ZIP Code Tabulation Area · Alaska

ZIP Code 99638: Nikolski, AK

ZIP Code 99638 (Nikolski, Aleutians West Census Area, Alaska) has an estimated 1 residents in 1 households. The median household income is —, the median home value is — and the median gross rent is —. Figures are U.S. Census Bureau American Community Survey 2020–2024 5-year estimates for the matching ZIP Code Tabulation Area.

American Community Survey 2020–2024 5-year estimates · Updated Oct 26, 2026

Some estimates have a large margin of error. 7 figures for this ZIP (population, households, poverty rate, unemployment, bachelor's or higher, owner-occupied, work from home) are marked with *. ACS figures come from a sample, and small areas have fewer responses, so treat these numbers as rough ranges.

Total population

Margin of error ±3· estimate has a large margin of error

Median household income

—

Margin of error not available

Median home value

—

Margin of error not available

Median gross rent

—

Margin of error not available

Median age

—

Margin of error not available

Mean travel time to work

—

Margin of error not available

How ZIP 99638 compares with Alaska and the U.S.

State and national figures are the Census Bureau's own estimates for those areas from the same ACS release, not averages of ZIP codes.

Median age

ZIP 99638—Alaska35.8 yrsUnited States38.9 yrs

Median household income

ZIP 99638—Alaska$92,788United States$80,734

Per capita income

ZIP 99638—Alaska$46,573United States$44,673

Poverty rate

ZIP 996380.0%*Alaska10.1%United States12.5%

Unemployment rate

ZIP 996380.0%*Alaska5.9%United States5.2%

Bachelor's degree or higher

ZIP 996380.0%*Alaska31.7%United States35.7%

Median home value

ZIP 99638—Alaska$352,900United States$332,700

Median gross rent

ZIP 99638—Alaska$1,419/moUnited States$1,413/mo

Owner-occupied homes

ZIP 996380.0%*Alaska66.8%United States65.2%

Mean travel time to work

ZIP 99638—Alaska19.4 minUnited States26.4 min

Worked from home

ZIP 996380.0%*Alaska9.7%United States15.1%

All figures for ZIP 99638

Each estimate has a 90% margin of error: the true value is likely within that range. * marks estimates with a large margin of error (a coefficient of variation above 30%, or ±10 percentage points or more for rates).

ZIP 99638 — ACS 2020–2024 5-year estimates
Measure	ZIP 99638	Margin of error	Alaska	United States
Total population	1*	±3	735,706	334,922,499
Median age	—	—	35.8 yrs	38.9 yrs
Households	1*	±3	270,533	129,227,496
Median household income	—	—	$92,788	$80,734
Per capita income	—	—	$46,573	$44,673
Poverty rate	0.0%*	±1,000.0 pts	10.1%	12.5%
Unemployment rate	0.0%*	±1,000.0 pts	5.9%	5.2%
Bachelor's degree or higher	0.0%*	±2,000.0 pts	31.7%	35.7%
Median home value	—	—	$352,900	$332,700
Median gross rent	—	—	$1,419/mo	$1,413/mo
Owner-occupied homes	0.0%*	±1,000.0 pts	66.8%	65.2%
Mean travel time to work	—	—	19.4 min	26.4 min
Worked from home	0.0%*	±1,000.0 pts	9.7%	15.1%

Race and Hispanic or Latino origin

Shares of the total population by the Census Bureau's race and Hispanic or Latino origin categories (table B03002), listed in the Census Bureau's order. People self-identify on the survey.

Population by race and Hispanic or Latino origin, ZIP 99638
Group	ZIP 99638	Alaska	United States
White alone, not Hispanic or Latino	0.0%	57.7%	57.4%
Black or African American alone, not Hispanic or Latino	0.0%	2.9%	11.9%
American Indian and Alaska Native alone, not Hispanic or Latino	100.0%	13.2%	0.5%
Asian alone, not Hispanic or Latino	0.0%	6.4%	5.9%
Native Hawaiian and Other Pacific Islander alone, not Hispanic or Latino	0.0%	1.5%	0.2%
Some other race alone, not Hispanic or Latino	0.0%	0.7%	0.6%
Two or more races, not Hispanic or Latino	0.0%	10.3%	4.3%
Hispanic or Latino (of any race)	0.0%	7.3%	19.3%

Where ZIP 99638 is

State: Alaska
Main county: Aleutians West Census Area
Largest overlapping place: Nikolski (100% of the ZIP's land area)
Land area: 132.05 sq mi· about 0 people per sq mi

County and place names come from the Census Bureau's 2020 ZCTA relationship files. A ZIP code's mailing city, set by the U.S. Postal Service, can differ from these names.

Other ZIP codes in Aleutians West Census Area

99546 Adak, AK 99547 Atka, AK 99591 St. George, AK 99660 St. Paul, AK 99685 Unalaska, AK 99692 Unalaska, AK

See every ZIP code in Alaska, or compare ZIP 99638 with another ZIP code.

Census figures describe residents as a group and cannot tell you about any one home or street. For a specific address, check local government and housing records.

About ZIP codes and ZCTAs: the Census Bureau publishes statistics for ZIP Code Tabulation Areas, which approximate USPS ZIP code delivery areas. Learn how they differ.

Sources

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, detailed tables B01003, B01002, B11001, B19013, B19301, B17001, B23025, B15003, B25077, B25064, B25003, B08013, B08303, B08301, B03002 — snapshot Oct 26, 2026.
U.S. Census Bureau, 2020 ZCTA5 relationship files (county and place).
Data: U.S. Census Bureau, American Community Survey 5-year estimates (detailed tables) and 2020 Census ZCTA relationship files. This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau. These agencies do not endorse OpenZIP.