ZIP Code Tabulation Area · Alaska

ZIP Code 99640: Lake and Peninsula Borough, AK

ZIP Code 99640 (Lake and Peninsula Borough, Alaska) has an estimated 116 residents in 46 households. The median household income is $58,125, the median home value is $88,200 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. 5 figures for this ZIP (poverty rate, unemployment, bachelor's or higher, owner-occupied, commute) are marked with *. ACS figures come from a sample, and small areas have fewer responses, so treat these numbers as rough ranges.

Total population

116

Margin of error ±47

Median household income

$58,125

Margin of error ±$9,950

Median home value

$88,200

Margin of error ±$4,716

Median gross rent

—

Margin of error not available

Median age

36.3 yrs

Margin of error ±12.8 yrs

Mean travel time to work

5.1 min*

Margin of error ±3.2 min· estimate has a large margin of error

How ZIP 99640 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 9964036.3 yrsAlaska35.8 yrsUnited States38.9 yrs

Median household income

ZIP 99640$58,125Alaska$92,788United States$80,734

Per capita income

ZIP 99640$19,584Alaska$46,573United States$44,673

Poverty rate

ZIP 9964027.0%*Alaska10.1%United States12.5%

Unemployment rate

ZIP 9964026.5%*Alaska5.9%United States5.2%

Bachelor's degree or higher

ZIP 996405.4%*Alaska31.7%United States35.7%

Median home value

ZIP 99640$88,200Alaska$352,900United States$332,700

Median gross rent

ZIP 99640—Alaska$1,419/moUnited States$1,413/mo

Owner-occupied homes

ZIP 9964060.9%*Alaska66.8%United States65.2%

Mean travel time to work

ZIP 996405.1 min*Alaska19.4 minUnited States26.4 min

Worked from home

ZIP 996405.6%Alaska9.7%United States15.1%

All figures for ZIP 99640

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 99640 — ACS 2020–2024 5-year estimates
Measure	ZIP 99640	Margin of error	Alaska	United States
Total population	116	±47	735,706	334,922,499
Median age	36.3 yrs	±12.8 yrs	35.8 yrs	38.9 yrs
Households	46	±19	270,533	129,227,496
Median household income	$58,125	±$9,950	$92,788	$80,734
Per capita income	$19,584	±$5,175	$46,573	$44,673
Poverty rate	27.0%*	±12.0 pts	10.1%	12.5%
Unemployment rate	26.5%*	±16.9 pts	5.9%	5.2%
Bachelor's degree or higher	5.4%*	±24.7 pts	31.7%	35.7%
Median home value	$88,200	±$4,716	$352,900	$332,700
Median gross rent	—	—	$1,419/mo	$1,413/mo
Owner-occupied homes	60.9%*	±12.9 pts	66.8%	65.2%
Mean travel time to work	5.1 min*	±3.2 min	19.4 min	26.4 min
Worked from home	5.6%	±8.0 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 99640
Group	ZIP 99640	Alaska	United States
White alone, not Hispanic or Latino	3.4%	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	45.7%	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	43.1%	10.3%	4.3%
Hispanic or Latino (of any race)	7.8%	7.3%	19.3%

Where ZIP 99640 is

State: Alaska
Main county: Lake and Peninsula Borough
Largest overlapping place: Nondalton (less than 1% of the ZIP's land area)
Land area: 2,685.59 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 Lake and Peninsula Borough

99548 Chignik Lake, AK 99549 Port Heiden, AK 99564 Chignik, AK 99565 Chignik Lagoon, AK 99579 Egegik, AK 99606 Iliamna, AK 99613 Lake and Peninsula Borough, AK 99625 Levelock, AK 99647 Lake and Peninsula Borough, AK 99648 Perryville, AK 99649 Ugashik, AK 99653 Port Alsworth, AK

See every ZIP code in Alaska, or compare ZIP 99640 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.