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/WI/COUNTY/IOWA

Iowa County, WI ZIP codes

There are 13 ZIP codes in Iowa County, WI, in 12 towns, from 53503 to 53595. The largest are 53533 (Dodgeville), 53565 (Mineral Point) and 53507 (Barneveld). 1 more crosses into it from a neighbouring county: 53588.

The county seat is Dodgeville.

ZIP codes
13
Partly in it
1 more
Towns
12
County seat
Dodgeville
County FIPS
55049
Population
23,867
Median household income
$82,182
Land area
763 sq mi
Area code
353
Metro area
Madison

Iowa County ZIP codes by town

Dodgeville (county seat)
53533, 53595

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 Iowa County

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

Map of Iowa County ZIP codes

53503535065350753526535335353553543535445355353565535805358253595

The ZIP codes of Iowa 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.

Iowa County in numbers

About 23,867 people live in Iowa County, in 10,118 households, the 48th most populous of Wisconsin's 72 counties. The median household income is $82,182 a year, 6% above the Wisconsin median of $77,485 (US: $80,734). The median owner-occupied home is valued at $265,000 (about the same as the Wisconsin median), and median gross rent is $954 a month. The median age is 44.0; 28.4% of adults 25 and over hold a bachelor's degree or higher (33.4% across Wisconsin); the average commute takes 27 minutes.

Population23,867Iowa23,867
Households10,118Iowa10,118
Median age44.0Iowa44.0Wisconsin40.2US 38.9
Median household income$82,182Iowa$82,182Wisconsin$77,485US $80,734
Median home value$265,000Iowa$265,000Wisconsin$266,500US $332,700
Median gross rent$954Iowa$954Wisconsin$1,087US $1,413
Bachelor's degree or higher28.4%Iowa28.4%Wisconsin33.4%US 35.7%
Mean commute27.2 minIowa27.2 minWisconsin22.2 minUS 26.4 min
Population density31 / sq miIowa31 / 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 Iowa County

Largest towns in Iowa County
TownZIP codesPopulation
Dodgeville 2 5,042
Mineral Point 1 2,559
Barneveld 1 1,416
Arena 1 883
Highland 1 867
Ridgeway 1 594
Linden 1 553
Avoca 1 473
Cobb 1 403
Hollandale 1 327
Rewey 1 238
Edmund 1 187

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 Iowa County.

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

Every ZIP code in Iowa County, with figures

ZIP codes in Iowa County
ZIP City Type Population Median income Median home
53503 Arena , WI Standard 2,057 $87,361 $239,900
53506 Avoca , WI Standard 1,011 $59,861 $171,500
53507 Barneveld , WI Standard 2,467 $113,261 $347,400
53526 Cobb , WI Standard 471 $79,286 $200,000
53533 Dodgeville , WI Standard 7,283 $77,849 $270,000
53535 Edmund , WI No street area — — —
53543 Highland , WI Standard 1,758 $77,031 $236,700
53544 Hollandale , WI Standard 826 $100,625 $308,100
53553 Linden , WI Standard 621 $64,375 $169,600
53565 Mineral Point , WI Standard 4,778 $84,589 $269,800
53580 Rewey , WI Standard 442 $61,667 $145,800
53582 Ridgeway , WI Standard 1,070 $89,107 $266,400
53595 Dodgeville , WI No street area — — —

Cite this page

zipcodes.pro. “Iowa County ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/state/wi/county/iowa

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