PlainZIP

ZIP Code 21780

standard

Source:

Sabillasville · Frederick County · Maryland

Population
1,625

28/sq mi

Median income
$83,785

▲ 10% vs US

higher than 67% of US ZIPs

Median home value
$451,600

▲ 62% vs US

higher than 84% of US ZIPs

Bachelor's or higher
24.7%

Median age 41.5

Land area
58.2 sq mi

New York

ZIP code 21780 in Sabillasville, Maryland has a population of 1,625. The median household income is $83,785, which is 10% above the national average. Median home value is $451,600, 62% above the US average. 24.7% of residents hold a bachelor's degree or higher.

ZIP code 21780 is classified by USPS as a standard delivery area and covers roughly 58.2 square miles in Sabillasville, Frederick County, Maryland. The area is home to 1,625 residents, producing a population density of 28 people per square mile, and falls within the New York time zone. These USPS and Census boundary values drive every downstream statistic on this page, including the benchmarks that compare 21780 against Maryland and the nation.

On the economic side, the median household income for ZIP 21780 sits at $83,785 (27% below the Maryland average), while per-capita income is $38,433. The poverty rate stands at 5.4% and the unemployment rate at 0.0%. On housing, the median home value is $451,600 (1% above the state average) with median rent at $1,374 per month, and 73.0% of occupied units are owner-occupied, a direct signal of whether 21780 behaves more like a homeowner neighborhood or a renter-heavy ZIP.

Education and household profile round out the picture: 24.7% of adults hold a bachelor's degree or higher, the median age is 41.5, and the average commute is —. We also surface 10 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing Frederick County, so you can benchmark 21780 against its immediate geography rather than a national average alone. Every figure is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates, HUD Fair Market Rents, and FHFA Home Price Index data, no estimates, no proprietary scoring. Verify with HUD →

Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + HUD FMR + FHFA HPI ACS demographics, ZBP business establishments, HUD Fair Market Rents, FHFA HPI for ZIP 21780, Sabillasville, MD · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; HUD FMR + FHFA HPI updated quarterly/annually.

Quick Facts

1,625

Population

58.2

Area (sq mi)

28

People / sq mi

New York

Time Zone

standard

ZIP Type

Neighborhood Scorecard
Get an A-F grade across income, safety, housing, rent, education, commute, and childcare for this ZIP code.
View Scorecard →

Who lives in ZIP 21780?

41.5

Median Age

52.1%

Male

47.9%

Female

1.2%

Foreign-Born

White 95.6%
African American 1.0%
Asian 0.3%
American Indian or Alaska Native 0.0%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 2.3%
Hispanic or Latino 2.6%

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?

$83,785

Median Household Income

-27% vs state

$38,433

Per Capita Income

5.4%

Poverty Rate

0.0%

Unemployment Rate

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What is the education profile here?

High School Graduate or Higher 63.7%
Bachelor's Degree or Higher 24.7%

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What does housing look like?

812

Total Housing Units

781

Occupied Units

31

Vacant Units

2.71

Avg Household Size

Occupancy Type

Owner 73.0%
Renter 27.0%

$451,600

Median Home Value

+1% vs state

$1,374

Median Rent

1953

Median Year Built

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How have home values changed over time?

FHFA House Price Index, annual appreciation data based on repeat sales and appraisals

+1.5%

YoY Change (2023)

211

HPI Index (2000 = 100)

+111%

Total Change Since 2000

Home values in ZIP 21780 have increased 1.5% over the past year (2023). Since 2000, this ZIP has seen +111% cumulative appreciation.

Year Annual Change HPI Index
2019 +13.8% 188
2020 -2.6% 183
2021 +6.7% 195
2022 +6.3% 207
2023 +1.5% 211

Source: Federal Housing Finance Agency (FHFA) House Price Index, All-Transactions, Five-Digit ZIP Codes (Developmental Index). Index base = 100 in year 2000. Data through 2023. ZIP codes with few transactions may show missing values.

What businesses operate in this ZIP?

Census Bureau data shows 17 business establishments in ZIP 21780, employing approximately 132 people with a combined annual payroll of $6,392,000.

17

Businesses

132

Employees

$6.4M

Annual Payroll

2

Industry Sectors

Industry Establishments % of Total
Construction 6 35.3%
Other services (except public administration) 3 17.6%

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 21780 vs 21719 →

ZIP Code City Population Distance
21719 Cascade, MD 1,548 2.7 mi
17214 Blue Ridge Summit, PA 1,089 4.9 mi
21783 Smithsburg, MD 9,130 5.1 mi
17250 Rouzerville, PA 68 5.2 mi
21788 Thurmont, MD 11,622 6.3 mi
21727 Emmitsburg, MD 5,850 7.4 mi
17320 Fairfield, PA 7,823 7.6 mi
21778 Rocky Ridge, MD 1,094 8.1 mi
17268 Waynesboro, PA 28,285 8.9 mi
21773 Myersville, MD 5,460 10.6 mi

More ZIP Codes in Frederick County

21702 standard
Frederick, MD
Pop: 38,847
21701 standard
Frederick, MD
Pop: 35,293
21703 standard
Frederick, MD
Pop: 32,854
21771 standard
Mount Airy, MD
Pop: 29,563
21704 standard
Frederick, MD
Pop: 13,321
21774 standard
New Market, MD
Pop: 11,662

Related Areas

Frederick County Sabillasville, MD Maryland

Frequently Asked Questions

What county is ZIP code 21780 in? ▼
ZIP code 21780 (Sabillasville) is located in Frederick County, Maryland. Frederick County contains multiple ZIP codes, see the full list at /counties/frederick-md.
What is the population of ZIP code 21780? ▼
ZIP code 21780 in Sabillasville, MD has a population of 1,625 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 21780? ▼
The median household income in ZIP 21780 is $83,785, which is 10% above the national average of $76,288.
What is the average home value in ZIP 21780? ▼
The median home value in ZIP 21780 is $451,600, which is 62% above the national average of $278,155.
What is the demographic makeup of ZIP 21780? ▼
The largest racial group in ZIP 21780 is White at 95.6%. Hispanic or Latino residents make up 2.6% of the population.
How many businesses are in ZIP code 21780? ▼
ZIP code 21780 has 17 business establishments employing approximately 132 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
How have home values changed in ZIP code 21780? ▼
According to the FHFA House Price Index, home values in ZIP 21780 increased by 1.5% in 2023. Since 2000, home values in this ZIP have appreciated by approximately 111%. This is a developmental index based on repeat sales and appraisal data from Fannie Mae and Freddie Mac.
What is the education level in ZIP code 21780? ▼
In ZIP code 21780, 63.7% of residents aged 25+ have a high school diploma or higher, and 24.7% 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 21780? ▼
In ZIP code 21780, approximately 73.0% of occupied housing units are owner-occupied and 27.0% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 21780? ▼
The poverty rate in ZIP code 21780 is 5.4% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.

ZIP Code Research Guides

Reading Census Demographics
How to interpret population, income, and education data from the Census Bureau.
Understanding ZIP Code Data
What ZIP codes are, how ZCTAs differ, and what the data reveals.
Best ZIP Codes for Families
Key factors to evaluate when choosing a family-friendly neighborhood.
ZIP Codes for Relocation
Data-driven tips for evaluating ZIP codes before a move.

Official Data Resources for Sabillasville, MD

Verify and explore additional data for this area using these official government sources.

U.S. Census Bureau
Official demographic, economic, and housing data from the American Community Survey.
HUD Fair Market Rents
Department of Housing and Urban Development rental cost estimates by metropolitan area.
FBI Uniform Crime Reports
Official crime statistics compiled from law enforcement agencies nationwide.
FHFA House Price Index
Federal Housing Finance Agency home value trends based on repeat sales and appraisals.

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023). Business data: Source: Census ZIP Code Business Patterns (ZBP) 2023. Home value trends: Source: FHFA House Price Index (HPI), Five-Digit ZIP Codes.

PlainZIP is not affiliated with the U.S. Census Bureau or any government agency.

Read our methodology , how this data is sourced, computed, and verified.