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Nikiski CDP, AK

ZIP Code 99611 — Nikiski CDP, AK Demographics & Data

Source: U.S. Census Bureau ACS 2019–2023 5-Year Estimates. Page data updated 2026-08-02.

Middle ClassLow Snow Area

Map, Quick Facts & Location

Quick Facts

Local time
Population
16,028
Median Income
$69,816
-7% vs US avg
Home Value
$279,800
-20% vs US avg
Median Rent
$959
-18% vs US avg
Median Age
36.1 yrs
-7% vs US avg
Area Code
Congress
Top Ancestry
GermanEnglishIrish
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Location
Coordinates
60.6018, -151.1062
Elevation
91 ft
Land Area
326.0 sq mi
Water Area
17.8 sq mi (5% water)

At a glance

Population
16,028
Density
N/A
Median income
$69,816
-7% vs US avg
Home value
$279,800
-20% vs US avg
Median rent
$959
-18% vs US avg
Timezone

Overview of ZIP Code 99611

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What to know about ZIP 99611

ZIP code 99611 covers Nikiski, AK in Kenai Peninsula Borough with a population of about 16,028.

At a glance, the area shows median age of 36.1 versus a U.S. median of about 38.9.

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

Income and economy in Nikiski, AK

Median household income in ZIP 99611 is about $69,816 — about 7% below the U.S. median ($75,149).

On socioeconomic markers, US5 shows a poverty rate of 11.3%; unemployment rate near 8.3%; 24.0% of adults with a bachelor’s degree or higher (about 9.7 points below the national share (33.7%)).

Labor and commute patterns include leading industry context around Healthcare, Public administration, and Education; about 5.2% of workers reporting work-from-home (about 10.0 points below the U.S. share (15.2%)); a mean commute of about 180.0 minutes (U.S. average near 26.8).

Housing and affordability in ZIP 99611

Median home value is about $279,800 — about 20% below the U.S. median home value ($348,079).

Housing tenure and rents show median gross rent around $959 (about 18% below the U.S. median rent ($1,163)), and owner-occupancy near 73.2% (about 7.8 points above the national owner-occupancy rate (65.4%)).

To comfortably buy a median-priced home in ZIP 99611 in Nikiski, AK, a household would need roughly $77,000 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 $1,797. That is roughly in line with the local median household income ($69,816). Rates, taxes, insurance, and HOA fees vary — treat this as a planning estimate, not a lender quote.

Climate risk and migration signals

Climate normals for Nikiski CDP, AK show little to no average snow and around 18.3 inches of annual precipitation.

IRS migration statistics show a net inflow of about 638 for ZIP 99611 (Nikiski 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.

Nearby (from this ZIP)

Airport ENA (5.2 miles (8.3 km)) · Alaska Christian College (7.8 miles (12.5 km)) · Alaska Public Lands (58.9 miles (94.9 km)) · VA: Kenai VA Community Based Outpatient Clinic (5.9 miles (9.5 km))

Full lists and map pins are in the Infrastructure section below.