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/KS/COUNTY/COFFEY

Coffey County, KS ZIP codes

Coffey County, KS has 5 ZIP codes, in 5 towns: 66839, 66856, 66871, 66857 and 66852. 1 more crosses into it from a neighbouring county: 66093.

The county seat is Burlington.

ZIP codes
5
Partly in it
1 more
Towns
5
County seat
Burlington
County FIPS
20031
State
Kansas
Population
8,308
Median household income
$70,346
Land area
627 sq mi

Coffey County ZIP codes by town

Burlington (county seat)
66839

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 Coffey County

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

Map of Coffey County ZIP codes

The ZIP codes of Coffey 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.

Coffey County in numbers

About 8,308 people live in Coffey County, in 3,545 households, the 46th most populous of Kansas's 105 counties. The median household income is $70,346 a year, 5% below the Kansas median of $74,275 (US: $80,734). The median owner-occupied home is valued at $157,400 (28% below the Kansas median), and median gross rent is $836 a month. The median age is 44.0; 19.7% of adults 25 and over hold a bachelor's degree or higher (35.6% across Kansas); the average commute takes 22 minutes.

Population8,308Coffey8,308
Households3,545Coffey3,545
Median age44.0Coffey44.0Kansas37.4US 38.9
Median household income$70,346Coffey$70,346Kansas$74,275US $80,734
Median home value$157,400Coffey$157,400Kansas$217,200US $332,700
Median gross rent$836Coffey$836Kansas$1,060US $1,413
Bachelor's degree or higher19.7%Coffey19.7%Kansas35.6%US 35.7%
Mean commute21.8 minCoffey21.8 minKansas19.7 minUS 26.4 min
Population density13 / sq miCoffey13 / 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.

Largest towns in Coffey County

Largest towns in Coffey County
TownZIP codesPopulation
Burlington 1 2,605
Le Roy 1 872
Lebo 1 760
Waverly 1 625
Gridley 1 393

Population of the census place of that name where there is one, otherwise of the ZIP codes the Postal Service addresses by it. A town's ZIP codes can reach past the county line.

Neighbouring counties

Counties that share a ZIP code with Coffey County.

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

Every ZIP code in Coffey County, with figures

ZIP codes in Coffey County
ZIP City Type Population Median income Median home
66839 Burlington , KS Standard 3,654 $63,077 $175,500
66852 Gridley , KS Standard 587 $61,417 $110,600
66856 Lebo , KS Standard 1,583 $75,667 $169,900
66857 Le Roy , KS Standard 872 $62,143 $135,800
66871 Waverly , KS Standard 1,347 $71,094 $145,100

Cite this page

zipcodes.pro. “Coffey County ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/state/ks/county/coffey

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