ZIP Code 78563 — Linn CDP, TX Demographics & Data

ZIP code 78563 covers Linn, TX in Hidalgo County with a population of about 62.

At a glance, the area shows median age of 60.8 versus a U.S. median of about 38.9.

It sits in telephone area code 956; U.S. House district TX-15; the HARLINGEN - WSLCO - BRNSVL - MCA media market.

Linn, TX reads as a military / base-oriented community on US5’s intent model (elevated veteran share (29.0%) and/or base-related place names). Service members and families often look up Basic Allowance for Housing (BAH) rates, on-base mail (PSC / P.O. Box) addresses, and nearby ZIP demographics when relocating.

US5 shows 2026 DoD BAH locality rates for this ZIP’s Military Housing Area on this page (pay grade × with/without dependents). Treat the table as a planning reference and confirm entitlement with your finance office or the official DTMO BAH lookup.

Median household income in ZIP 78563 is about $67,639 — about 10% below the U.S. median ($75,149).

On socioeconomic markers, US5 shows a poverty rate of 8.1%; unemployment rate near 27.8%; 8.1% of adults with a bachelor’s degree or higher (about 25.6 points below the national share (33.7%)).

Labor and commute patterns include leading industry context around Healthcare and Finance and insurance; a mean commute of about 13.0 minutes (U.S. average near 26.8).

Housing tenure and rents show owner-occupancy near 82.3% (about 16.9 points above the national owner-occupancy rate (65.4%)).

FEMA’s National Risk Index rates natural-hazard risk for Linn CDP, TX as Relatively High (composite score 99.0), which is among the highest nationally. The strongest component scores on US5 are hurricane (99.5) and flood (96.4). These scores are county-linked NRI values published for planning context — all ZIP codes in the same county share the same composite score on US5. Useful when comparing insurance and disaster exposure across areas, not a substitute for a parcel-level flood or fire determination.

Climate normals for Linn CDP, TX show little to no average snow and around 19.8 inches of annual precipitation.

IRS migration statistics show a net inflow of about 3 for ZIP 78563 (Linn CDP, TX) on US5’s published series — a signal of people/tax filers moving in relative to those leaving. Inflows often track job growth, housing demand, or lifestyle migration; treat the figure as a directional indicator rather than a precise headcount.