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MD area data

Gwynn oak, MD

Aggregated across 2 ZIP codes in Gwynn oak.

Population: 85,307 (Census ACS)

The median home value in Gwynn oak, MD is $311,510 — up 0.8% over the past year. Homes sell for a median $158,475 after a median 18 days on market. Typical rent runs $1,481/month. 20 schools serve the area (NCES). FEMA's National Risk Index rates the county's overall natural-hazard risk Relatively High, with winterweather, coldwave, heatwave the top-rated hazards. Cost of living is 8.0% above the US average (BEA, metro/state-level).

Backed by 25+ public sourcesFEMA · U.S. Census · NOAA · Dept. of Education · EPA · and more

$311,510

Median home value

+0.8%

1-year change

18

Median days on market

Relatively High

Hazard risk (county)

Home values & appreciation

Median home value
$311,510
1-year appreciation
+0.8%
3-year appreciation
+6.2%
5-year appreciation
+15.3%
10-year appreciation
+68.7%
All-time peak (2026-05)
$311,709
House Price Index (state)
367.5 (+0.7% YoY)

Sources: home value index (ZIP-level) · FHFA House Price Index (state-level)

Market activity

Median sale price
$158,475
Median list price
$216,125
Median price per sqft
$131
1-year sale-price change
-22.0%
Median days on market
18 days
Homes sold (recent period)
2
For-sale inventory
140
Sale-to-list ratio
93.0%
Active listings
2
1-year forecast
+0.2%
Days to pending
29 days
New listings (monthly)
61

Source: recent area sales and market data (ZIP-level)

Rents

Typical rent
$1,481/mo
1-year rent change
+2.0%
Studio fair-market rent
$1,150/mo
1BR fair-market rent
$1,437/mo
2BR fair-market rent
$1,704/mo
3BR fair-market rent
$2,216/mo
4BR fair-market rent
$2,557/mo

Sources: market rent index (ZIP-level) · HUD Fair Market Rents (metro/county-level, 40th-percentile regulatory reference)

Affordability

Cost of living index (Above Average)
108.0 (100 = US avg)
Electricity rate (state-level)
19.5¢/kWh
Natural gas rate (state-level)
$16.10/MCF
30-year mortgage rate (national)
6.66%
15-year mortgage rate (national)
6.00%

Sources: BEA Regional Price Parities (metro/state-level) · EIA energy rates (state-level) · Freddie Mac PMMS (national)

Schools

Total schools
20
Elementary schools
14
Middle schools
3
High schools
3
Charter schools
1
School districts serving the area
Baltimore City Public Schools, Baltimore County Public Schools
Schools include
Dickey Hill Elementary/Middle, Forest Park High, Liberty Elementary, Calvin M. Rodwell Elementary/Middle, Campfield Early Childhood Center

Source: NCES school directory, 2022-23 (school-address-based)

Natural hazards & flood risk

Overall hazard risk (county)
Relatively High
Top hazards (county)
winterWeather, coldWave, heatWave, inlandFlooding, lightning
Notable hazard ratings (county)
coastalFlooding: Relatively Moderate · coldWave: Relatively High · earthquake: Relatively Moderate · hail: Relatively Moderate · heatWave: Relatively High · hurricane: Relatively Moderate
FEMA flood zone (varies by location)
includes X
Flood risk level
Minimal
Wildfire risk to homes (county)
Higher than 8% of US counties
Buildings in wildfire direct-exposure zone
5.1%
Radon potential (county)
Moderate radon potential — EPA Zone 2 of 3
EPA Superfund (NPL) sites within 5 mi
None
Nearest Superfund site
Kane & Lombard Street Drums (9.7 mi)
EPA recommends radon testing for every home regardless of zone.

Sources: FEMA National Risk Index (county-level) · FEMA flood data (ZIP-level) · USDA Forest Service Wildfire Risk to Communities (county-level) · EPA radon zones + Superfund NPL

Climate (30-year normals)

Average annual temperature
79.0°F
Average high
80.0°F
Average low
78.0°F
Annual precipitation
50.5 in
USDA plant hardiness zone
7b (extreme annual low 5 to 10°F)

Sources: NOAA Climate Normals (30-year, nearest-station) · USDA Plant Hardiness Zone Map (2023)

Air quality

Air quality rating
Good
Median AQI (annual)
45
Days with Good air quality
228
Days with Moderate air quality
124
Days with Unhealthy air quality
3
Highest AQI recorded (year)
205

Source: EPA air quality data (nearest monitoring station, annual)

Walkability & transit

Walkability index
11.4 / 20
Transit service frequency
642
Jobs reachable by car (30 min)
116,679
Jobs reachable by transit (45 min)
108,578

Source: EPA Smart Location Database (metropolitan block groups)

Amenities

National parks within ~60 mi
114
Nearest national park
Star-Spangled Banner National Historic Trail (7 mi)
National parks include
Star-Spangled Banner National Historic Trail, Fort McHenry National Monument and Historic Shrine, Hampton National Historic Site
Airports within 30 mi
68
Nearest airport
St John Airport (10 mi)
Nearest major airport
Baltimore/Washington International Thurgood Marshall Airport (BWI) (11 mi)
Hospitals nearby (~15 mi)
12
Hospitals include
UMD REHABILITATION & ORTHOPAEDIC INSTITUTE, UNIVERSITY OF MARYLAND MEDICAL CENTER, UNIVERSITY OF MD MEDICAL CENTER MIDTOWN CAMPUS
Avg hospital rating (CMS)
3.2 / 5
Best hospital rating nearby (CMS)
5.0 / 5
Solar radiation rating
Fair (4.1 kWh/m²/day)

Sources: National Park Service · FAA airport data · CMS hospital data · DOE/NREL (proximity-based)

Migration

Net migration (county)
-2,817 tax filers

Source: IRS county-to-county migration data (county-level, ~12-month lag)

Housing stock

Median year housing built
1,969
Housing built before 1970
49.5%
Housing built 2000 or later
10.0%
Median annual property tax
$2,983
Mean commute to work
26 min
Households with broadband internet
72.2%

Source: Census ACS 5-year estimates (ZIP-level)

Employment & development

Total county employment
269,861
Average weekly wage
$1,522
Top industries (by employment)
Health Care, Education, Professional Services
Annual residential building permits (county)
866

Sources: BLS QCEW (county-level) · Census Building Permits (county-level)

How it compares

Gwynn oakState medianUS median
Median home value$311,510$452,533$289,727
Median sale price$158,475$450,000$325,000
Median days on market18 days40 days51 days
Typical rent$1,481/mo$2,002/mo$1,808/mo
Median annual property tax$2,983$3,862$2,006

State and US medians are computed across all US ZIP codes with sufficient public-data coverage, from the same sources as the figures above.

Area data compiled from public government, academic, and industry research feeds. Data sources →

Common questions

What is the median home value in Gwynn oak, MD?
$311,510.
What is the median sale price in Gwynn oak, MD?
$158,475.
How long do homes take to sell in Gwynn oak, MD?
Median days on market: 18 days.
What is typical rent in Gwynn oak, MD?
Typical rent: $1,481/month.
What is the natural-hazard risk in Gwynn oak, MD?
Overall risk: Relatively High (FEMA NRI, county-level). Top hazards: winterWeather, coldWave, heatWave, inlandFlooding, lightning.
Is Gwynn oak, MD in a flood zone?
Minimal (FEMA NFIP). Parts of the area include FEMA flood zone X; zones vary by location within the city.
What is the wildfire risk in Gwynn oak, MD?
Risk to homes is higher than 8% of US counties (USDA Forest Service Wildfire Risk to Communities, county-level).
What is the radon potential in Gwynn oak, MD?
Moderate radon potential — EPA Zone 2 of 3, county-level. EPA recommends testing every home regardless of zone.
Are there Superfund sites near Gwynn oak, MD?
No current or proposed National Priorities List sites within 5 miles (EPA).
How many schools serve Gwynn oak, MD?
20 schools (14 elementary, 3 middle, 3 high) (NCES, 2022-23).
Is Gwynn oak, MD walkable?
Walkability index: 11.4/20 (EPA Smart Location Database).
What is the air quality in Gwynn oak, MD?
Good. Median AQI: 45. (EPA AQI).
What is the cost of living in Gwynn oak, MD?
Regional Price Parity: 108.0 (100 = US average) (Above Average) (BEA RPP, metro/state-level).

ZIP codes in Gwynn oak

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Data last updated

Most recent source refresh: Sep 2026. See all data sources →

Data compiled by REAIGENT7 — AI listing platform for real estate agents