21817 ZIP Code — Crisfield, MD

Somerset County, Maryland

ZIP code 21817 is located in Crisfield, Maryland, within Somerset County. It covers approximately 14.46 square miles and serves a population of 4,138 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 410/667/443.

About ZIP code 21817

The housing stock consists of a mix of housing types. Most homes were built in the pre-1940, giving the area an established character. Median home value is $144,000. Owner-occupancy sits near the national average at 66%.

Median household income is $46,875. Poverty affects 19% of residents, above the national average. SNAP benefit usage at 31% of households reflects economic stress in the area. 45% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 26 minutes is near the national average.

College attainment at 20% is below the national average, consistent with a trades and production-oriented local economy.

Health indicators show elevated rates of smoking (22%) compared to national benchmarks.

Overall, ZIP code 21817 reflects a community defined by a trades-oriented workforce, economic challenges above the national average, a significant Social Security-dependent population, and elevated reliance on food assistance.

4,138

population

14.46

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

21817 ZIP code map

Cities in ZIP code 21817

Below are the cities the US Postal Service accepts for ZIP code 21817. Using any city not on this list may result in mail delivery delays.

City	Status
Crisfield	Preferred

Nearby ZIP codes

21838 Marion Station (7.5 mi) 21890 Westover (8 mi) 21824 Ewell (8.9 mi) 23426 Sanford (9.6 mi) 21871 Westover (10.3 mi) 21821 Deal Island (13.1 mi) 23488 Withams (13.4 mi) 23416 Oak Hall (14.2 mi) 23396 Oak Hall (15.2 mi) 23359 Hallwood (15.6 mi) 23442 Temperanceville (16.8 mi) 21853 Princess Anne (17.1 mi)

Demographics updated 05/2026

Population
Total population	4,138
Population density	286 / sq mi
State FIPS	24
County FIPS	039

Geography
Land area	14.46 sq mi
Water area	3.54 sq mi
Latitude	37.9754
Longitude	-75.8496
Timezone	Eastern (ET)
Area code	410/667/443

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	58.2%	52.7%	28.2%
$50k – $100k	32.9%	31.5%	28.2%
$100k – $200k	8.5%	14.6%	30.1%
Over $200k	0.4%	1.2%	13.4%

Demographics & statistics

4,138

Population

286

People per sq mi

42.7

Median age

$46,875

Median household income

$29,508

Per capita income

$144,000

Median home value

$594

Median monthly rent

65.8%

Home ownership

18.8%

Poverty rate

9.5%

Unemployment

1,846

Housing units

19.5%

Bachelor's or higher

Age distribution

Male Female

107

Under 5

136

5–9

115

118

10–14

149

15–19

20–24

123

246

25–34

312

202

35–44

256

202

45–54

256

55–59

125

138

60–64

174

303

65–74

382

107

75–84

136

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	850	20.5%
18 and over	3,288	79.5%
65 and over	1,027	24.8%
Median age	42.7 years

Race & ethnicity

White 70.6%

Black or African American 21.6%

Two or more races 3.6%

Hispanic or Latino 1.7%

Other race 1.6%

Asian 0.9%

Group	Count	%
White	2,972	70.6%
Black or African American	909	21.6%
Two or more races	153	3.6%
Hispanic or Latino	72	1.7%
Other race	67	1.6%
Asian	36	0.9%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	58.2%	52.7%	28.2%
$50k – $100k	32.9%	31.5%	28.2%
$100k – $200k	8.5%	14.6%	30.1%
Over $200k	0.4%	1.2%	13.4%

Under $10k 5.1%

$10k–$15k 9.3%

$15k–$25k 10.8%

$25k–$35k 12.0%

$35k–$50k 14.3%

$50k–$75k 24.3%

$75k–$100k 9.8%

$100k–$150k 7.2%

$150k–$200k 3.4%

$200k+ 3.7%

Range	% of households
Under $10k	5.1%
$10k–$15k	9.3%
$15k–$25k	10.8%
$25k–$35k	12.0%
$35k–$50k	14.3%
$50k–$75k	24.3%
$75k–$100k	9.8%
$100k–$150k	7.2%
$150k–$200k	3.4%
$200k+	3.7%
Median income	$46,875

Housing

Home values

Under $50k 4.0%

$50k–$100k 26.6%

$100k–$150k 21.5%

$150k–$200k 15.1%

$200k–$300k 23.4%

$300k–$500k 6.0%

$500k–$1M 2.3%

$1M+ 1.1%

Housing overview

Metric	Value
Median home value	$144,000
Median rent / month	$594
Owner occupied	65.8%
Renter occupied	34.2%
Vacant	24.8%
Single-family detached	68.1%
Large apartment buildings	2.3%
Mobile homes	5.6%
Median rooms	5.3
Avg household size (owned)	2.29

Year built

Era	%
2020 or later	0.0%
2010–2019	3.9%
2000–2009	14.7%
1990–1999	12.0%
1980–1989	12.4%
1970–1979	10.3%
1960–1969	10.8%
1950–1959	6.2%
1940–1949	5.3%
1939 or earlier	24.4%

Bedrooms

Size	% of units
No bedroom (studio)	0.6%
1 bedroom	11.9%
2 bedrooms	31.4%
3 bedrooms	41.8%
4 bedrooms	11.8%
5+ bedrooms	2.5%

Vehicles per household

Vehicles	% of households
No vehicle	11.5%
1 vehicle	42.0%
2 vehicles	29.4%
3 or more	17.2%

Heating fuel

Fuel type	%
Utility gas	4.8%
Electricity	60.5%
Propane / LP gas	13.0%
Fuel oil	13.8%
Wood	6.4%
Solar	0.3%
No fuel used	0.2%

Households & families

Household type	Count	%
Married-couple family	615	32.9%
Cohabiting couple	119	6.4%
Male householder, no spouse	398	21.3%
Female householder, no spouse	735	39.4%
Households with children under 18	514	27.5%
Households with seniors (65+)	822	44.0%
Average household size	2.17

Marital status

Status	Male	Female
Never married	30.2%	35.1%
Married	44.4%	34.5%
Separated	2.9%	1.4%
Widowed	3.8%	13.9%
Divorced	18.7%	15.1%

Education

Less than 9th grade 2.4%

Some HS, no diploma 8.0%

HS graduate 40.6%

Some college, no degree 23.6%

Associate's degree 5.9%

Bachelor's degree 12.5%

Graduate / professional 7.0%

Metric	%
HS diploma or higher	89.6%
Bachelor's or higher	19.5%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	104	12.1%
Kindergarten	5	0.6%
Elementary school	465	54.0%
High school	158	18.4%
College / grad school	129	15.0%

Employment

Industry of employment

Education & healthcare 28.0%

Retail trade 20.6%

Professional & management 7.8%

Manufacturing 7.3%

Public administration 7.1%

Construction 6.7%

Arts, food & hospitality 6.7%

Transportation & utilities 6.4%

Other services 4.2%

Agriculture & mining 2.2%

Wholesale trade 2.0%

Finance & real estate 0.6%

Information 0.4%

Occupation

Category	%
Management, business & arts	32.2%
Service	19.5%
Sales & office	17.6%
Natural resources & construction	9.6%
Production & transportation	21.0%

Employment type

Type	%
Private sector	73.1%
Government	20.1%
Self-employed	6.8%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	79.1%
Carpool	9.7%
Public transit	0.0%
Walk	2.5%
Work from home	7.4%
Other means	1.3%
Avg commute (minutes)	26.1

Poverty

All people 18.8%

Under 18 years 27.9%

18 and over 16.4%

Married-couple families 9.1%

Female-led households 24.9%

Income support

Source	% of households
Social Security	44.9%
Retirement income	27.6%
Supplemental Security	7.8%
Cash public assistance	2.1%
Food stamps / SNAP	30.7%

Health indicators

Condition	%
Obesity	37.9%
High blood pressure	45.6%
High cholesterol	40.0%
Diabetes	14.9%
Heart disease	9.1%
Stroke	4.8%
Asthma	11.3%
Arthritis	34.2%
Kidney disease	4.2%
Pulmonary disease	10.4%
Cancer	8.1%

Behavior / access	%
Smoking	21.9%
Binge drinking	12.6%
No physical activity	32.8%
Less than 7 hrs sleep	34.7%
Depression	21.1%
Fair or poor health	20.0%
Poor mental health	15.7%
Poor physical health	13.0%
No health insurance	13.8%
Visited doctor (checkup)	79.7%
Visited dentist	51.4%
Cholesterol screening	91.2%
Teeth loss	18.8%

Veterans & disability

Veterans	Count	%
Civilian veterans	248	7.5%

Disability	%
Any disability	20.9%
Under 18	6.9%
18–64 years	15.8%
65 and over	45.3%

Health insurance coverage

Type	%
Private insurance	51.1%
Public insurance	58.4%
No insurance	6.2%
Uninsured under 19	0.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	3,895	94.1%
Spanish	28	0.7%
Other Indo-European	21	0.5%
Asian & Pacific Islander	0	0.0%
Other languages	7	0.2%

Place of birth & citizenship

Origin	Count	%
Native born (US)	4,082	98.6%
Born in same state	4,064	98.2%
Born in different state	2,968	71.7%
Foreign born	18	0.4%
Naturalized citizen	56	1.4%
Not a US citizen	34	60.7%

Ancestry

Ancestry	Count	%
Arab	1,291	31.2%
French	421	10.2%
Italian	311	7.5%

Ancestry	Count	%
Polish	64	1.5%
Irish	18	0.4%
English	7	0.2%

Technology access

Metric	% of households
Computer access	45.1%
Internet access	86.6%

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

Frequently asked questions about ZIP code 21817

What city is ZIP code 21817 in?

ZIP code 21817 is primarily assigned to Crisfield, Maryland.

What county is ZIP code 21817 in?

ZIP code 21817 falls within Somerset County, Maryland.

Does ZIP code 21817 have a large retiree population?

45% of households in ZIP code 21817 receive Social Security income, suggesting a significant retiree or disability population.

What is the poverty rate in ZIP code 21817?

19% of residents in ZIP code 21817 live below the poverty line, above the national average.

What is the typical home value in ZIP code 21817?

The median home value in ZIP code 21817 is $144,000.

What is the median household income in ZIP code 21817?

The median household income in ZIP code 21817 is $46,875, below the national median of ~$75,000.

What timezone is ZIP code 21817 in?

ZIP code 21817 observes the EST timezone.