US ZIP Code
21530

Flintstone, MD

Allegany County  ·  Maryland

● Active
👥 1,481 Population ↓ 20% since 2019
💰 $63,904 Median HH Income
▼ 16% below avg ↑ 45% since 2019
🎂 54.2 Median Age ↑ 26% since 2019
🏠 $194,100 Median Home Value
▼ 30% below avg ↑ 18% since 2019
🎓 39.3% College Grads
≈ Avg
📊 2.7% Unemployment
▼ 45% below avg ↓ 21% since 2019
ZIP Code Details
ZIP Code21530
CityFlintstone
StateMaryland (MD)
CountyAllegany County
Area Code227/240
Elevation1,113 ft
Latitude39.67964
Longitude-78.546122
TimezoneNew York (DST)
FIPS24001
ZIP TypeStandard
StatusActive
People & Population (ACS 2023)
♂ Male 52.7% (781) Female 47.3% (700) ♀

Race & Ethnicity

White: 97.2%Hispanic: 1.3%Black: 0.7%Other: 0.8%Race
White97.2%
Hispanic1.3%
Black0.7%
Other0.8%

Age Breakdown

Under 5
5%
5–17
14%
18–24
4%
25–44
19%
45–64
32%
65+
20%

Key Indicators

Median Age54.2 yrs ↑ 26% since 2019
Avg Household Size2.18
Below Poverty6.5% ▼ 35% below avg
College Grads39.3% ≈ Avg
Unemployment2.7% ▼ 45% below avg
No HS Diploma34 (3.1%)
HS Graduate409 (37.8%)
Some College140 (12.9%)
Associates74 (6.8%)
Bachelors168 (15.5%)
Graduate Degree258 (23.8%)

Education

No HS: 3.1%HS Grad: 37.8%Some College: 12.9%Associates: 6.8%Bachelors: 15.5%Graduate: 23.8%Edu
No HS3.1%
HS Grad37.8%
Some College12.9%
Associates6.8%
Bachelors15.5%
Graduate23.8%
Housing & Income

Housing Tenure

Owner: 81.2%Renter: 18.8%Tenure
Owner81.2%
Renter18.8%

Home Value Distribution

Under $50k
14%
$50k–100k
12%
$100k–150k
11%
$150k–200k
17%
$200k–300k
23%
$300k–500k
13%
Over $500k
10%

Financials

Median HH Income$63,904 ▼ 16% below avg ↑ 45% since 2019
Median Home Value$194,100 ▼ 30% below avg ↑ 18% since 2019
Home/Income Ratio3.0x (nat avg ~3.5x)
Median Rent$880/mo ↓ 23% since 2019
Total Units896
Vacant Units221
Avg HH Size2.18

Income Distribution

Under $25k
18%
$25k–50k
16%
$50k–75k
29%
$75k–100k
9%
$100k–150k
23%
$150k–200k
2%
Over $200k
4%
Employment & Commute

How People Get to Work

Drove Alone
72%
Public Transit
6%
Walked
2%
Work From Home
20%

Commute Time

Under 15 min
15%
15–30 min
49%
30–45 min
25%
Over 45 min
11%
Housing Stock

Year Built

Before 1940
5%
1940s–1950s
11%
1960s–1970s
17%
1980s–1990s
8%
2000+
59%

Summary

Total Units896
Vacant221
Owner Occupied81.2%
Renter Occupied18.8%
Avg HH Size2.18
Frequently Asked Questions
ZIP code 21530 is in Flintstone, MD, in Allegany County.
ZIP code 21530 is located in Maryland (MD).
ZIP code 21530 is in Allegany County, MD.
ZIP 21530 observes the New York timezone. Daylight Saving Time is observed.
The estimated population of ZIP code 21530 is 1,481 people (ACS 2023).
The median household income in ZIP code 21530 is $63,904 (ACS 2023).
The median home value in ZIP 21530 is $194,100 (ACS 2023).
About ZIP Code 21530

ZIP code 21530 is located in Flintstone, Maryland, within Allegany County. With a population of 1,481, this is a sparsely populated ZIP code with a mature community — the median age is 54.2 years. Economically, 21530 is a solidly middle-class ZIP code: the median household income of $63,904 is below the national average.

Real estate in ZIP code 21530 represents an affordable housing market. The median home value of $194,100 is below the national average. Renters can expect to pay around $880 per month in median rent. Homeownership is strong here — 81.2% of occupied units are owner-occupied, suggesting an established, stable residential community. Median home values have increased by 18% since 2019.

The population of 21530 is primarily White (97.16%). Residents are moderately educated — 39.3% hold a bachelor's degree or higher, which is near the national average. Poverty affects a relatively small share of residents at 6.5%. Household income has grown by 45% since 2019.

The unemployment rate in 21530 stands at 2.7%, which is below the national average. About 19% of workers are remote. As in most parts of the country, driving alone is the dominant commute mode at 68%.

Overall, ZIP code 21530 in Flintstone, MD is characterized as solidly middle-class, moderately educated, a mature community, and predominantly owner-occupied. With 1,481 residents, a median household income of $63,904, and a median home value of $194,100, it offers a clear picture of life in this part of Maryland.