Area data
Conowingo, MD — ZIP 21918
Population: 4,169 (Census ACS)
The median home value in ZIP 21918 (Conowingo, MD) is $404,589 — up 1.8% over the past year. Homes sell for a median $342,300 after a median 29 days on market. 1 schools serve the area (NCES). FEMA's National Risk Index rates the county's overall natural-hazard risk Relatively Low, with drought, strongwind, winterweather the top-rated hazards. Cost of living is 8.0% above the US average (BEA, metro/state-level).
$404,589
Median home value
+1.8%
1-year change
29
Median days on market
Relatively Low
Hazard risk (county)
Home values & appreciation
- Median home value
- $404,589
- 1-year appreciation
- +1.8%
- 3-year appreciation
- +11.6%
- 5-year appreciation
- +22.0%
- 10-year appreciation
- +68.6%
- All-time peak (2026-07)
- $404,589
- 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
- $342,300
- Median list price
- $437,400
- Median price per sqft
- $222
- 1-year sale-price change
- +18.0%
- Median days on market
- 29 days
- Homes sold (recent period)
- 13
- For-sale inventory
- 9
- Sale-to-list ratio
- 98.3%
- Active listings
- 11
- 1-year forecast
- +1.6%
Source: recent area sales and market data (ZIP-level)
Rents
- Studio fair-market rent
- $1,040/mo
- 1BR fair-market rent
- $1,130/mo
- 2BR fair-market rent
- $1,350/mo
- 3BR fair-market rent
- $1,620/mo
- 4BR fair-market rent
- $1,810/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
- 1
- Elementary schools
- 1
- Middle schools
- 0
- High schools
- 0
- Schools include
- Conowingo Elementary
Source: NCES school directory, 2022-23 (school-address-based)
Natural hazards & flood risk
- Overall hazard risk (county)
- Relatively Low
- Top hazards (county)
- drought, strongWind, winterWeather, iceStorm, lightning
- Notable hazard ratings (county)
- coastalFlooding: Relatively Low · coldWave: Relatively Low · drought: Relatively High · earthquake: Relatively Low · heatWave: Relatively Low · hurricane: Relatively Low
- FEMA flood zone
- A
- Flood risk level
- High
- Wildfire risk to homes (county)
- Higher than 22% of US counties
- Buildings in wildfire direct-exposure zone
- 71.9%
- Radon potential (county)
- Moderate radon potential — EPA Zone 2 of 3
- EPA Superfund (NPL) sites within 5 mi
- None
- Nearest Superfund site
- Woodlawn County Landfill (5.2 mi)
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
- 56.0°F
- Average high
- 65.0°F
- Average low
- 47.0°F
- Annual precipitation
- 50.1 in
- USDA plant hardiness zone
- 7a (extreme annual low 0 to 5°F)
Sources: NOAA Climate Normals (30-year, nearest-station) · USDA Plant Hardiness Zone Map (2023)
Air quality
- Air quality rating
- Good
- Median AQI (annual)
- 42
- Days with Good air quality
- 266
- Days with Moderate air quality
- 88
- Days with Unhealthy air quality
- 4
- Highest AQI recorded (year)
- 190
Source: EPA air quality data (nearest monitoring station, annual)
Walkability & transit
- Walkability index
- 5.0 / 20
- Transit service frequency
- -99,999
- Jobs reachable by car (30 min)
- 11,350
- Jobs reachable by transit (45 min)
- 15,692
Source: EPA Smart Location Database (metropolitan block groups)
Amenities
- National parks within ~60 mi
- 16
- Nearest national park
- Hampton National Historic Site (28 mi)
- National parks include
- Hampton National Historic Site, First State National Historical Park, Star-Spangled Banner National Historic Trail
- Airports within 30 mi
- 36
- Nearest airport
- Pembroke Farm Airport (3 mi)
- Nearest major airport
- Phillips Army Air Field (APG) (15 mi)
- Hospitals nearby (~15 mi)
- 2
- Hospitals include
- UNION HOSPITAL OF CECIL COUNTY, UM UPPER CHESAPEAKE BEHAVIORAL HEALTH PAVILION AT
- Avg hospital rating (CMS)
- 3.0 / 5
- Best hospital rating nearby (CMS)
- 3.0 / 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)
- +318 tax filers
Source: IRS county-to-county migration data (county-level, ~12-month lag)
Housing stock
- Median year housing built
- 1,987
- Housing built before 1970
- 28.9%
- Housing built 2000 or later
- 20.8%
- Median annual property tax
- $2,811
- Mean commute to work
- 30 min
- Households with broadband internet
- 84.2%
Source: Census ACS 5-year estimates (ZIP-level)
Employment & development
- Total county employment
- 28,742
- Average weekly wage
- $1,053
- Top industries (by employment)
- Accommodation & Food, Health Care, Wholesale Trade
- Annual residential building permits (county)
- 231
Sources: BLS QCEW (county-level) · Census Building Permits (county-level)
How it compares
| ZIP 21918 | State median | US median | |
|---|---|---|---|
| Median home value | $404,589 | $452,533 | $289,727 |
| Median sale price | $342,300 | $450,000 | $325,000 |
| Median days on market | 29 days | 40 days | 51 days |
| Median annual property tax | $2,811 | $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 21918?
- $404,589.
- What is the median sale price in ZIP 21918?
- $342,300.
- How long do homes take to sell in ZIP 21918?
- Median days on market: 29 days.
- What is typical rent in ZIP 21918?
- 2-bedroom fair-market rent: $1,350/month (HUD FMR — a 40th-percentile regulatory reference, not market-observed).
- What is the natural-hazard risk in ZIP 21918?
- Overall risk: Relatively Low (FEMA NRI, county-level). Top hazards: drought, strongWind, winterWeather, iceStorm, lightning.
- Is ZIP 21918 in a flood zone?
- High (FEMA NFIP). FEMA flood zone A.
- What is the wildfire risk in ZIP 21918?
- Risk to homes is higher than 22% of US counties (USDA Forest Service Wildfire Risk to Communities, county-level).
- What is the radon potential in ZIP 21918?
- Moderate radon potential — EPA Zone 2 of 3, county-level. EPA recommends testing every home regardless of zone.
- Are there Superfund sites near ZIP 21918?
- No current or proposed National Priorities List sites within 5 miles (EPA).
- How many schools serve ZIP 21918?
- 1 schools (1 elementary) (NCES, 2022-23).
- Is ZIP 21918 walkable?
- Walkability index: 5.0/20 (EPA Smart Location Database).
- What is the air quality in ZIP 21918?
- Good. Median AQI: 42. (EPA AQI).
- What is the cost of living in ZIP 21918?
- 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 →