| ZIP Codes: | 10 ZIP Codes (7 Standard, 3 PO Box, 0 Unique) [See All] |
| Area Codes: | 361 / 956 |
| Timezone: | Central (GMT -06:00) |
| Local Time: | 2:14:04 PM |
| Population: | 269,130 [See All] |
| FIPS: | 48479 |
| CBSA: | Laredo, TX |
| Land Area: | 3,108 sq mi |
| Water Area: | 9 sq mi |
| Coordinates: | 27.5703, -99.2252 |
| Quick Link: |
269,130 residents live across 10 ZIPs covering 3,108 sq mi, served by 4 distinct USPS-recognized cities.
Population moved from 259,355 to 269,130 from 2014 to 2024 — a +3.8% change. 4 ZIPs gained residents, 5 lost.
The county's wealthiest ZIP 78045 (Laredo, $90,608 median) and poorest ZIP 78040 (Laredo, $36,092) are 26.2 miles apart — a 2.5× income gap across local geography.
Median home values vary 2.1× across this county — from $118,700 in 78040 (Laredo) to $243,900 in 78045 (Laredo).
Density varies 144× across the county — from 39 people/sq mi in 78045 (Laredo) to 5,572 in 78040 (Laredo).
Most of the decade's growth concentrated around Laredo — top growth ZIPs averaged +8.5% over the past ten years ( 78045 , 78046 and 78041 ).
Educational attainment ranges from 8.6% bachelor's+ in 78040 (Laredo) to 35.9% in 78045 (Laredo) — the breadth of educational profiles across the area.
Within Texas, this is the #21 most populous of 254 counties and ranks #102 for median household income .
Weighted by population, the typical household earns about $62,734 across the county — reflecting what a typical resident sees, not a simple ZIP average.
21.4% of adults age 25+ hold a bachelor's degree or higher (32,913 of 154,101 reporting). The most-educated ZIPs cluster around Laredo.
7 Standard delivery, 3 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.
| ZIP | City | Type | Population | Median Income | Area (sq mi) | 10-yr Growth |
|---|---|---|---|---|---|---|
| 78046 | Laredo | Standard | 72,951 | $55,826 | 241.4 | 10.8% |
| 78045 | Laredo | Standard | 67,333 | $90,608 | 1,737.6 | 12.2% |
| 78041 | Laredo | Standard | 46,550 | $61,544 | 39.4 | 2.3% |
| 78043 | Laredo | Standard | 45,760 | $54,396 | 352.3 | 2.2% |
| 78040 | Laredo | Standard | 35,709 | $36,092 | 6.4 | -14.4% |
| 78344 | Bruni | Standard | 295 | $73,250 | 324.1 | -30.8% |
| 78044 | Laredo | PO Box | 220 | — | 105.6 | -27.2% |
| 78369 | Mirando City | Standard | 211 | $120,417 | 172.7 | -39.4% |
| 78371 | Oilton | PO Box | 101 | — | 128.1 | -79.5% |
| 78042 | Laredo | PO Box | — | — | 0.0 | — |