Adams County, WA Demographics & ZIP Codes

Adams County, Washington demographics and median household income by ZIP code — 5 ZIP codes — population 23,143 — avg. income $68,773 — avg. home value $225,050. Compare income, housing, and ZIP-level data on US5.

ZIP codes

Population

23,143

Median household income (avg.)

$68,773

92% of U.S. median

Average home value

$225,050

65% of U.S. median

Average rent

$659

57% of U.S. median

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Adams County demographics

Adams County, Washington covers 5 ZIP codes, with a combined ZIP-area population of about 23,143.

Median household income in Adams County

The average median household income across ZIP codes in Adams County, Washington is about $68,773 — about 21% below the WA ZIP average ($87,083), and about 8% below the U.S. median ($75,149).

Among ZIPs with income data, 99105 is near the top at about $73,750, while 99344 (Othello) is near the bottom at about $64,266.

Housing in Adams County

For housing in Adams County, Washington, the average median home value is about $225,050 and the average median rent is about $659.

The most populous ZIP is 99344 (Othello) with about 19,458 residents. Use the table below to compare ZIP codes across the county.

ZIP codes in Adams County

Sort by population, income, or home value. Click a column header to toggle ascending / descending.

ZIP	City	County	State	Population ↓	Income	Home value
99344	Othello	Adams County	WA	19,458	$64,266	$256,700
99169	Ritzville	Adams County	WA	2,637	$66,161	$210,700
99341	Lind	Adams County	WA	685	$70,938	$245,300
99371	Washtucna	Adams County	WA	332	$68,750	$187,500
99105	—	Adams County	WA	31	$73,750	—

Frequently asked questions

What are the demographics of Adams County?

Adams County, Washington has a combined ZIP-area population of about 23,143 across 5 ZIP codes. Browse the ZIP table for population, income, and housing by code.

What is the median household income in Adams County?

The average median household income across ZIP codes in Adams County, Washington is about $68,773, about 21% below the state ZIP average ($87,083), and about 8% below the U.S. median ($75,149). Average median home value is about $225,050. Among ZIPs with data, 99105 is near the top ($73,750) and 99344 (Othello) is near the bottom ($64,266).

How many ZIP codes are in Adams County?

Adams County, Washington includes 5 ZIP codes on US5. Each row links to demographics, median income, and housing for that code.

Where can I find ZIP code demographics for Adams County?

This page lists ZIP codes in Adams County, Washington with population, median household income, and home value. Select a ZIP for a full demographics profile.