Castell, TX · standard
ZIP Code 76831
Llano County, Texas - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 63
- 1/sq mi
ZIP code 76831 is a sparsely populated ZIP (a standard USPS delivery area) in Castell, Llano County, Texas, home to just 63 residents across 105.0 square miles, a density of 1 people per square mile, in the Chicago time zone.
Median household income is not on file for ZIP 76831, but per-capita income is -. Poverty here runs at -, with unemployment measured at -. On housing, the median home value is - with median rent at - per month, and - of occupied units are owner-occupied.
Education and household profile round out the picture: - of adults hold a bachelor's degree or higher, the median age is -, and the average commute is -. To put 76831 in local context, 1 ZIP codes within roughly 10 miles appear further down this page alongside 6 additional ZIPs in Llano County, for a geography-aware comparison.
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 →
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 76831, Castell, 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
63
Population
105.0
Area (sq mi)
1
People / sq mi
Chicago
Time Zone
standard
ZIP Type
Who lives in ZIP 76831?
-
Median Age
-
Male
-
Female
-
Foreign-Born
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What does housing look like?
0
Total Housing Units
0
Occupied Units
0
Vacant Units
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What businesses operate in this ZIP?
Census Bureau data shows 4 business establishments in ZIP 76831, employing approximately 11 people with a combined annual payroll of $496,000.
4
Businesses
11
Employees
$496K
Annual Payroll
0
Industry Sectors
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 76831 vs 76820 →
| ZIP Code | City | Population | Distance |
|---|---|---|---|
| 76820 | Art, TX | 125 | 11.7 mi |
More ZIP Codes in Llano County
Related Areas
Frequently Asked Questions
What county is ZIP code 76831 in? ▼
What is the population of ZIP code 76831? ▼
How many businesses are in ZIP code 76831? ▼
Read our methodology to see how this data is sourced, computed, and verified.