What city is ZIP code 99110?

99110 is a Clayton, Washington ZIP code.

What county is 99110 in?

ZIP code 99110 is in Stevens County, Washington.

What time zone is ZIP code 99110 in?

99110 is in the Pacific Time zone (America/Los_Angeles).

What area code is 99110?

Phone numbers in ZIP code 99110 use area code 509.

What is the population of ZIP code 99110?

About 1,505 people live in ZIP code 99110, according to the Census Bureau’s American Community Survey (2020–2024).

What is the median income in 99110?

The median household income in 99110 is $76,106 a year, lower than 62% of Washington ZIP codes.

What ZIP codes are near 99110?

The nearest ZIP codes to 99110 are 99006 (Deer Park, 5.2 miles), 99148 (Loon Lake, 6 miles), 99034 (Tumtum, 12 miles) and 99009 (Elk, 12.1 miles).

ZIP code 99110

Where is ZIP code 99110?

Clayton, Washington

Stevens County · Standard ZIP code

ZIP code 99110 belongs to Clayton, Washington in Stevens County. 99110 is a standard ZIP code, so it covers street addresses as well as PO Boxes. It is in the Pacific Time zone and uses area code 509. About 1,505 people live in the 99110 area, where the median household income is $76,106. The closest ZIP codes are 99006 (Deer Park, 5.2 mi southeast), 99148 (Loon Lake, 6 mi northwest) and 99034 (Tumtum, 12 mi southwest).

ZIP code	99110
Type	Standard ZIP code for street addresses and PO Boxes
Status	Active
City	Clayton
State	Washington (WA)
County	Stevens County
Time zone	Pacific Time · now
Area code	509
Coordinates	48.0071, -117.5579 map
3-digit prefix	991

Population and income in 99110

Population	1,505 · lower than 65% of Washington ZIP codes
People per square mile	39 · lower than 64% of Washington ZIP codes
Median age	32.4 years · lower than 92% of Washington ZIP codes
Men / women	49% / 51%
Median household income	$76,106 · lower than 62% of Washington ZIP codes
Income per person	$34,834
Below the poverty line	2.3%
Bachelor’s degree or higher	23% of adults 25+
Median home value	$453,100 · higher than 50% of Washington ZIP codes
Median rent	$954 a month
Housing units	601
Households	573 (2.63 people on average)
Owners / renters	82% / 19%
Land area	38.62 sq mi

Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 99110. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.

ZIP codes near 99110

ZIP code	City	Distance	Type
99006	Deer Park, WA	5.2 mi SE	Standard
99148	Loon Lake, WA	6 mi NW	Standard
99034	Tumtum, WA	12 mi SW	Standard
99009	Elk, WA	12.1 mi E	Standard
99173	Springdale, WA	12.5 mi W	Standard
99181	Valley, WA	12.9 mi NW	Standard
99013	Ford, WA	13.3 mi SW	Standard
99003	Chattaroy, WA	13.7 mi SE	Standard
99005	Colbert, WA	14.2 mi SE	Standard
99026	Nine Mile Falls, WA	14.3 mi S	Standard
99218	Spokane, WA	18.6 mi S	Standard
99021	Mead, WA	18.7 mi SE	Standard

Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 99110 or measure the distance to another ZIP code.

How to address mail to 99110

JANE SMITH
123 MAIN ST
CLAYTON WA 99110

Put the city, the two-letter state code and the ZIP code on the last line. Adding the 4-digit ZIP+4 code (99110-XXXX) helps mail sort faster but isn’t required.

Questions

What city is ZIP code 99110?: 99110 is a Clayton, Washington ZIP code.
What county is 99110 in?: ZIP code 99110 is in Stevens County, Washington.
What time zone is ZIP code 99110 in?: 99110 is in the Pacific Time zone (America/Los_Angeles).
What area code is 99110?: Phone numbers in ZIP code 99110 use area code 509.
What is the population of ZIP code 99110?: About 1,505 people live in ZIP code 99110, according to the Census Bureau’s American Community Survey (2020–2024).
What is the median income in 99110?: The median household income in 99110 is $76,106 a year, lower than 62% of Washington ZIP codes.
What ZIP codes are near 99110?: The nearest ZIP codes to 99110 are 99006 (Deer Park, 5.2 miles), 99148 (Loon Lake, 6 miles), 99034 (Tumtum, 12 miles) and 99009 (Elk, 12.1 miles).