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Area data

Harper, TX — ZIP 78631

Population: 3,465 (Census ACS)

The typical home value in ZIP 78631 (Harper, TX) is $420,301 — down 3.5% over the past year. Homes sell for a median $362,000 after a median 95 days on market. 3 schools serve the area (NCES). FEMA's National Risk Index rates the county's overall natural-hazard risk Relatively Low, with drought, hail, lightning 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

$420,301

Typical home value

-3.5%

1-year change

95

Median days on market

Relatively Low

Hazard risk (county)

Home values & appreciation

Typical home value
$420,301
1-year appreciation
-3.5%
3-year appreciation
-2.0%
5-year appreciation
+4.5%
10-year appreciation
+69.1%
Peak value since 2000 (Jul 2022)
$451,963
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
$362,000
Median list price
$784,000
Median price per sqft
$247
1-year sale-price change
-40.6%
Median days on market
95 days
Homes sold (recent period)
8
For-sale inventory
55
Sale-to-list ratio
94.9%
Active listings
12
1-year forecast
+0.7%
New listings (monthly)
6

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

Rents

Studio fair-market rent
$771/mo
1BR fair-market rent
$775/mo
2BR fair-market rent
$1,014/mo
3BR fair-market rent
$1,362/mo
4BR fair-market rent
$1,461/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
3
Elementary schools
1
Middle schools
1
High schools
1
Avg student-teacher ratio
11.8 : 1
Schools include
HARPER H S, HARPER EL, HARPER MIDDLE

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

Natural hazards & flood risk

Overall hazard risk (county)
Relatively Low
Top hazards (county)
drought, hail, lightning, tornado, winter weather
Notable hazard ratings (county)
hail: Relatively Moderate · drought: Relatively Moderate · tornado: Relatively Moderate · lightning: Relatively Moderate · winter weather: Relatively Moderate · cold wave: Relatively Low
Wildfire risk to homes (county)
Higher than 78% of US counties
Buildings in wildfire direct-exposure zone
81.5%
Radon potential (county)
Low radon potential — EPA Zone 3 of 3
EPA Superfund (NPL) sites within 5 mi
None
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)

Annual precipitation
31.8 in
Annual snowfall
0.2 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)

Amenities

National parks within ~60 mi
1
Nearest national park
Lyndon B Johnson National Historical Park (40 mi)
Airports within 30 mi
44
Nearest airport
Cielo Grande Ranch Airport (4 mi)
Nearest major airport
Kimble County Airport (JCT) (35 mi)
Hospitals in or near this ZIP
4
Hospitals include
PETERSON REGIONAL MEDICAL CENTER, HILL COUNTRY MEMORIAL HOSPITAL, KIMBLE HOSPITAL
Avg hospital rating (CMS)
4.0 / 5
Best hospital rating nearby (CMS)
4.0 / 5
Solar radiation rating
Good (4.9 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)
+110 tax filers

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

Housing stock

Median year housing built
2002
Housing built before 1970
12.0%
Housing built 2000 or later
57.7%
Median annual property tax
$1,760
Households with broadband internet
53.3%

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

Employment & development

Total county employment
11,297
Average weekly wage
$1,000
Top industries (by employment)
Accommodation & Food, Health Care, Construction
Annual residential building permits (county)
51

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

How it compares

ZIP 78631State medianUS median
Typical home value$420,301$260,760$288,527
Median sale price$362,000$285,000$325,000
Median days on market95 days71 days51 days
Median annual property tax$1,760$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 78631?
$420,301.
What is the median sale price in ZIP 78631?
$362,000.
How long do homes take to sell in ZIP 78631?
Median days on market: 95 days.
What is typical rent in ZIP 78631?
2-bedroom fair-market rent: $1,014/month (HUD FMR — a 40th-percentile regulatory reference, not market-observed).
What is the natural-hazard risk in ZIP 78631?
Overall risk: Relatively Low (FEMA NRI, county-level). Top hazards: drought, hail, lightning, tornado, winter weather.
What is the wildfire risk in ZIP 78631?
Risk to homes is higher than 78% of US counties (USDA Forest Service Wildfire Risk to Communities, county-level).
What is the radon potential in ZIP 78631?
Low radon potential — EPA Zone 3 of 3, county-level. EPA recommends testing every home regardless of zone.
Are there Superfund sites near ZIP 78631?
No current or proposed National Priorities List sites within 5 miles (EPA).
How many schools serve ZIP 78631?
3 schools (1 elementary, 1 middle, 1 high) (NCES, 2024-25).
What is the cost of living in ZIP 78631?
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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