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zipcodes.pro — CITY/WA/BANKS-LAKE-SOUTH

Banks Lake South ZIP codes, Washington

No ZIP code is named for Banks Lake South, WA; addresses there use a neighbouring town's name. The ZIP code covering it is 99115. Its area code is 509.

USPS city name
0 ZIP codes
Overlapping the city
1 more
Population
348
Area code
509

NANPA lists no telephone rate centre for Banks Lake South itself, so these are the area codes of the nearest one, Coulee City (0.0 miles). A town on an area-code boundary can differ from its neighbour.

Banks Lake South in numbers

About 348 people live in Banks Lake South, in 119 households. The median household income is $53,558 a year, 45% below the Washington median of $98,141 (US: $80,734). The median owner-occupied home is valued at $252,100 (55% below the Washington median). The median age is 31.3; 9.3% of adults 25 and over hold a bachelor's degree or higher (39.6% across Washington); the average commute takes 32 minutes.

Population348Banks Lake South348
Households119Banks Lake South119
Median age31.3Banks Lake South31.3Washington38.3US 38.9
Median household income$53,558Banks Lake South$53,558Washington$98,141US $80,734
Median home value$252,100Banks Lake South$252,100Washington$564,600US $332,700
Bachelor's degree or higher9.3%Banks Lake South9.3%Washington39.6%US 35.7%
Mean commute31.5 minBanks Lake South31.5 minWashington26.6 minUS 26.4 min
Population density143 / sq miBanks Lake South143 / sq mi

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, for the census place Banks Lake South CDP. Survey estimates carry margins of error, wider for small places. Sources and methods.

ZIP codes covering Banks Lake South

These ZIP codes cover part of Banks Lake South but are addressed as somewhere else.

ZIP codes overlapping Banks Lake South
ZIP City Type Population Median income Median home
99115 Coulee City , WA Standard 1,369 $62,708 $247,200

Map of Banks Lake South ZIP codes

99115

The ZIP codes of Banks Lake South, WA, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.

Towns near Banks Lake South

The nearest larger towns are Coulee City (439 people, 1.4 mi), Almira (360 people, 17 mi) and Soap Lake (1,508 people, 19 mi).

Towns near Banks Lake South
TownPopulationDistance
Ephrata 8,560 25.1 mi

More nearby: every ZIP code in Douglas County · Washington ZIP codes

Cite this page

zipcodes.pro. “Banks Lake South, WA ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/wa/banks-lake-south

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