ZIP Code 99788 — Chalkyitsik CDP, AK Demographics & Data

ZIP code 99788 covers Chalkyitsik, AK in Yukon-Koyukuk Census Area with a population of about 103.

At a glance, the area shows median age of 29.9 versus a U.S. median of about 38.9.

It sits in telephone area code 907; U.S. House district AK-00.

Chalkyitsik, AK reads as a military / base-oriented community on US5’s intent model (elevated veteran share (23.9%) 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 99788 is about $45,000 — about 40% below the U.S. median ($75,149).

On socioeconomic markers, US5 shows a poverty rate of 57.3%; unemployment rate near 0.0%; 11.9% of adults with a bachelor’s degree or higher (about 21.8 points below the national share (33.7%)).

Labor and commute patterns include leading industry context around Public administration, Manufacturing, and Education; about 7.0% of workers reporting work-from-home (about 8.2 points below the U.S. share (15.2%)); a mean commute of about 40.0 minutes (U.S. average near 26.8).

Median home value is about $32,500 — about 91% below the U.S. median home value ($348,079).

Housing tenure and rents show owner-occupancy near 89.5% (about 24.1 points above the national owner-occupancy rate (65.4%)).

To comfortably buy a median-priced home in ZIP 99788 in Chalkyitsik, AK, a household would need roughly $9,000 in annual income under a 20% down, 30-year loan at 6.8% (illustrative), keeping housing costs near 28% of income. Estimated monthly PITI is about $209. That sits below the local median household income ($45,000), suggesting the typical household income is closer to a workable buy-in level under these assumptions. Rates, taxes, insurance, and HOA fees vary — treat this as a planning estimate, not a lender quote.

IRS migration statistics show a net inflow of about 4 for ZIP 99788 (Chalkyitsik CDP, AK) 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.