

Metric% of households
Computer access41.8%
Internet access95.1%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Need the complete Maryland ZIP code database? Download all MD ZIP codes — Excel, CSV, or Access. Includes lat/lng, county FIPS & timezone.
Download database →