Keedysville, MD · standard
ZIP Code 21756
Washington County, Maryland - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 3,612
- 67/sq mi Moderate-density area
- $101,786
- Median income Above-median income area
- $413,200
- Median home value Above-median home value
- 28.8%
- Bachelor's or higher Near-average bachelor's attainment
National ZIP placement
Keedysville pairs an upper-quartile household income with upper-quartile home values, in a rural, homeowner-dominated area.
- Top 18%
- household income, US ZIPs
- Top 19%
- home value, US ZIPs
- 67
- people per sq mi
- 98%
- owner-occupied homes
Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 21756 against every reporting US ZIP.
FHFA HPI release change
What changed in the latest House Price Index year
- FHFA House Price Index values in ZIP 21756 (Keedysville, MD) rose +11.4% from 2023 to 2024. The all-transactions index moved from 232.3 in 2023 to 258.8 in 2024 (2000 = 100).
ZIP code 21756 covers 54.2 square miles in Keedysville, Washington County, Maryland (a standard USPS delivery area), with a modest 3,612 residents on file, a density of 67 people per square mile, in the New York time zone.
ZIP 21756 lands in the middle-income range, with a median household income of $101,786 (11% below the average Maryland ZIP), while per-capita income is $48,757. Both reported hardship measures are comparatively low in absolute terms: poverty is 2.9% and unemployment is 3.6%. Median home value is $413,200 (8% below the average Maryland ZIP) and median rent is $1,321; 97.7% of occupied homes are owner-occupied.
Educational attainment sits below the national norm: 28.8% 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 21756 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 →
Top industries in ZIP 21756
Top 5 sectors by establishment count in Keedysville, MD
Which industries have the most business establishments in ZIP 21756.
- Construction
Construction
14 establishments
- Transportation and warehousing
Transportation and warehousing
6 establishments
- Manufacturing 4
Manufacturing
4 establishments
- Professional, scientific, and technical services 4
Professional, scientific, and technical services
4 establishments
- Other services (except public administration) 4
Other services (except public administration)
4 establishments
What this shows Establishment counts come from the Census ZIP Code Business Patterns program, which counts physical business locations rather than employees or revenue.
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 21756, Keedysville, 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
3,612
Population
54.2
Area (sq mi)
67
People / sq mi
New York
Time Zone
standard
ZIP Type
Who lives in ZIP 21756?
41.8
Median Age
52.2%
Male
47.8%
Female
2.2%
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?
$101,786
Median Household Income
-11% vs state ZIP avg
$48,757
Per Capita Income
2.9%
Poverty Rate
3.6%
Unemployment Rate
How ZIP 21756 ranks among Maryland ZIPs
Keedysville, MD household income vs. every Maryland ZIP code
Median household income among 419 reporting Maryland ZIPs (this ZIP's population is too small for a reliable national-corpus placement)
$101,786 47th percentile higher than 47% of 419 Maryland ZIPs
Each bar is a $20K-wide band; taller bars hold more Maryland ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.
Source U.S. Census Bureau, ACS 5-Year Estimates · 2019–2023
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
1,496housing units
1,496
Total Housing Units
1,394
Occupied Units
102
Vacant Units
2.61
Avg Household Size
Occupancy Type
$413,200
Median Home Value
-8% vs state ZIP avg
$1,321
Median Rent
1991
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
+11.4%
YoY Change (2024)
259
HPI Index (2000 = 100)
+159%
Total Change Since 2000
Home values in ZIP 21756 have increased 11.4% over the past year (2024). Since 2000, this ZIP has seen +159% cumulative appreciation.
| Year | Annual Change | HPI Index |
|---|---|---|
| 2020 | +1.4% | 166 |
| 2021 | +13.3% | 189 |
| 2022 | +18.8% | 224 |
| 2023 | +3.7% | 232 |
| 2024 | +11.4% | 259 |
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 2024. ZIP codes with few transactions may show missing values.
What businesses operate in this ZIP?
Census Bureau data shows 48 business establishments in ZIP 21756, employing approximately 161 people with a combined annual payroll of $8,767,000.
48
Businesses
161
Employees
$8.8M
Annual Payroll
7
Industry Sectors
| Industry | Establishments | % of Total |
|---|---|---|
| Construction | 14 | 29.2% |
| Transportation and warehousing | 6 | 12.5% |
| Manufacturing | 4 | 8.3% |
| Professional, scientific, and technical services | 4 | 8.3% |
| Other services (except public administration) | 4 | 8.3% |
| Administrative and support and waste management and remediation services | 3 | 6.3% |
| Health care and social assistance | 3 | 6.3% |
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 21756 vs 21782 →
ZIP 21756 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
- 25443
Shepherdstown (25443)
7,445 residents
- 21758
Knoxville (21758)
4,921 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
- 21733 1,163
Fairplay (21733)
1,163 residents
- 21779 983
Rohrersville (21779)
983 residents
What this shows Among its immediate neighbors, ZIP 21756 ranks #6 by population - useful context the national average alone can't give.
ZIP 21756 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 21769
Middletown (21769)
$151,563 median income
- 25443
Shepherdstown (25443)
$111,593 median income
- 21758
Knoxville (21758)
$111,528 median income
- 21733
Fairplay (21733)
$109,896 median income
- 21756
Keedysville (21756)
$101,786 median income
- 21713
Boonsboro (21713)
$96,199 median income
- 21782
Sharpsburg (21782)
$94,130 median income
- 21718
Burkittsville (21718)
$93,500 median income
What this shows By household income, ZIP 21756 ranks #5 of 8 neighboring ZIPs, local affluence varies block to block, not just metro to metro.
| ZIP Code | City | Population | Distance |
|---|---|---|---|
| 21782 | Sharpsburg, MD | 4,097 | 3.3 mi |
| 21779 | Rohrersville, MD | 983 | 3.1 mi |
| 21713 | Boonsboro, MD | 9,502 | 5.3 mi |
| 21746 | Hagerstown, MD | 1,883 | 7.8 mi |
| 25443 | Shepherdstown, WV | 7,445 | 6.2 mi |
| 21718 | Burkittsville, MD | 151 | 5.7 mi |
| 21758 | Knoxville, MD | 4,921 | 7.4 mi |
| 21769 | Middletown, MD | 11,236 | 7.2 mi |
| 21733 | Fairplay, MD | 1,163 | 7.4 mi |
| 21781 | Saint James, MD | 136 | 8.8 mi |
Nationwide ZIPs with similar ACS profiles
Two Census-derived peer sets for ZIP 21756, both outside MD so the neighborhoods are not geographic containment (Nearby and same-county blocks stay local).
Similar population
Nearest cross-state ZIPs by resident population (3,612 here; floor ≥1,000).
Similar median household income
Nearest cross-state ZIPs by ACS median household income.
More ZIP Codes in Washington County
Related Areas
Frequently Asked Questions
What county is ZIP code 21756 in?
ZIP code 21756 (Keedysville) 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 21756?
ZIP code 21756 in Keedysville, MD has a population of 3,612 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 21756?
The median household income in ZIP 21756 is $101,786, which is 33% above the national average of $76,288.
What is the average home value in ZIP 21756?
The median home value in ZIP 21756 is $413,200, which is 49% above the national average of $278,155.
What is the demographic makeup of ZIP 21756?
The largest racial group in ZIP 21756 is White at 94.8%. Hispanic or Latino residents make up 0.4% of the population.
How many businesses are in ZIP code 21756?
ZIP code 21756 has 48 business establishments employing approximately 161 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 21756?
The top industries by establishment count in ZIP 21756 are: Construction (14), Transportation and warehousing (6), Manufacturing (4). There are 7 industry sectors represented in total.
How have home values changed in ZIP code 21756?
According to the FHFA House Price Index, home values in ZIP 21756 increased by 11.4% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 159%. 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 21756?
In ZIP code 21756, 72.4% of residents aged 25+ have a high school diploma or higher, and 28.8% 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 21756?
In ZIP code 21756, approximately 97.7% of occupied housing units are owner-occupied and 2.3% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 21756?
The poverty rate in ZIP code 21756 is 2.9% 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 21756's numbers, next.
- See how ZIP 21756 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where Keedysville, 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.