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

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zipcodes.pro — STATE/IA/COUNTY/MADISON

Madison County, IA ZIP codes

There are 12 ZIP codes in Madison County, IA, in 12 towns, from 50033 to 50273. The largest are 50273 (Winterset), 50261 (Van Meter) and 50072 (Earlham).

The county seat is Winterset.

ZIP codes
12
Towns
12
County seat
Winterset
County FIPS
19121
State
Iowa
Population
16,926
Median household income
$90,855
Land area
561 sq mi
Area code
515

Madison County ZIP codes by town

Winterset (county seat)
50273

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 Madison County ZIP codes

The ZIP codes of Madison 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.

Madison County in numbers

About 16,926 people live in Madison County, in 6,696 households, the 42nd most populous of Iowa's 99 counties. The median household income is $90,855 a year, 21% above the Iowa median of $75,059 (US: $80,734). The median owner-occupied home is valued at $245,100 (18% above the Iowa median), and median gross rent is $1,036 a month. The median age is 40.6; 27.1% of adults 25 and over hold a bachelor's degree or higher (31.4% across Iowa); the average commute takes 29 minutes.

Population16,926Madison16,926
Households6,696Madison6,696
Median age40.6Madison40.6Iowa38.6US 38.9
Median household income$90,855Madison$90,855Iowa$75,059US $80,734
Median home value$245,100Madison$245,100Iowa$208,000US $332,700
Median gross rent$1,036Madison$1,036Iowa$972US $1,413
Bachelor's degree or higher27.1%Madison27.1%Iowa31.4%US 35.7%
Mean commute28.7 minMadison28.7 minIowa19.8 minUS 26.4 min
Population density30 / sq miMadison30 / 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 Madison County

Largest towns in Madison County
TownZIP codesPopulation
Winterset 1 5,416
Van Meter 1 1,628
Earlham 1 1,528
St. Charles 1 914
Dexter 1 620
Cumming 1 545
Truro 1 518
Patterson 1 346
Peru 1 328
Lorimor 1 319
Macksburg 1 56
Bevington 1 15

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 Madison County.

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

Every ZIP code in Madison County, with figures

ZIP codes in Madison County
ZIP City Type Population Median income Median home
50033 Bevington , IA Standard 12 $56,250 —
50061 Cumming , IA Standard 2,123 $130,714 $533,800
50070 Dexter , IA Standard 1,221 $92,083 $213,300
50072 Earlham , IA Standard 2,979 $111,250 $303,900
50149 Lorimor , IA Standard 883 $59,167 $136,200
50155 Macksburg , IA Standard 94 $33,125 $95,000
50218 Patterson , IA Standard 346 $82,969 $111,100
50222 Peru , IA Standard 328 $100,568 $269,200
50240 Saint Charles , IA Standard 2,393 $107,563 $305,800
50257 Truro , IA Standard 914 $94,375 $226,200
50261 Van Meter , IA Standard 3,399 $155,278 $374,100
50273 Winterset , IA Standard 8,950 $82,633 $219,400

Cite this page

zipcodes.pro. “Madison County ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/state/ia/county/madison

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