US ZIP Code
21756

Keedysville, MD

Washington County  ·  Maryland

● Active
👥 3,172 Population ↑ 4% since 2019
💰 $91,836 Median HH Income
▲ 20% above avg ↑ 16% since 2019
🎂 45.7 Median Age ↓ 2% since 2019
🏠 $360,900 Median Home Value
▲ 29% above avg ↑ 20% since 2019
🎓 35.1% College Grads
▼ 9% below avg
📊 5.3% Unemployment
▲ 8% above avg ↑ 34% since 2019
ZIP Code Details
ZIP Code21756
CityKeedysville
StateMaryland (MD)
CountyWashington County
Area Code227/240/301
Elevation680 ft
Latitude39.459836
Longitude-77.693503
TimezoneNew York (DST)
FIPS24043
ZIP TypeStandard
StatusActive
People & Population (ACS 2023)
♂ Male 51.2% (1,624) Female 48.8% (1,548) ♀

Race & Ethnicity

White: 96.4%Hispanic: 0.5%Asian: 0.6%Other: 2.4%Race
White96.4%
Hispanic0.5%
Asian0.6%
Other2.4%

Age Breakdown

Under 5
7%
5–17
16%
18–24
8%
25–44
18%
45–64
32%
65+
8%

Key Indicators

Median Age45.7 yrs ↓ 2% since 2019
Avg Household Size2.51
Below Poverty2.6% ▼ 74% below avg
College Grads35.1% ▼ 9% below avg
Unemployment5.3% ▲ 8% above avg
HS Graduate809 (40.9%)
Some College253 (12.8%)
Associates222 (11.2%)
Bachelors99 (5%)
Graduate Degree596 (30.1%)

Education

HS Grad: 40.9%Some College: 12.8%Associates: 11.2%Bachelors: 5%Graduate: 30.1%Edu
HS Grad40.9%
Some College12.8%
Associates11.2%
Bachelors5.0%
Graduate30.1%
Housing & Income

Housing Tenure

Owner: 95.2%Renter: 4.8%Tenure
Owner95.2%
Renter4.8%

Home Value Distribution

Under $50k
12%
$100k–150k
9%
$150k–200k
1%
$200k–300k
12%
$300k–500k
42%
Over $500k
25%

Financials

Median HH Income$91,836 ▲ 20% above avg ↑ 16% since 2019
Median Home Value$360,900 ▲ 29% above avg ↑ 20% since 2019
Home/Income Ratio3.9x (nat avg ~3.5x)
Median Rent$1,345/mo ↑ 54% since 2019
Total Units1,360
Vacant Units97
Avg HH Size2.51

Income Distribution

Under $25k
6%
$25k–50k
18%
$50k–75k
16%
$75k–100k
11%
$100k–150k
20%
$150k–200k
12%
Over $200k
17%
Employment & Commute

How People Get to Work

Drove Alone
64%
Public Transit
5%
Walked
1%
Work From Home
30%

Commute Time

Under 15 min
9%
15–30 min
21%
30–45 min
28%
Over 45 min
42%
Housing Stock

Year Built

Before 1940
0%
1940s–1950s
3%
1960s–1970s
10%
1980s–1990s
29%
2000+
58%

Summary

Total Units1,360
Vacant97
Owner Occupied95.2%
Renter Occupied4.8%
Avg HH Size2.51
Frequently Asked Questions
ZIP code 21756 is in Keedysville, MD, in Washington County.
ZIP code 21756 is located in Maryland (MD).
ZIP code 21756 is in Washington County, MD.
ZIP 21756 observes the New York timezone. Daylight Saving Time is observed.
The estimated population of ZIP code 21756 is 3,172 people (ACS 2023).
The median household income in ZIP code 21756 is $91,836 (ACS 2023).
The median home value in ZIP 21756 is $360,900 (ACS 2023).
About ZIP Code 21756

ZIP code 21756 is located in Keedysville, Maryland, within Washington County. With a population of 3,172, this is a sparsely populated ZIP code with a mature community — the median age is 45.7 years. Economically, 21756 is a middle-income ZIP code: the median household income of $91,836 is above the national average.

Real estate in ZIP code 21756 represents a mid-range housing market. The median home value of $360,900 is above the national average. Renters can expect to pay around $1,345 per month in median rent. Homeownership is strong here — 95.2% of occupied units are owner-occupied, suggesting an established, stable residential community. Median home values have increased by 20% since 2019.

The population of 21756 is primarily White (96.41%). Residents are moderately educated — 35.1% hold a bachelor's degree or higher, which is near the national average. Poverty affects a relatively small share of residents at 2.6%. Household income has grown by 16% since 2019.

The unemployment rate in 21756 stands at 5.3%, which is near the national average. A notably high share of workers — 28% — work from home, reflecting the professional makeup of the area. As in most parts of the country, driving alone is the dominant commute mode at 60%.

Overall, ZIP code 21756 in Keedysville, MD is characterized as middle-income, moderately educated, a mature community, and predominantly owner-occupied. With 3,172 residents, a median household income of $91,836, and a median home value of $360,900, it offers a clear picture of life in this part of Maryland.