PlainZIP

Buchanan Dam, TX · standard

ZIP Code 78609

Llano County, Texas - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.

2,012
33/sq mi
$64,418
Median income
$319,700
Median home value
25.2%
Bachelor's or higher

The verdict

Buchanan Dam pairs a below-median household income with above-median home values, in a rural, homeowner-dominated area.

37th pct
household income, US ZIPs
Top 31%
home value, US ZIPs
33
people per sq mi
73%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 78609 against every reporting US ZIP.

ZIP code 78609 covers 60.8 square miles in Buchanan Dam, Llano County, Texas (a standard USPS delivery area), with a modest 2,012 residents on file, a density of 33 people per square mile, in the Chicago time zone.

ZIP 78609 reports a modest median household income of $64,418 (15% below the Texas average), while per-capita income is $44,331. 17.7% of residents live below the poverty line, and the unemployment rate reads 0.0%. Median home value sits at $319,700 (29% above the state average), median rent at $651 a month, and owner-occupancy at 73.2%.

Educational attainment sits below the national norm: 25.2% of adults hold a bachelor's degree or higher, the median age is 60.4, and the average commute is -. A geography-based comparison follows: 3 ZIP codes within about 10 miles of 78609, plus 6 more within Llano County, give a clearer read than the national average alone.

Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →

Top industries in ZIP 78609

Top 5 sectors by establishment count in Buchanan Dam, TX

Which industries have the most business establishments in ZIP 78609.

establishments

What this shows Establishment counts come from the Census ZIP Code Business Patterns program, which counts physical business locations rather than employees or revenue.

Source U.S. Census Bureau · ZIP Code Business Patterns (ZBP) As of 2023

Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, FHFA HPI for ZIP 78609, Buchanan Dam, TX · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; FHFA HPI updated quarterly/annually.

Quick Facts

2,012

Population

60.8

Area (sq mi)

33

People / sq mi

Chicago

Time Zone

standard

ZIP Type

Neighborhood Scorecard
Get an A-F grade across income, safety, housing, rent, education, commute, and childcare for this ZIP code.
View Scorecard →

Who lives in ZIP 78609?

60.4

Median Age

50.8%

Male

49.2%

Female

0.4%

Foreign-Born

White 89.8%
African American 0.7%
Asian 0.0%
American Indian or Alaska Native 1.2%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 7.5%
Hispanic or Latino 8.0%

Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How much do residents earn?

$64,418

Median Household Income

-15% vs state

$44,331

Per Capita Income

17.7%

Poverty Rate

0.0%

Unemployment Rate

How ZIP 78609 ranks nationally

Buchanan Dam, TX household income vs. every US ZIP code

Median household income, the full national distribution, with this ZIP marked

$64,418 37th percentile higher than 37% of 30,318 US ZIPs

$0–$20,000: 118 US ZIPs (0%). Below this entry. $20,000–$40,000: 1,573 US ZIPs (5%). Below this entry. $40,000–$60,000: 7,092 US ZIPs (23%). Below this entry. $60,000–$80,000: 9,980 US ZIPs (33%). This entry sits in this band. $80,000–$100,000: 5,778 US ZIPs (19%). Above this entry. $100,000–$120,000: 2,855 US ZIPs (9%). Above this entry. $120,000–$140,000: 1,362 US ZIPs (4%). Above this entry. $140,000–$160,000: 686 US ZIPs (2%). Above this entry. $160,000–$180,000: 364 US ZIPs (1%). Above this entry. $180,000–$200,000: 186 US ZIPs (1%). Above this entry. $200,000–$220,000: 324 US ZIPs (1%). Above this entry. This ZIP $0 $200K+ every reporting US ZIP, bucketed by value

Each bar is a $20K-wide band; taller bars hold more US ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source U.S. Census Bureau, ACS 5-Year Estimates · 2019–2023

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What is the education profile here?

High School Graduate or Higher 53.8%
Bachelor's Degree or Higher 25.2%

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What does housing look like?

1,354

Total Housing Units

1,065

Occupied Units

289

Vacant Units

1.86

Avg Household Size

Occupancy Type

Owner 73.2%
Renter 26.8%

$319,700

Median Home Value

+29% vs state

$651

Median Rent

1985

Median Year Built

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What businesses operate in this ZIP?

Census Bureau data shows 46 business establishments in ZIP 78609, employing approximately 248 people with a combined annual payroll of $10,392,000.

46

Businesses

248

Employees

$10.4M

Annual Payroll

7

Industry Sectors

Industry Establishments % of Total
Other services (except public administration) 12 26.1%
Construction 7 15.2%
Accommodation and food services 7 15.2%
Manufacturing 4 8.7%
Retail trade 3 6.5%
Real estate and rental and leasing 3 6.5%
Administrative and support and waste management and remediation services 3 6.5%

Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.

Nearby ZIP Codes

Want a side-by-side? Compare 78609 vs 78607 →

ZIP 78609 vs its nearest neighbors, by population

Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.

residents

What this shows Among its immediate neighbors, ZIP 78609 ranks #2 by population - useful context the national average alone can't give.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023

ZIP 78609 vs its nearest neighbors, by median income

Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.

median income

What this shows By household income, ZIP 78609 ranks the highest of 4 neighboring ZIPs, local affluence varies block to block, not just metro to metro.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023
ZIP Code City Population Distance
78607 Bluffton, TX 166 4.5 mi
78639 Kingsland, TX 7,334 6.9 mi
78672 Tow, TX 931 6.8 mi

More ZIP Codes in Llano County

78639 standard
Kingsland, TX
Pop: 7,334
78643 standard
Llano, TX
Pop: 6,139
78657 standard
Horseshoe Bay, TX
Pop: 5,509
78672 standard
Tow, TX
Pop: 931
78607 standard
Bluffton, TX
Pop: 166
76885 standard
Valley Spring, TX
Pop: 154

Related Areas

Llano County Buchanan Dam, TX Texas

Frequently Asked Questions

What county is ZIP code 78609 in? ▼
ZIP code 78609 (Buchanan Dam) is located in Llano County, Texas. Llano County contains multiple ZIP codes, see the full list at /counties/llano-tx.
What is the population of ZIP code 78609? ▼
ZIP code 78609 in Buchanan Dam, TX has a population of 2,012 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 78609? ▼
The median household income in ZIP 78609 is $64,418, which is 16% below the national average of $76,288.
What is the average home value in ZIP 78609? ▼
The median home value in ZIP 78609 is $319,700, which is 15% above the national average of $278,155.
What is the demographic makeup of ZIP 78609? ▼
The largest racial group in ZIP 78609 is White at 89.8%. Hispanic or Latino residents make up 8.0% of the population.
How many businesses are in ZIP code 78609? ▼
ZIP code 78609 has 46 business establishments employing approximately 248 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 78609? ▼
The top industries by establishment count in ZIP 78609 are: Other services (except public administration) (12), Construction (7), Accommodation and food services (7). There are 7 industry sectors represented in total.
What is the education level in ZIP code 78609? ▼
In ZIP code 78609, 53.8% of residents aged 25+ have a high school diploma or higher, and 25.2% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What percentage of residents own vs. rent in ZIP 78609? ▼
In ZIP code 78609, approximately 73.2% of occupied housing units are owner-occupied and 26.8% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 78609? ▼
The poverty rate in ZIP code 78609 is 17.7% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.

Read our methodology to see how this data is sourced, computed, and verified.