21524 ZIP Code — Corriganville, MD

Allegany County, Maryland

ZIP code 21524 is located in Corriganville, Maryland, within Allegany County. It covers approximately 3.59 square miles and serves a population of 740 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 240/301.

About ZIP code 21524

The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1970s, giving the area an established character. Median home value is $99,600. Owner-occupancy sits near the national average at 72%.

Median household income is $70,885. Poverty affects 26% of residents, above the national average. SNAP benefit usage at 23% of households reflects economic stress in the area. 48% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is service, with education and healthcare as the leading industry. The average commute of 34 minutes is near the national average.

College attainment at 17% 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 21524 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.

740

population

3.59

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

21524 ZIP code map

Cities in ZIP code 21524

Below are the cities the US Postal Service accepts for ZIP code 21524. Using any city not on this list may result in mail delivery delays.

City	Status
Corriganville	Acceptable

Demographics updated 08/2026

Population
Total population	740
Population density	206 / sq mi
State FIPS	24
County FIPS	001

Geography
Land area	3.59 sq mi
Water area	0.00 sq mi
Latitude	39.7073
Longitude	-78.8019
Timezone	Eastern (ET)
Area code	240/301

Total population by age

Gender

Race & ethnicity

Economics updated 08/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	50.6%	49.9%	28.2%
$50k – $100k	35.1%	33.2%	28.2%
$100k – $200k	14.3%	14.9%	30.1%
Over $200k	0.0%	2.0%	13.4%

Demographics & statistics

740

Population

206

People per sq mi

38.9

Median age

$70,885

Median household income

$26,036

Per capita income

$99,600

Median home value

$1,051

Median monthly rent

71.7%

Home ownership

25.9%

Poverty rate

0.0%

Unemployment

220

Housing units

16.6%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

10–14

15–19

20–24

25–34

35–44

45–54

55–59

60–64

65–74

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	186	25.1%
18 and over	554	74.9%
65 and over	184	24.9%
Median age	38.9 years

Race & ethnicity

White 92.6%

Two or more races 7.4%

Group	Count	%
White	685	92.6%
Two or more races	55	7.4%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	50.6%	49.9%	28.2%
$50k – $100k	35.1%	33.2%	28.2%
$100k – $200k	14.3%	14.9%	30.1%
Over $200k	0.0%	2.0%	13.4%

$15k–$25k 16.8%

$25k–$35k 6.1%

$35k–$50k 21.1%

$50k–$75k 11.5%

$75k–$100k 33.0%

$150k–$200k 8.6%

$200k+ 2.9%

Range	% of households
$15k–$25k	16.8%
$25k–$35k	6.1%
$35k–$50k	21.1%
$50k–$75k	11.5%
$75k–$100k	33.0%
$150k–$200k	8.6%
$200k+	2.9%
Median income	$70,885

Housing

Home values

Under $50k 7.0%

$50k–$100k 43.5%

$100k–$150k 14.0%

$150k–$200k 15.0%

$200k–$300k 18.0%

$300k–$500k 2.5%

Housing overview

Metric	Value
Median home value	$99,600
Median rent / month	$1,051
Owner occupied	71.7%
Renter occupied	28.3%
Vacant	6.7%
Single-family detached	77.9%
Large apartment buildings	2.0%
Mobile homes	8.7%
Median rooms	5.5
Avg household size (owned)	2.96

Year built

Era	%
2020 or later	0.0%
2010–2019	0.0%
2000–2009	11.4%
1990–1999	2.3%
1980–1989	9.7%
1970–1979	25.8%
1960–1969	21.1%
1950–1959	8.7%
1940–1949	3.7%
1939 or earlier	17.4%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	6.4%
2 bedrooms	7.7%
3 bedrooms	72.6%
4 bedrooms	13.4%
5+ bedrooms	0.0%

Vehicles per household

Vehicles	% of households
No vehicle	7.9%
1 vehicle	9.0%
2 vehicles	55.6%
3 or more	27.6%

Heating fuel

Fuel type	%
Utility gas	45.2%
Electricity	21.9%
Propane / LP gas	5.7%
Fuel oil	20.4%

Households & families

Household type	Count	%
Married-couple family	133	47.7%
Cohabiting couple	55	19.7%
Male householder, no spouse	18	6.5%
Female householder, no spouse	73	26.2%
Households with children under 18	112	40.1%
Households with seniors (65+)	130	46.6%
Average household size	2.65

Marital status

Status	Male	Female
Never married	24.8%	25.3%
Married	64.6%	44.2%
Separated	0.0%	0.0%
Widowed	2.2%	16.2%
Divorced	8.4%	14.3%

Education

Less than 9th grade 0.0%

Some HS, no diploma 3.4%

HS graduate 40.1%

Some college, no degree 31.7%

Associate's degree 8.2%

Bachelor's degree 10.9%

Graduate / professional 5.7%

Metric	%
HS diploma or higher	96.6%
Bachelor's or higher	16.6%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	0	0.0%
Kindergarten	15	20.3%
Elementary school	47	63.5%
High school	5	6.8%
College / grad school	7	9.5%

Employment

Industry of employment

Education & healthcare 34.8%

Manufacturing 25.4%

Arts, food & hospitality 12.9%

Retail trade 11.1%

Finance & real estate 3.9%

Transportation & utilities 3.6%

Wholesale trade 2.9%

Other services 2.9%

Public administration 2.5%

Occupation

Category	%
Management, business & arts	20.4%
Service	31.9%
Sales & office	10.0%
Natural resources & construction	6.5%
Production & transportation	31.2%

Employment type

Type	%
Private sector	97.5%
Government	2.5%
Self-employed	0.0%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	83.5%
Carpool	12.2%
Public transit	0.0%
Walk	0.0%
Work from home	4.3%
Other means	0.0%
Avg commute (minutes)	33.8

Poverty

All people 25.9%

Under 18 years 40.3%

18 and over 21.1%

Married-couple families 15.0%

Female-led households 26.1%

Income support

Source	% of households
Social Security	48.4%
Retirement income	26.5%
Supplemental Security	0.0%
Cash public assistance	14.7%
Food stamps / SNAP	23.3%

Health indicators

Condition	%
Obesity	35.7%
High blood pressure	42.8%
High cholesterol	34.4%
Diabetes	13.2%
Heart disease	8.8%
Stroke	4.4%
Asthma	11.0%
Arthritis	34.3%
Kidney disease	3.8%
Pulmonary disease	10.4%
Cancer	8.2%

Behavior / access	%
Smoking	21.5%
Binge drinking	13.4%
No physical activity	29.5%
Less than 7 hrs sleep	34.0%
Depression	24.6%
Fair or poor health	19.1%
Poor mental health	16.1%
Poor physical health	12.9%
No health insurance	11.5%
Visited doctor (checkup)	78.4%
Visited dentist	56.3%
Cholesterol screening	90.9%
Teeth loss	17.6%

Veterans & disability

Veterans	Count	%
Civilian veterans	42	7.6%

Disability	%
Any disability	15.8%
Under 18	3.8%
18–64 years	14.6%
65 and over	30.4%

Health insurance coverage

Type	%
Private insurance	58.5%
Public insurance	64.2%
No insurance	6.5%
Uninsured under 19	0.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	616	83.2%
Spanish	0	0.0%
Other Indo-European	0	0.0%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	732	98.9%
Born in same state	732	98.9%
Born in different state	610	82.4%
Foreign born	0	0.0%
Naturalized citizen	8	1.1%
Not a US citizen	0	0.0%

Ancestry

Ancestry	Count	%
Italian	87	11.8%
Arab	42	5.7%

Ancestry	Count	%
French	29	3.9%
English	6	0.8%

Technology access

Metric	% of households
Computer access	37.7%
Internet access	81.0%

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

Frequently asked questions about ZIP code 21524

What city is ZIP code 21524 in?

ZIP code 21524 is primarily assigned to Corriganville, Maryland.

What county is ZIP code 21524 in?

ZIP code 21524 falls within Allegany County, Maryland.

What is the poverty rate in ZIP code 21524?

26% of residents in ZIP code 21524 live below the poverty line, above the national average.

Does ZIP code 21524 have a large retiree population?

48% of households in ZIP code 21524 receive Social Security income, suggesting a significant retiree or disability population.

What is the typical home value in ZIP code 21524?

The median home value in ZIP code 21524 is $99,600.

What is the population of ZIP code 21524?

ZIP code 21524 has an estimated population of 740 residents, with a density of 206 people per square mile.

What timezone is ZIP code 21524 in?

ZIP code 21524 observes the EST timezone.