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Area data

Baytown, TX — ZIP 77521

Population: 69,038 (Census ACS)

The typical home value in ZIP 77521 (Baytown, TX) is $253,839 — down 1.0% over the past year. Homes sell for a median $272,290 after a median 47 days on market. Typical rent runs $1,612/month. 16 schools serve the area (NCES). FEMA's National Risk Index rates the county's overall natural-hazard risk Very High, with cold wave, heat wave, hurricane the top-rated hazards. Cost of living is 2.9% below the US average (BEA, metro/state-level).

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

$253,839

Typical home value

-1.0%

1-year change

47

Median days on market

Very High

Hazard risk (county)

Home values & appreciation

Typical home value
$253,839
1-year appreciation
-1.0%
3-year appreciation
-2.0%
5-year appreciation
+12.4%
10-year appreciation
+58.7%
Peak value since 2000 (Sep 2022)
$264,000
House Price Index (state)
450.8 (+0.4% YoY)

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

Market activity

Median sale price
$272,290
Median list price
$269,000
Median price per sqft
$140
1-year sale-price change
+2.8%
Median days on market
47 days
Homes sold (recent period)
191
For-sale inventory
285
Sale-to-list ratio
96.3%
Active listings
295
1-year forecast
+0.1%
Days to pending
77 days
New listings (monthly)
71

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

Rents

Typical rent
$1,612/mo
1-year rent change
+1.5%
Studio fair-market rent
$1,233/mo
1BR fair-market rent
$1,261/mo
2BR fair-market rent
$1,497/mo
3BR fair-market rent
$2,017/mo
4BR fair-market rent
$2,502/mo

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

Affordability

Cost of living index (Average)
97.1 (100 = US avg)
Electricity rate (state-level)
15.5¢/kWh
Natural gas rate (state-level)
$19.40/MCF
30-year mortgage rate (national)
7.40%
15-year mortgage rate (national)
6.73%

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

Schools

Total schools
16
Elementary schools
8
Middle schools
2
High schools
4
Avg student-teacher ratio
16.3 : 1
Schools include
ALAMO EL, HARLEM EL, STEPHEN F AUSTIN EL, STERLING H S, CROCKETT EL

Source: NCES school directory, 2024-25 (school-address-based)

Natural hazards & flood risk

Overall hazard risk (county)
Very High
Top hazards (county)
cold wave, heat wave, hurricane, ice storm, inland flooding
Notable hazard ratings (county)
tornado: Very High · cold wave: Very High · heat wave: Very High · ice storm: Very High · hurricane: Very High · lightning: Very High
Most common flood zone among NFIP claims
Zone X
NFIP flood claims on record
2,099
Wildfire risk to homes (county)
Higher than 58% of US counties
Buildings in wildfire direct-exposure zone
5.7%
Radon potential (county)
Low radon potential — EPA Zone 3 of 3
EPA Superfund (NPL) sites within 5 mi
None
Nearest Superfund site
San Jacinto River Waste Pits (5.6 mi)
Flood zones vary by property. Look up a specific address on the FEMA Flood Map Service Center.
EPA recommends radon testing for every home regardless of zone.

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

Climate (30-year normals)

Average annual temperature
71.0°F
Average high
80.0°F
Average low
62.0°F
Annual precipitation
55.0 in
USDA plant hardiness zone
9b (extreme annual low 25 to 30°F)

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

Air quality

Air quality rating
Moderate
Median AQI (annual)
62
Days with Good air quality
40
Days with Moderate air quality
287
Days with Unhealthy air quality
10
Highest AQI recorded (year)
172

Source: EPA annual air quality index (county-level)

Walkability & transit

Walkability index
8.8 / 20
Transit service frequency
-99,999
Jobs reachable by car (30 min)
122,380
Jobs reachable by transit (45 min)
96,366

Source: EPA Smart Location Database (metropolitan block groups)

Amenities

National parks within ~60 mi
1
Nearest national park
Big Thicket National Preserve (57 mi)
Airports within 30 mi
32
Nearest airport
Baytown Airport (HPY) (2 mi)
Nearest major airport
Ellington Airport (EFD) (18 mi)
Hospitals in or near this ZIP
2
Hospitals include
HOUSTON METHODIST BAYTOWN HOSPITAL, BAYTOWN MEDICAL CENTER LP
Avg hospital rating (CMS)
5.0 / 5
Best hospital rating nearby (CMS)
5.0 / 5
Solar radiation rating
Good (4.6 kWh/m²/day)

Sources: National Park Service · FAA airport data · CMS hospital data (same ZIP, else within ~40 mi) · DOE/NREL (proximity-based)

Migration

Net migration (county)
-3,367 tax filers

Source: IRS SOI county-to-county migration (county-level; published with a multi-year lag)

Housing stock

Median year housing built
1997
Housing built before 1970
10.2%
Housing built 2000 or later
47.6%
Median annual property tax
$4,067
Mean commute to work
23 min
Households with broadband internet
73.9%

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

Employment & development

Total county employment
2,173,259
Average weekly wage
$1,784
Top industries (by employment)
Health Care, Accommodation & Food, Professional Services
Annual residential building permits (county)
30,909

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

How it compares

ZIP 77521State medianUS median
Typical home value$253,839$260,760$288,527
Median sale price$272,290$285,000$325,000
Median days on market47 days71 days51 days
Typical rent$1,612/mo$1,567/mo$1,809/mo
Median annual property tax$4,067$2,390$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 typical home value in ZIP 77521?
$253,839.
What is the median sale price in ZIP 77521?
$272,290.
How long do homes take to sell in ZIP 77521?
Median days on market: 47 days.
What is typical rent in ZIP 77521?
Typical rent: $1,612/month.
What is the natural-hazard risk in ZIP 77521?
Overall risk: Very High (FEMA NRI, county-level). Top hazards: cold wave, heat wave, hurricane, ice storm, inland flooding.
Is ZIP 77521 in a flood zone?
Flood zones vary by property within ZIP 77521. 2,099 FEMA flood-insurance (NFIP) claims are on record; the most common zone among them is X. Check a specific address on the FEMA Flood Map Service Center.
What is the wildfire risk in ZIP 77521?
Risk to homes is higher than 58% of US counties (USDA Forest Service Wildfire Risk to Communities, county-level).
What is the radon potential in ZIP 77521?
Low radon potential — EPA Zone 3 of 3, county-level. EPA recommends testing every home regardless of zone.
Are there Superfund sites near ZIP 77521?
No current or proposed National Priorities List sites within 5 miles (EPA).
How many schools serve ZIP 77521?
16 schools (8 elementary, 2 middle, 4 high) (NCES, 2024-25).
Is ZIP 77521 walkable?
Walkability index: 8.8/20 (EPA Smart Location Database).
What is the air quality in ZIP 77521?
Moderate. Median AQI: 62. (EPA AQI).
What is the cost of living in ZIP 77521?
Regional Price Parity: 97.1 (100 = US average) (Average) (BEA RPP, metro/state-level).

Nearby ZIP codes

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Data last updated

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

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