Banks Lake South, Washington Demographics & Population 2026

Name: Banks Lake South, Washington Demographics
Creator: U.S. Census Bureau
License: https://www.census.gov/data/developers/about/terms-of-service.html

During the 2020–2024 ACS period, Banks Lake South, Washington had a total population of 348, the 516th largest community in Washington, with a median household income of $53,558, which is 45% lower than the state average. The poverty rate is 7.5%.

Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes

Key Takeaways

Household income is 45% below the state average, indicating significant economic challenges.
Only 9.3% of adults have a bachelor's degree, well below the national average of 35.7%.
Unemployment rate of 9.5% is notably above the national average.

Banks Lake South Quick Facts

Population 348

Median Household Income $53,558

Median Home Value $252,100

Poverty Rate 7.5%

Unemployment Rate 9.5%

Median Age 31.3 years

Homeownership Rate 74.0%

Affordability Ratio 4.7x

Bachelor's Degree or Higher 9.3%

High School Graduation Rate 100.0%

Diversity Index 48/100

Population 348 516th of 628

Median Income $53,558 bottom 20%

Poverty Rate 7.5% 40% lower than national

Median Home Value $252,100 bottom 20%

How Banks Lake South Changed

Change from the 2019–2023 ACS period to 2020–2024. These are rolling five-year estimates, not year-over-year measurements.

Metric	2019–2023	2020–2024	Change
Population	216	348	+61.1%
Median household income	$42,917	$53,558	+24.8%
Median home value	$252,400	$252,100	-0.1%

How Banks Lake South Compares

Median Household Income

Banks Lake South

$53,558

$98,141

National

$80,734

Median Home Value

Banks Lake South

$252,100

$564,600

National

$332,700

Economy & Housing

Household Income Distribution

Under $25K 26.1%

$25K-$50K 19.3%

$50K-$100K 42.0%

$100K+ 12.6%

Detailed income brackets

Under $10K

0.0%

$10K-$15K

0.0%

$15K-$20K

26.1%

$20K-$25K

0.0%

$25K-$30K

0.0%

$30K-$35K

2.5%

$35K-$40K

0.0%

$40K-$45K

10.1%

$45K-$50K

6.7%

$50K-$60K

10.9%

$60K-$75K

19.3%

$75K-$100K

11.8%

$100K-$125K

5.0%

$125K-$150K

0.0%

$150K-$200K

7.6%

$200K+

0.0%

Employment

9.5% Unemployment Rate State: 5.1%|National: 5.2%

58.5% Labor Force Participation

Housing Overview

Owner 74.0%

Renter 26.0%

Affordability Index Moderate

4.7x home value to income ratio

People & Demographics

Age Distribution

Under 18

21.3%

18-34

31.0%

35-54

15.5%

55-74

27.9%

75+

4.3%

Race & Ethnicity

Diversity Index

Moderate Diversity

Moderate diversity with one or two groups making up the majority.

State average: 56 | National average: 61

Education

Educational Attainment (Adults 25+)

Banks Lake South Rankings in Washington

#516 Population of 628

#511 Median Income of 570

#558 Education of 628

#477 Home Value of 584

Explore Washington Rankings

Cities by Population All cities ranked by size Richest Cities Ranked by median income Most Educated By bachelor's degree rate Most Affordable By housing affordability

Other Cities in Grant County

City	Population	Median Income	Poverty	Home Value
Moses Lake	26,083	$74,752	15.8%	$310,000
Ephrata	8,560	$69,551	20.8%	$252,000
Quincy	7,998	$87,902	6.2%	$336,800
Cascade Valley	4,609	$60,715	12.6%	N/A
Moses Lake North	4,517	$57,602	29.8%	$242,200
Mattawa	3,616	$38,388	33.3%	N/A
Desert Aire	2,788	$85,960	7.8%	$455,100
Warden	2,581	$57,743	20.9%	$189,900
Royal City	1,683	$50,478	35.8%	$228,600
Coulee Dam	1,595	$66,732	15.8%	$238,500

Cities Similar to Banks Lake South

These cities in the same state have comparable population and economic profiles.

City	Population	Median Income	Home Value	Bachelor's+	Poverty
Skamokawa Valley	352	N/A	$259,200	15.2%	29.3%
Glacier	339	N/A	$544,600	35.2%	1.8%
Raft Island	333	N/A	$726,400	69.0%	0.0%
Cowiche	364	N/A	$219,900	8.2%	28.6%
Almira	360	$52,333	$204,000	10.4%	18.3%

A note before these figures: with a population of 348, Banks Lake South's ACS estimates come from a small number of survey responses and carry wide margins of error. Individual percentages below — particularly rates that round to 0% or 100% — are approximations, not precise measurements. See data.census.gov for the published margins of error.

Population Overview

Banks Lake South is a small community located in Washington, within Grant County. The total population is 348. It ranks as the 516th most populous out of 628 Census-designated places in Washington.

Age Demographics

The median age in Banks Lake South is 31.3 years. This is 18% lower than the state median of 38.3 years.

Economy, Income & Housing

The median household income in Banks Lake South is $53,558. This is 45% lower than the state median of $98,141. It is also 34% lower than the national median of $80,734. The poverty rate stands at 7.5%. This is 25% lower than the state poverty rate of 9.9%. The unemployment rate is 9.5%. This is 87% higher than the state rate of 5.1%. The median home value is $252,100. Housing costs are 55% lower than the state median of $564,600. The home-value-to-income ratio is 4.7x. 74.0% of occupied housing units are owner-occupied. This homeownership rate is 16% higher than the state average of 63.8%.

Race & Ethnicity

The largest racial or ethnic group in Banks Lake South is White (non-Hispanic), making up 67.8% of the population. Hispanic or Latino residents account for 5.5%. The Hispanic or Latino population (5.5%) is well below the state average of 14.4%. The Asian population (2.9%) is well below the state average of 9.7%.

Education

9.3% of residents aged 25 and older hold a bachelor's degree or higher. This is 77% lower than the state rate of 39.6%. Nationally, 35.7% of adults hold at least a bachelor's degree. No surveyed resident aged 25 or older reported leaving school before earning a high school diploma, though a rate of exactly 100% reflects the limits of a small sample.

Data Sources & Methodology

All demographic data for Banks Lake South, Washington is sourced from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates. The ACS collects data from approximately 3.5 million households annually and pools five years of responses so that even small communities can be measured, though the margin of error widens as the population falls. Comparisons are made against Washington state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 628 Census-designated places in Washington. Read more about how these figures are produced on our methodology page, or visit data.census.gov for official data.

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Frequently Asked Questions

What is the population of Banks Lake South, Washington?

Banks Lake South, Washington has a population of 348 according to the most recent U.S. Census ACS 5-Year Estimates.

What is the median household income in Banks Lake South, WA?

The median household income in Banks Lake South is $53,558, which is 34% lower than the national median of $80,734.

What is the poverty rate in Banks Lake South, WA?

The poverty rate in Banks Lake South is 7.5%. This means approximately 26 residents live below the federal poverty line.

What is the racial makeup of Banks Lake South, Washington?

Banks Lake South's population is 67.8% White, 0.0% Black, 5.5% Hispanic/Latino, and 2.9% Asian.

What is the median home value in Banks Lake South, WA?

The median home value in Banks Lake South is $252,100. The home-value-to-income ratio is 4.7x.

How educated is Banks Lake South, Washington?

9.3% of adults (25+) in Banks Lake South hold a bachelor's degree or higher, and 1.6% hold a graduate or professional degree.