Every ZIP code in the United States, with weather, radar, trivia and the numbers behind it. Five digits since 1963!

ZIP stands for Zone Improvement Plan. The codes went live on July 1, 1963.The lowest ZIP code is 00501 — the IRS in Holtsville, New York.The highest ZIP code is 99950, in Ketchikan, Alaska.Type 07734 into a calculator and turn it upside down: hELLO. It is Keansburg, New Jersey.12345 belongs to one company: General Electric in Schenectady, New York.The first digit is a region: 0 is New England and New Jersey, 9 is the West Coast, Alaska and Hawaii.Mr. ZIP, the cartoon mailman, was the mascot that sold the idea to America.ZIP+4 arrived in 1983 and can narrow a ZIP down to one side of one block.A ZIP code is a mail route, not a place: plenty of them cross county and even state lines.Play ZIP Hunt: guess the secret ZIP code of the day in six tries.
zipcodes.pro — STATE/TX/COUNTY/KING

King County, TX ZIP codes

King County, TX has one ZIP code: 79236. 1 more crosses into it from a neighbouring county: 79248.

The county seat is Guthrie.

ZIP codes
1
Partly in it
1 more
Towns
1
County seat
Guthrie
County FIPS
48269
State
Texas
Population
211
Median household income
$46,645
Land area
911 sq mi

King County ZIP codes by town

Guthrie (county seat)
79236

Each ZIP code is listed under the county most of its land lies in and the town the Postal Service names it for; a ZIP code's own page shows exactly how it is split.

ZIP codes partly in King County

This ZIP code lies mostly in a neighbouring county but covers a twentieth or more of King County.

Map of King County ZIP codes

79236

The ZIP codes of King County, 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.

King County in numbers

About 211 people live in King County, in 111 households, the 252nd most populous of Texas's 254 counties. The median household income is $46,645 a year, 41% below the Texas median of $78,476 (US: $80,734). The median owner-occupied home is valued at $52,100 (82% below the Texas median). The median age is 49.4; 38.9% of adults 25 and over hold a bachelor's degree or higher (33.8% across Texas); the average commute takes 12 minutes.

Population211King211
Households111King111
Median age49.4King49.4Texas35.6US 38.9
Median household income$46,645King$46,645Texas$78,476US $80,734
Median home value$52,100King$52,100Texas$283,800US $332,700
Bachelor's degree or higher38.9%King38.9%Texas33.8%US 35.7%
Mean commute12.4 minKing12.4 minTexas26.7 minUS 26.4 min
Population density0 / sq miKing0 / sq mi

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates. Survey estimates carry margins of error, wider for small places. Sources and methods.

Neighbouring counties

Counties that share a ZIP code with King County.

Not sure you are in King County? What county am I in? answers from your location, near a county line included.

Every ZIP code in King County, with figures

ZIP codes in King County
ZIP City Type Population Median income Median home
79236 Guthrie , TX Standard 197 $45,789 —

Cite this page

zipcodes.pro. “King County ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/state/tx/county/king

Underlying data is public domain or openly licensed — sources, vintages and licences.