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/IN/COUNTY/JEFFERSON

Jefferson County, IN ZIP codes

Jefferson County, IN has 6 ZIP codes, in 6 towns: 47250, 47243, 47138, 47230, 47231 and 47224.

The county seat is Madison.

ZIP codes
6
Towns
6
County seat
Madison
County FIPS
18077
State
Indiana
Population
32,998
Median household income
$64,577
Land area
361 sq mi
Metro area
Madison

Jefferson County ZIP codes by town

Madison (county seat)
47250

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.

Map of Jefferson County ZIP codes

471384722447230472314724347250

The ZIP codes of Jefferson 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.

Jefferson County in numbers

About 32,998 people live in Jefferson County, in 12,790 households, the 51st most populous of Indiana's 92 counties. The median household income is $64,577 a year, 10% below the Indiana median of $71,957 (US: $80,734). The median owner-occupied home is valued at $194,600 (11% below the Indiana median), and median gross rent is $890 a month. The median age is 41.8; 19.8% of adults 25 and over hold a bachelor's degree or higher (29.5% across Indiana); the average commute takes 22 minutes.

Population32,998Jefferson32,998
Households12,790Jefferson12,790
Median age41.8Jefferson41.8Indiana38.1US 38.9
Median household income$64,577Jefferson$64,577Indiana$71,957US $80,734
Median home value$194,600Jefferson$194,600Indiana$218,200US $332,700
Median gross rent$890Jefferson$890Indiana$1,062US $1,413
Bachelor's degree or higher19.8%Jefferson19.8%Indiana29.5%US 35.7%
Mean commute22.2 minJefferson22.2 minIndiana24.1 minUS 26.4 min
Population density91 / sq miJefferson91 / 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 Jefferson County

Largest towns in Jefferson County
TownZIP codesPopulation
Madison 1 12,223
Lexington 1 4,859
Hanover 1 3,554
Deputy 1 2,086
Dupont 1 279
Canaan 1 120

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 Jefferson County.

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

Every ZIP code in Jefferson County, with figures

ZIP codes in Jefferson County
ZIP City Type Population Median income Median home
47138 Lexington , IN Standard 4,859 $86,335 $201,800
47224 Canaan , IN Standard 523 $61,618 —
47230 Deputy , IN Standard 2,086 $80,729 $238,400
47231 Dupont , IN Standard 675 $42,332 $105,900
47243 Hanover , IN Standard 6,225 $65,197 $183,900
47250 Madison , IN Standard 22,884 $61,284 $196,600

Cite this page

zipcodes.pro. “Jefferson County ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/state/in/county/jefferson

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