Sour Lake ZIP Code List — Hardin County, TX

There is one unique ZIP code in Sour Lake, Texas and it is 77659. Area code: 409/936.

ZIP codes

118.33

sq mi land

1.16

sq mi water

409/936

area code

Sour Lake, TX ZIP code map

About Sour Lake, TX

Sour Lake, Texas is a small yet vibrant city located in Hardin County. Known for its rich history and natural beauty, Sour Lake offers a unique blend of small-town charm and Texan hospitality. The city is characterized by its close-knit community and an atmosphere where local traditions thrive.

Location & geography

Sour Lake is situated in the eastern part of Texas, approximately 15 miles northwest of Beaumont and about 25 miles from the larger city of Port Arthur. The city encompasses a total area of 119.49 square miles, including 118.33 square miles of land and 1.16 square miles of water. The terrain features a mix of wooded areas and open landscapes, providing an ideal backdrop for outdoor recreation.

Community & economy

The community in Sour Lake is known for its friendly residents and a strong sense of belonging. Local industries often revolve around oil production and tourism, with visitors drawn to the area's natural hot springs, which were historically used for their therapeutic benefits. Daily life in Sour Lake is marked by community events and gatherings that celebrate local culture and heritage.

Transportation

Sour Lake is conveniently accessible via U.S. Highway 90, which connects it to neighboring cities and regional destinations. The nearest major airport is Jack Brooks Regional Airport located in nearby Beaumont, providing additional transit options for residents and visitors. Local roadways are well-maintained, ensuring ease of travel throughout the area.

History

Sour Lake was established in the 19th century, with its early growth primarily driven by the discovery of oil in the region. The city has since developed a reputation for its hot springs, which became a notable attraction for health seekers in the early 1900s. Over the years, Sour Lake has experienced various changes but has maintained its unique character and strong community ties.

Did you know?

A surprising fact about Sour Lake is its historical significance as a healing destination due to its mineral-rich hot springs, attracting visitors from afar. Additionally, the city is home to several annual events that highlight its cultural heritage and strengthen community bonds.

ZIP codes for Sour Lake, TX (1)

ZIP code	City	County	Map
77659	Sour Lake	Hardin	View map

Demographics & statistics

6,305

Population

33.5

Median age

$93,780

Median household income

$30,892

Per capita income

$187,600

Median home value

$1,176

Median monthly rent

88.0%

Home ownership

15.4%

Poverty rate

6.6%

Unemployment

1,918

Housing units

25.2%

Bachelor's or higher

Age distribution

Male Female

211

Under 5

186

482

5–9

424

221

10–14

194

314

15–19

277

217

20–24

191

286

25–34

251

595

35–44

523

383

45–54

338

150

55–59

132

147

60–64

129

245

65–74

215

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	2,159	34.2%
18 and over	4,146	65.8%
65 and over	654	10.4%
Median age	33.5 years

Race & ethnicity

White 85.5%

Hispanic or Latino 5.1%

Two or more races 4.3%

Black or African American 2.6%

Other race 1.4%

Asian 1%

Group	Count	%
White	5,683	85.5%
Hispanic or Latino	340	5.1%
Two or more races	289	4.3%
Black or African American	173	2.6%
Other race	95	1.4%
Asian	65	1%

Household income

Under $10k 1.7%

$10k–$15k 3.6%

$15k–$25k 12.9%

$25k–$35k 3.2%

$35k–$50k 2.9%

$50k–$75k 18.1%

$75k–$100k 11.9%

$100k–$150k 26.1%

$150k–$200k 15.4%

$200k+ 4.3%

Range	% of households
Under $10k	1.7%
$10k–$15k	3.6%
$15k–$25k	12.9%
$25k–$35k	3.2%
$35k–$50k	2.9%
$50k–$75k	18.1%
$75k–$100k	11.9%
$100k–$150k	26.1%
$150k–$200k	15.4%
$200k+	4.3%
Median income	$93,780

Housing

Home values

Under $50k 8.6%

$50k–$100k 19.5%

$100k–$150k 12.7%

$150k–$200k 12.9%

$200k–$300k 26.0%

$300k–$500k 18.3%

$500k–$1M 2.1%

Housing overview

Metric	Value
Median home value	$187,600
Median rent / month	$1,176
Owner occupied	88.0%
Renter occupied	12.0%
Vacant	10.6%
Single-family detached	76.3%
Large apartment buildings	0.1%
Mobile homes	20.8%
Median rooms	6.2
Avg household size (owned)	3.36

Year built

Era	%
2020 or later	2.2%
2010–2019	13.6%
2000–2009	14.8%
1990–1999	13.7%
1980–1989	17.3%
1970–1979	14.4%
1960–1969	12.0%
1950–1959	6.3%
1940–1949	3.4%
1939 or earlier	2.3%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	3.3%
2 bedrooms	13.7%
3 bedrooms	59.1%
4 bedrooms	17.4%
5+ bedrooms	6.5%

Vehicles per household

Vehicles	% of households
No vehicle	3.0%
1 vehicle	21.4%
2 vehicles	47.5%
3 or more	28.1%

Heating fuel

Fuel type	%
Utility gas	12.6%
Electricity	85.6%
Propane / LP gas	1.8%

Households & families

Household type	Count	%
Married-couple family	1,334	69.4%
Cohabiting couple	74	3.9%
Male householder, no spouse	222	11.6%
Female householder, no spouse	291	15.1%
Households with children under 18	1,161	60.4%
Households with seniors (65+)	426	22.2%
Average household size	3.28

Marital status

Status	Male	Female
Never married	32.7%	17.0%
Married	57.8%	60.9%
Separated	2.5%	1.2%
Widowed	2.1%	7.3%
Divorced	4.8%	13.5%

Education

Less than 9th grade 4.5%

Some HS, no diploma 10.8%

HS graduate 32.8%

Some college, no degree 20.0%

Associate's degree 6.7%

Bachelor's degree 17.9%

Graduate / professional 7.2%

Metric	%
HS diploma or higher	84.7%
Bachelor's or higher	25.2%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	134	6.8%
Kindergarten	191	9.7%
Elementary school	969	49.4%
High school	529	27.0%
College / grad school	138	7.0%

Employment

Industry of employment

Education & healthcare 16.1%

Arts, food & hospitality 12.9%

Retail trade 11.2%

Construction 10.2%

Finance & real estate 9.4%

Professional & management 8.5%

Transportation & utilities 7.6%

Manufacturing 7.2%

Wholesale trade 6.1%

Other services 5.8%

Public administration 4.4%

Information 0.3%

Agriculture & mining 0.2%

Occupation

Category	%
Management, business & arts	31.8%
Service	18.0%
Sales & office	29.6%
Natural resources & construction	12.0%
Production & transportation	8.7%

Employment type

Type	%
Private sector	77.5%
Government	16.8%
Self-employed	5.7%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	80.0%
Carpool	11.9%
Public transit	0.0%
Walk	0.3%
Other means	0.9%
Avg commute (minutes)	29.7

Poverty

All people 15.4%

Under 18 years 14.9%

18 and over 15.7%

Married-couple families 8.4%

Female-led households 31.2%

Income support

Source	% of households
Social Security	25.2%
Retirement income	19.7%
Supplemental Security	12.9%
Cash public assistance	0.7%
Food stamps / SNAP	14.5%

Health indicators

Condition	%
High blood pressure	35.9%
High cholesterol	36.7%
Heart disease	6.6%
Stroke	2.9%
Asthma	9.2%
Arthritis	24.7%
Kidney disease	2.8%
Pulmonary disease	7.3%
Cancer	6.7%

Behavior / access	%
Binge drinking	19.3%
No physical activity	23.9%
Less than 7 hrs sleep	33.5%
Fair or poor health	15.1%
Poor mental health	15.5%
Poor physical health	11.1%
No health insurance	20.4%
Visited doctor (checkup)	70.7%
Visited dentist	59.4%
Cholesterol screening	89.5%
Teeth loss	13.2%

Veterans & disability

Veterans	Count	%
Civilian veterans	236	5.7%

Disability	%
Any disability	13.3%
Under 18	9.4%
18–64 years	11.8%
65 and over	33.8%

Health insurance coverage

Type	%
Private insurance	61.3%
Public insurance	24.8%
Uninsured under 19	18.2%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	5,908	93.7%
Spanish	142	2.4%
Other Indo-European	103	1.7%
Asian & Pacific Islander	0	0.0%
Other languages	39	0.7%

Place of birth & citizenship

Origin	Count	%
Native born (US)	6,146	97.5%
Born in same state	6,090	96.6%
Born in different state	5,124	81.3%
Foreign born	56	0.9%
Naturalized citizen	159	2.5%
Not a US citizen	55	34.6%

Ancestry

Ancestry	Count	%
Italian	791	12.5%
Arab	670	10.6%
French	417	6.6%
German	69	1.1%

Ancestry	Count	%
Polish	22	0.3%
Irish	4	0.1%
English	4	0.1%

Technology access

Metric	% of households
Computer access	30.5%
Internet access	97.6%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions

What is the ZIP code for Sour Lake, TX?

Sour Lake, TX has one ZIP code: 77659.

What is the main ZIP code for Sour Lake, TX?

The primary ZIP code for Sour Lake, TX is 77659. The city uses area code 409 or 936 for phone service.

What county is Sour Lake, TX in?

Sour Lake is located in Hardin County, Texas.

How many ZIP codes are in Sour Lake, TX?

Sour Lake, TX has 1 ZIP code.

What ZIP code should I use when mailing packages to businesses in downtown Sour Lake?

All mail to downtown Sour Lake and the central business district should be addressed to ZIP code 77659, which is the sole ZIP code serving the city.

What is the ZIP code for the Sour Lake area near the historic oil field district in Hardin County?

The ZIP code 77659 covers the entire Sour Lake area, including the historic oil field regions that were significant to the city's development.