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Area data

Baltimore, MD — ZIP 21231

Population: 14,969 (Census ACS)

The median home value in ZIP 21231 (Baltimore, MD) is $301,100 — down 4.5% over the past year. Homes sell for a median $355,000 after a median 35 days on market. Typical rent runs $2,356/month. 5 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

$301,100

Median home value

-4.5%

1-year change

35

Median days on market

Relatively High

Hazard risk (county)

Home values & appreciation

Median home value
$301,100
1-year appreciation
-4.5%
3-year appreciation
+2.1%
5-year appreciation
+6.9%
10-year appreciation
+17.6%
All-time peak (2025-06)
$315,518
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
$355,000
Median list price
$349,900
Median price per sqft
$215
1-year sale-price change
+4.7%
Median days on market
35 days
Homes sold (recent period)
61
For-sale inventory
94
Sale-to-list ratio
99.2%
Active listings
50
1-year forecast
0.0%
Days to pending
38 days
New listings (monthly)
34

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

Rents

Typical rent
$2,356/mo
1-year rent change
+3.0%
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
5
Elementary schools
3
Middle schools
1
High schools
1
Charter schools
3
Schools include
City Springs Elementary/Middle, Commodore John Rodgers Elementary/Middle, Wolfe Street Academy, Paul Laurence Dunbar High, The Crossroads School

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
AE
Flood risk level
High
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
2
Nearest Superfund site
Kane & Lombard Street Drums (2.7 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
58.0°F
Average high
67.0°F
Average low
48.0°F
Annual precipitation
49.7 in
Annual snowfall
1.4 in
USDA plant hardiness zone
8a (extreme annual low 10 to 15°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
16.7 / 20
Transit service frequency
0
Jobs reachable by car (30 min)
163,299
Jobs reachable by transit (45 min)
126,413

Source: EPA Smart Location Database (metropolitan block groups)

Amenities

National parks within ~60 mi
54
Nearest national park
Star-Spangled Banner National Historic Trail (1 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
37
Nearest airport
Essex Skypark Airport (9 mi)
Nearest major airport
Baltimore/Washington International Thurgood Marshall Airport (BWI) (9 mi)
Hospitals nearby (~15 mi)
19
Hospitals include
UNIVERSITY OF MARYLAND MEDICAL CENTER, UNIVERSITY OF MD MEDICAL CENTER MIDTOWN CAMPUS, VA MARYLAND HEALTHCARE SYSTEM - BALTIMORE
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
1,938
Housing built before 1970
62.7%
Housing built 2000 or later
23.2%
Median annual property tax
$5,791
Mean commute to work
18 min
Households with broadband internet
80.1%

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

ZIP 21231State medianUS median
Median home value$301,100$452,533$289,727
Median sale price$355,000$450,000$325,000
Median days on market35 days40 days51 days
Typical rent$2,356/mo$2,002/mo$1,808/mo
Median annual property tax$5,791$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 ZIP 21231?
$301,100.
What is the median sale price in ZIP 21231?
$355,000.
How long do homes take to sell in ZIP 21231?
Median days on market: 35 days.
What is typical rent in ZIP 21231?
Typical rent: $2,356/month.
What is the natural-hazard risk in ZIP 21231?
Overall risk: Relatively High (FEMA NRI, county-level). Top hazards: winterWeather, coldWave, heatWave, inlandFlooding, lightning.
Is ZIP 21231 in a flood zone?
High (FEMA NFIP). FEMA flood zone AE.
What is the wildfire risk in ZIP 21231?
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 ZIP 21231?
Moderate radon potential — EPA Zone 2 of 3, county-level. EPA recommends testing every home regardless of zone.
Are there Superfund sites near ZIP 21231?
2 current or proposed National Priorities List sites within 5 miles (EPA). Nearest site: Kane & Lombard Street Drums, 2.7 mi.
How many schools serve ZIP 21231?
5 schools (3 elementary, 1 middle, 1 high) (NCES, 2022-23).
Is ZIP 21231 walkable?
Walkability index: 16.7/20 (EPA Smart Location Database).
What is the air quality in ZIP 21231?
Good. Median AQI: 45. (EPA AQI).
What is the cost of living in ZIP 21231?
Regional Price Parity: 108.0 (100 = US average) (Above Average) (BEA RPP, metro/state-level).

Nearby ZIP codes

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Data last updated

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

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