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 — CITY/KS/BALDWIN-CITY

Baldwin City ZIP code, Kansas

The ZIP code for Baldwin City, KS is 66006, and its area code is 785.

USPS city name
1 ZIP code
Population
4,911
Area code
785
State
Kansas

Baldwin City in numbers

About 4,911 people live in Baldwin City, in 1,648 households. The median household income is $72,941 a year, about the same as the Kansas median of $74,275 (US: $80,734). The median owner-occupied home is valued at $249,500 (15% above the Kansas median), and median gross rent is $858 a month. The median age is 27.9; 51.1% of adults 25 and over hold a bachelor's degree or higher (35.6% across Kansas); the average commute takes 26 minutes.

Population4,911Baldwin City4,911
Households1,648Baldwin City1,648
Median age27.9Baldwin City27.9Kansas37.4US 38.9
Median household income$72,941Baldwin City$72,941Kansas$74,275US $80,734
Median home value$249,500Baldwin City$249,500Kansas$217,200US $332,700
Median gross rent$858Baldwin City$858Kansas$1,060US $1,413
Bachelor's degree or higher51.1%Baldwin City51.1%Kansas35.6%US 35.7%
Mean commute26.2 minBaldwin City26.2 minKansas19.7 minUS 26.4 min
Population density1,660 / sq miBaldwin City1,660 / sq mi

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

ZIP codes addressed as Baldwin City

ZIP codes with the USPS city name Baldwin City
ZIP City Type Population Median income Median home
66006 Baldwin City , KS Standard 8,013 $80,960 $345,800

Map of Baldwin City ZIP codes

The ZIP codes of Baldwin City, KS, 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.

Towns near Baldwin City

The nearest larger towns are Eudora (6,119 people, 12 mi), Ottawa (12,678 people, 13 mi) and Lawrence (96,051 people, 13 mi).

Towns near Baldwin City
TownPopulationDistance
Eudora 6,119 12.0 mi
Ottawa 12,678 12.9 mi
Lawrence 96,051 13.3 mi
Gardner 24,526 14.4 mi
De Soto 6,414 18.6 mi
Spring Hill 9,120 19.8 mi
Olathe 145,057 21.1 mi
Paola 5,770 22.3 mi
Osawatomie 4,182 23.2 mi
Tonganoxie 5,891 23.6 mi
Lenexa 58,384 24.4 mi
Shawnee 68,542 26.4 mi
Bonner Springs 7,839 26.7 mi
Overland Park 200,306 27.8 mi

More nearby: every ZIP code in Douglas County · Kansas ZIP codes

Cite this page

zipcodes.pro. “Baldwin City, KS ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/ks/baldwin-city

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