| ZIP Codes: | 11 ZIP Codes (6 Standard, 5 PO Box, 0 Unique) [See All] |
| Area Codes: | 281 / 346 / 409 / 832 / 936 |
| Timezone: | Central (GMT -06:00) |
| Local Time: | 2:13:58 PM |
| Population: | 120,658 [See All] |
| FIPS: | 48291 |
| CBSA: | Houston-Pasadena-The Woodlands, TX |
| Land Area: | 1,360 sq mi |
| Water Area: | 21 sq mi |
| Coordinates: | 30.2074, -94.7805 |
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120,658 residents live across 11 ZIPs covering 1,360 sq mi, served by 10 distinct USPS-recognized cities.
Population moved from 90,681 to 120,523 from 2014 to 2024 — a +32.9% change. 4 ZIPs gained residents, 6 lost.
The county's wealthiest ZIP 77535 (Dayton, $84,497 median) and poorest ZIP 77369 (Rye, $45,909) are 29.5 miles apart — a 1.8× income gap across local geography.
Median home values vary 2.8× across this county — from $79,200 in 77369 (Rye) to $225,200 in 77535 (Dayton).
Density varies 8045× across the county — from 7 people/sq mi in 77538 (Devers) to 52,714 in 77369 (Rye).
Educational attainment ranges from 4.5% bachelor's+ in 77538 (Devers) to 15.3% in 77533 (Daisetta) — the breadth of educational profiles across the area.
Within Texas, this is the #39 most populous of 254 counties and ranks #155 for median household income with the #16 fastest decade growth .
On the national stage, Liberty County is and #44 for decade growth .
Weighted by population, the typical household earns about $68,804 across the county — reflecting what a typical resident sees, not a simple ZIP average.
12.2% of adults age 25+ hold a bachelor's degree or higher (9,017 of 74,060 reporting).
6 Standard delivery, 5 PO Box only, 0 single-entity Unique ZIPs serve this county.
Liberty County grew 33.1% over the past decade — concentrated in 2 high-growth ZIPs:
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.
| ZIP | City | Type | Population | Median Income | Area (sq mi) | 10-yr Growth |
|---|---|---|---|---|---|---|
| 77327 | Cleveland | Standard | 42,685 | $62,219 | 375.9 | 102.4% |
| 77535 | Dayton | Standard | 39,504 | $84,497 | 318.6 | 27.7% |
| 77328 | Cleveland | Standard | 17,208 | $62,428 | 175.3 | -0.7% |
| 77575 | Liberty | Standard | 16,613 | $57,056 | 264.6 | -0.7% |
| 77564 | Hull | Standard | 1,806 | $56,275 | 82.4 | -2.3% |
| 77533 | Daisetta | PO Box | 1,016 | $65,557 | 3.2 | 16.0% |
| 77538 | Devers | Standard | 917 | $78,482 | 139.9 | -5.2% |
| 77369 | Rye | PO Box | 738 | $45,909 | 0.0 | 2.6% |
| 77582 | Raywood | PO Box | 135 | — | 0.0 | — |
| 77561 | Hardin | PO Box | 36 | — | 0.0 | -53.8% |
| 77368 | Romayor | PO Box | 0 | — | 0.0 | -100.0% |