| ZIP Codes: | 4 ZIP Codes (4 Standard, 0 PO Box, 0 Unique) [See All] |
| Area Codes: | 512 / 737 / 830 |
| Timezone: | Central (GMT -06:00) |
| Local Time: | 2:13:51 PM |
| Population: | 43,211 [See All] |
| FIPS: | 48053 |
| Land Area: | 755 sq mi |
| Water Area: | 26 sq mi |
| Coordinates: | 30.7552, -98.1075 |
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43,211 residents live across 4 ZIPs covering 755 sq mi, served by 4 distinct USPS-recognized cities.
Population moved from 36,532 to 43,211 from 2014 to 2024 — a +18.3% change. 4 ZIPs gained residents, 0 lost.
The county's wealthiest ZIP 78605 (Bertram, $83,542 median) and poorest ZIP 78654 (Marble Falls, $74,130) are 15.8 miles apart — a 1.1× income gap across local geography.
Median home values vary 1.7× across this county — from $319,300 in 78611 (Burnet) to $555,800 in 78608 (Briggs).
Density varies 11× across the county — from 8 people/sq mi in 78608 (Briggs) to 89 in 78654 (Marble Falls).
Educational attainment ranges from 16.2% bachelor's+ in 78605 (Bertram) to 50.0% in 78608 (Briggs) — the breadth of educational profiles across the area.
Within Texas, this is the #74 most populous of 254 counties and ranks #57 for median household income with the #31 fastest decade growth .
Weighted by population, the typical household earns about $78,113 across the county — reflecting what a typical resident sees, not a simple ZIP average.
28.2% of adults age 25+ hold a bachelor's degree or higher (8,774 of 31,144 reporting).
4 Standard delivery, 0 PO Box only, 0 single-entity Unique ZIPs serve this county.
A frontier county — vast land area with only a few residents per square mile. Daily life looks very different here than in the country's denser counties.