Buchanan Dam ZIP Code List — Llano County, TX

There is one unique ZIP code in Buchanan Dam, Texas and it is 78609. Area code: 512.

ZIP codes

15.88

sq mi land

12.03

sq mi water

512

area code

Buchanan Dam, TX ZIP code map

About Buchanan Dam, TX

Buchanan Dam is a quaint city located in Texas, known for its serene environment and proximity to the beautiful Lake Buchanan. This small city offers a unique blend of natural beauty and community charm, making it an attractive destination for both residents and visitors alike. With a rich history and a recreational atmosphere, Buchanan Dam provides a peaceful escape from the hustle of larger urban areas.

Location & geography

Located in Llano County, Buchanan Dam is positioned in the central part of Texas. Neighboring cities include Kingsland, which is approximately 9 miles to the southeast, Llano at about 20 miles to the northwest, Burnet around 17 miles to the southwest, and Marble Falls approximately 22 miles to the south. The city encompasses a total land area of 15.88 square miles, with an additional 12.03 square miles of water, primarily from the adjacent Lake Buchanan.

Community & economy

Buchanan Dam is characterized by its close-knit community and a tranquil lifestyle that appeals to those looking to escape the busyness of city life. The local economy is influenced by tourism, particularly from visitors seeking recreational activities on Lake Buchanan. Residents enjoy a laid-back daily life, with opportunities for fishing, boating, and enjoying the picturesque landscapes that surround the area.

Transportation

Buchanan Dam is served primarily by State Highway 29, which provides convenient access to other cities in central Texas. The nearest major airport is the Killeen-Fort Hood Regional Airport, located about 65 miles to the northeast, while local transit options are limited, emphasizing the city's rural charm.

History

Buchanan Dam was established in the mid-20th century, largely due to the construction of the dam itself, which was completed in 1939 to control the floodwaters of the Colorado River and provide a water supply for agricultural and recreational use. Key industries in the early days revolved around agriculture and the tourism sector, with the lake attracting fishing and boating enthusiasts. Over the years, the city's growth has been shaped by the influx of visitors and the development of nearby recreational facilities.

Did you know?

A little-known fact about Buchanan Dam is that it was once known for having one of the tallest dams in Texas at the time of its construction. Additionally, the area is often overlooked in favor of more prominent tourist spots, making it a hidden gem for those seeking outdoor activities and scenic views.

ZIP codes for Buchanan Dam, TX (1)

ZIP code	City	County	Map
78609	Buchanan Dam	Llano	View map

Demographics & statistics

1,880

Population

63.2

Median age

$67,578

Median household income

$44,418

Per capita income

$260,600

Median home value

$989

Median monthly rent

82.5%

Home ownership

4.2%

Poverty rate

0.1%

Unemployment

1,151

Housing units

27.2%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

10–14

15–19

20–24

25–34

35–44

45–54

55–59

105

60–64

314

65–74

281

101

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	281	14.9%
18 and over	1,599	85.1%
65 and over	835	44.4%
Median age	63.2 years

Race & ethnicity

White 90.6%

Two or more races 5.2%

Hispanic or Latino 2.6%

American Indian / Alaska Native 1%

Other race 0.3%

Asian 0.2%

Group	Count	%
White	1,750	90.6%
Two or more races	101	5.2%
Hispanic or Latino	51	2.6%
American Indian / Alaska Native	19	1%
Other race	6	0.3%
Asian	4	0.2%

Household income

Under $10k 4.9%

$15k–$25k 4.6%

$25k–$35k 15.4%

$35k–$50k 8.3%

$50k–$75k 19.8%

$75k–$100k 10.4%

$100k–$150k 23.1%

$150k–$200k 7.0%

$200k+ 6.6%

Range	% of households
Under $10k	4.9%
$15k–$25k	4.6%
$25k–$35k	15.4%
$35k–$50k	8.3%
$50k–$75k	19.8%
$75k–$100k	10.4%
$100k–$150k	23.1%
$150k–$200k	7.0%
$200k+	6.6%
Median income	$67,578

Housing

Home values

Under $50k 7.8%

$50k–$100k 6.7%

$100k–$150k 10.7%

$150k–$200k 17.8%

$200k–$300k 16.4%

$300k–$500k 18.9%

$500k–$1M 19.2%

$1M+ 2.5%

Housing overview

Metric	Value
Median home value	$260,600
Median rent / month	$989
Owner occupied	82.5%
Renter occupied	17.5%
Vacant	36.7%
Single-family detached	69.6%
Large apartment buildings	0.0%
Mobile homes	23.2%
Median rooms	5.7
Avg household size (owned)	2.25

Year built

Era	%
2020 or later	0.2%
2010–2019	4.1%
2000–2009	11.9%
1990–1999	30.3%
1980–1989	18.8%
1970–1979	18.5%
1960–1969	10.4%
1950–1959	5.7%
1940–1949	0.0%
1939 or earlier	0.0%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	10.7%
2 bedrooms	33.3%
3 bedrooms	41.7%
4 bedrooms	10.7%
5+ bedrooms	3.6%

Vehicles per household

Vehicles	% of households
No vehicle	3.3%
1 vehicle	25.2%
2 vehicles	41.1%
3 or more	30.4%

Heating fuel

Fuel type	%
Utility gas	1.0%
Electricity	83.2%
Propane / LP gas	14.8%
Wood	1.1%

Households & families

Household type	Count	%
Married-couple family	529	64.6%
Cohabiting couple	42	5.1%
Male householder, no spouse	167	20.4%
Female householder, no spouse	81	9.9%
Households with children under 18	92	11.2%
Households with seniors (65+)	534	65.2%
Average household size	2.30

Marital status

Status	Male	Female
Never married	14.9%	6.6%
Married	65.9%	71.0%
Separated	1.3%	0.4%
Widowed	3.1%	14.6%
Divorced	14.9%	7.4%

Education

Less than 9th grade 0.7%

Some HS, no diploma 1.9%

HS graduate 33.1%

Some college, no degree 31.4%

Associate's degree 5.6%

Bachelor's degree 10.8%

Graduate / professional 16.5%

Metric	%
HS diploma or higher	97.4%
Bachelor's or higher	27.2%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	16	11.4%
Kindergarten	0	0.0%
Elementary school	93	66.4%
High school	23	16.4%
College / grad school	8	5.7%

Employment

Industry of employment

Construction 16.5%

Retail trade 11.6%

Finance & real estate 11.3%

Arts, food & hospitality 11.0%

Other services 10.9%

Agriculture & mining 10.2%

Public administration 8.1%

Transportation & utilities 5.1%

Professional & management 5.1%

Education & healthcare 5.1%

Manufacturing 4.4%

Information 0.8%

Occupation

Category	%
Management, business & arts	24.0%
Service	13.4%
Sales & office	26.4%
Natural resources & construction	20.3%
Production & transportation	15.8%

Employment type

Type	%
Private sector	64.0%
Government	17.2%
Self-employed	18.1%
Unpaid family workers	0.7%

Commute

Method	%
Drive alone	83.7%
Carpool	6.2%
Public transit	0.0%
Walk	4.6%
Other means	0.0%
Avg commute (minutes)	33.6

Poverty

All people 4.2%

Under 18 years 0.7%

18 and over 4.8%

Married-couple families 4.0%

Female-led households 0.0%

Income support

Source	% of households
Social Security	58.2%
Retirement income	49.3%
Supplemental Security	2.2%
Cash public assistance	0.9%
Food stamps / SNAP	7.6%

Health indicators

Condition	%
High blood pressure	47.8%
High cholesterol	45.3%
Heart disease	11.2%
Stroke	4.8%
Asthma	9.0%
Arthritis	34.6%
Kidney disease	4.4%
Pulmonary disease	10.9%
Cancer	10.3%

Behavior / access	%
Binge drinking	14.3%
No physical activity	26.6%
Less than 7 hrs sleep	31.3%
Fair or poor health	20.2%
Poor mental health	13.4%
Poor physical health	14.2%
No health insurance	19.5%
Visited doctor (checkup)	77.1%
Visited dentist	56.4%
Cholesterol screening	93.5%
Teeth loss	15.0%

Veterans & disability

Veterans	Count	%
Civilian veterans	275	17.2%

Disability	%
Any disability	20.5%
Under 18	0.0%
18–64 years	15.4%
65 and over	32.1%

Health insurance coverage

Type	%
Private insurance	63.1%
Public insurance	55.3%
Uninsured under 19	8.2%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	1,715	91.2%
Spanish	47	2.7%
Other Indo-European	47	2.7%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	1,792	95.3%
Born in same state	1,785	94.9%
Born in different state	1,205	64.1%
Foreign born	7	0.4%
Naturalized citizen	88	4.7%
Not a US citizen	42	47.7%

Ancestry

Ancestry	Count	%
French	371	19.7%
Arab	157	8.4%
Italian	123	6.5%

Ancestry	Count	%
Polish	33	1.8%
Dutch	13	0.7%
English	7	0.4%

Technology access

Metric	% of households
Computer access	43.6%
Internet access	93.0%

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

Frequently asked questions

What is the ZIP code for Buchanan Dam, TX?

Buchanan Dam, TX has one ZIP code: 78609.

What is the main ZIP code for Buchanan Dam, TX?

The primary ZIP code for Buchanan Dam, TX is 78609. The city uses area code 512 for phone service.

What county is Buchanan Dam, TX in?

Buchanan Dam is located in Llano County, Texas.

How many ZIP codes are in Buchanan Dam, TX?

Buchanan Dam, TX has 1 ZIP code.

What is the ZIP code for the Buchanan Dam area near Lake Buchanan in Llano County?

The Buchanan Dam area, including properties near Lake Buchanan, uses ZIP code 78609.

What ZIP code should I use when mailing correspondence to businesses in downtown Buchanan Dam, TX?

All mail and business correspondence in Buchanan Dam should be addressed to ZIP code 78609.