Harper is a community in Kimble County, Texas, home to about 1,214 people across 57 square miles. Its ZIP code is 78631.
Homes sold for a median of $247 per square foot in the three months ending August 2026, a balanced market.
Each card is that ZIP code’s whole market, including any part outside Harper. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Harper’s story and what everyday life there is like, for people thinking about moving in.
Are you a local agent who knows Harper well? Agents who advertise here will be able to write the guide. Advertise on OfferBacked
| Nearest major airport | San Antonio International Airport (SAT)69 miles away |
|---|---|
| Nearest city of 250,000+ | San Antonio, TX71 miles away |
Straight-line distances from the center of Harper; driving is longer.
Source: Airports from OurAirports (scheduled passenger service); city centers and populations from the U.S. Census Bureau.
Source: Members of Congress from the congress-legislators project; districts from the Census Bureau’s relationship files; governor and mayor from Wikidata.
Harper had 1,332 residents in the 2020 census, up 32% since 2000.
It’s the 938th largest of 1,778 towns in Texas by population.
Kimble County grew from 2,503 residents in 1900 to 4,286 in 2020.
Kimble County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 93°F in summer, and winter lows average 34°F. About 28.3 inches of rain and melted snow fall in a typical year.
Source: NOAA 1991–2020 climate normals, Harper 3ene, TX weather station (3 miles away).
922 jobs at 136 businesses in Kimble County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
3 doctors and other health care providers list an office in Harper.
Nearest hospitals
Providers with an office here
| Specialist doctors | 1 |
|---|---|
| Mental health providers | 1 |
| Physical and occupational therapists | 1 |
Source: Hospitals from CMS Hospital General Information (ratings are CMS overall star ratings); straight-line distances; providers from the CMS National Plan and Provider Enumeration System (NPPES), by practice address and primary specialty.
Parks (1 nearby)
Museums (1 nearby)
Counts are within about 5 miles of the center of town.
Source: Map data © OpenStreetMap contributors (openstreetmap.org/copyright), as mapped by volunteers; it can miss places or include closed ones.
Public schools here are run by Harper ISD. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Harper ElHarper | Pre-K–4 | 223 | Public | 1.4 mi |
| Harper MiddleHarper | 5–8 | 197 | Public | 1.3 mi |
| Harper H SHarper | 9–12 | 171 | Public | 1.3 mi |
Source: U.S. Department of Education, NCES: Common Core of Data (2024-2025) for public schools. Listed by address; we don’t rate schools.
Buying or selling around Harper? Tell us what you need and when. No agents advertise here yet, so we’ll keep your request for up to 30 days and send it to local agents who join. No obligation, and you choose who to work with.
Loading map…
Town boundaries don’t always match ZIP codes: a ZIP code can cross into neighboring towns, and a town can share a ZIP code with its neighbors. Facts describe the town itself; market figures describe whole ZIP codes.