Rohrersville, MD · standard
ZIP Code 21779
Washington County, Maryland - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 983
- 42/sq mi Moderate-density area
- $608,800
- Median home value Above-median home value
- 37.3%
- Bachelor's or higher Above-average bachelor's attainment
National ZIP placement
Rohrersville pairs top-decile home values, in a rural, homeowner-dominated area.
- Top 9%
- home value, US ZIPs
- 42
- people per sq mi
- 66%
- owner-occupied homes
Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 21779 against every reporting US ZIP.
ZIP code 21779 is a sparsely populated ZIP (a standard USPS delivery area) in Rohrersville, Washington County, Maryland, home to just 983 residents across 23.2 square miles, a density of 42 people per square mile, in the New York time zone.
Median household income is not on file for ZIP 21779, but per-capita income is $45,063. The poverty rate is 14.3%, with unemployment at 0.0%; those measures add context to the income figure. Housing is both higher-cost and owner-heavy: median home value is $608,800 (36% above the average Maryland ZIP), while 66.2% of occupied homes are owner-occupied and median rent is $1,133.
A solid share of residents have a four-year degree: 37.3% of adults hold a bachelor's degree or higher, the median age is 41.8, and the average commute is -. The page also surfaces 10 ZIP codes within roughly 10 miles and 6 more in Washington County, so 21779 can be compared with both its immediate and county-level context.
Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →
Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, FHFA HPI for ZIP 21779, Rohrersville, MD · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; FHFA HPI updated quarterly/annually.
Quick Facts
983
Population
23.2
Area (sq mi)
42
People / sq mi
New York
Time Zone
standard
ZIP Type
Who lives in ZIP 21779?
41.8
Median Age
36.7%
Male
63.3%
Female
1.3%
Foreign-Born
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?
$45,063
Per Capita Income
14.3%
Poverty Rate
0.0%
Unemployment Rate
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What is the education profile here?
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What does housing look like?
Housing stock: occupied vs vacant
486housing units
486
Total Housing Units
462
Occupied Units
24
Vacant Units
2.84
Avg Household Size
Occupancy Type
$608,800
Median Home Value
+36% vs state ZIP avg
$1,133
Median Rent
1984
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
+12.2%
YoY Change (2023)
261
HPI Index (2000 = 100)
+161%
Total Change Since 2000
Home values in ZIP 21779 have increased 12.2% over the past year (2023). Since 2000, this ZIP has seen +161% cumulative appreciation.
| Year | Annual Change | HPI Index |
|---|---|---|
| 2019 | +4.6% | 181 |
| 2020 | +4.6% | 189 |
| 2021 | +13.9% | 215 |
| 2022 | +8.0% | 233 |
| 2023 | +12.2% | 261 |
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 9 business establishments in ZIP 21779, employing approximately 58 people with a combined annual payroll of $1,354,000.
9
Businesses
58
Employees
$1.4M
Annual Payroll
1
Industry Sectors
| Industry | Establishments | % of Total |
|---|---|---|
| Other services (except public administration) | 3 | 33.3% |
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 21779 vs 21718 →
ZIP 21779 vs its nearest neighbors, by population
Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 21769
Middletown (21769)
11,236 residents
- 21713
Boonsboro (21713)
9,502 residents
- 21755
Jefferson (21755)
5,591 residents
- 21758
Knoxville (21758)
4,921 residents
- 21716
Brunswick (21716)
4,885 residents
- 21782 4,097
Sharpsburg (21782)
4,097 residents
- 21756 3,612
Keedysville (21756)
3,612 residents
- 21746 1,883
Hagerstown (21746)
1,883 residents
- 21779 983
Rohrersville (21779)
983 residents
What this shows Among its immediate neighbors, ZIP 21779 ranks #9 by population - useful context the national average alone can't give.
| ZIP Code | City | Population | Distance |
|---|---|---|---|
| 21718 | Burkittsville, MD | 151 | 2.7 mi |
| 21756 | Keedysville, MD | 3,612 | 3.1 mi |
| 21758 | Knoxville, MD | 4,921 | 5.5 mi |
| 21769 | Middletown, MD | 11,236 | 4.8 mi |
| 21713 | Boonsboro, MD | 9,502 | 6.8 mi |
| 21782 | Sharpsburg, MD | 4,097 | 6.2 mi |
| 21716 | Brunswick, MD | 4,885 | 7.9 mi |
| 21755 | Jefferson, MD | 5,591 | 6.4 mi |
| 21714 | Braddock Heights, MD | 99 | 7.9 mi |
| 21746 | Hagerstown, MD | 1,883 | 10.1 mi |
More ZIP Codes in Washington County
Related Areas
Frequently Asked Questions
What county is ZIP code 21779 in?
ZIP code 21779 (Rohrersville) is located in Washington County, Maryland. Washington County contains multiple ZIP codes, see the full list at /counties/washington-md.
What is the population of ZIP code 21779?
ZIP code 21779 in Rohrersville, MD has a population of 983 according to the Census Bureau ACS 2023 estimates.
What is the average home value in ZIP 21779?
The median home value in ZIP 21779 is $608,800, which is 119% above the national average of $278,155.
What is the demographic makeup of ZIP 21779?
The largest racial group in ZIP 21779 is White at 93.7%. Hispanic or Latino residents make up 1.3% of the population.
How many businesses are in ZIP code 21779?
ZIP code 21779 has 9 business establishments employing approximately 58 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
How have home values changed in ZIP code 21779?
According to the FHFA House Price Index, home values in ZIP 21779 increased by 12.2% in 2023. Since 2000, home values in this ZIP have appreciated by approximately 161%. 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 21779?
In ZIP code 21779, 67.9% of residents aged 25+ have a high school diploma or higher, and 37.3% 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 21779?
In ZIP code 21779, approximately 66.2% of occupied housing units are owner-occupied and 33.8% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 21779?
The poverty rate in ZIP code 21779 is 14.3% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.
Related
Take this with you
What to do with ZIP 21779's numbers, next.
- See how ZIP 21779 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where Rohrersville, MD ranks among every U.S. ZIP code on income, education, or homeownership View national rankings
- Save this ZIP to your shortlist to track alongside others you're considering View your shortlist
ZIP Code Tabulation Areas (ZCTAs) are Census Bureau approximations of USPS ZIP codes; figures describe the ZCTA area, not any single address within it.