Sour Lake is a city in Hardin County, Texas, home to about 2,130 people across 2.3 square miles. Its ZIP code is 77659.
Homes sold for a median of $147 per square foot in the three months ending August 2026, a seller’s market.
Mostly Sour Lake; also Pinewood Estates
Each card is that ZIP code’s whole market, including any part outside Sour Lake. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Sour Lake’s story and what everyday life there is like, for people thinking about moving in.
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| Nearest major airport | George Bush Intercontinental Airport (IAH)59 miles away |
|---|---|
| Closer regional airport | Jack Brooks Regional Airport (BPT)25 miles away |
| Nearest city of 250,000+ | Houston, TX66 miles away |
Straight-line distances from the center of Sour Lake; 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.
Sour Lake had 1,773 residents in the 2020 census, up 6% since 2000.
It’s the 722nd largest of 1,778 towns in Texas by population.
Hardin County grew from 5,049 residents in 1900 to 56,231 in 2020.
Hardin 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 42°F. About 62.1 inches of rain and melted snow fall in a typical year.
Source: NOAA 1991–2020 climate normals, Beaumont Rsch Ctr, TX weather station (7 miles away).
8,993 jobs at 872 businesses in Hardin County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
8 doctors and other health care providers list an office in Sour Lake.
Nearest hospitals
Providers with an office here
| Primary care doctors | 2 |
|---|---|
| Specialist doctors | 1 |
| Nurse practitioners and physician assistants | 4 |
| Mental health providers | 1 |
| Pharmacies | 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.
Grocery stores
Pharmacies
Libraries
Counts are within about 1 mile 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 Hardin-Jefferson ISD. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Sour Lake ElSour Lake | Pre-K–5 | 720 | Public | 2.1 mi |
| Hardin-Jefferson J HSour Lake Tx | 6–8 | 656 | Public | 3.5 mi |
| Hardin-Jefferson H SSour Lake | 9–12 | 782 | Public | 3.6 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.
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Shares ZIP codes with Pinewood Estates.
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.