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/BOONE

Boone County, IA ZIP codes

There are 10 ZIP codes in Boone County, IA, in 8 towns, from 50031 to 50276. The largest are 50036 (Boone), 50156 (Madrid) and 50212 (Ogden). 1 more crosses into it from a neighbouring county: 50220.

The county seat is Boone.

ZIP codes
10
Partly in it
1 more
Towns
8
County seat
Boone
County FIPS
19015
State
Iowa
Population
26,668
Median household income
$83,531
Land area
570 sq mi
Area code
515
Metro area
Ames

Boone County ZIP codes by town

Boone (county seat)
50036, 50037, 50099

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 Boone County

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

Map of Boone County ZIP codes

50031500365003750040500995015250156502125022350276

The ZIP codes of Boone 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.

Boone County in numbers

About 26,668 people live in Boone County, in 10,936 households, the 23rd most populous of Iowa's 99 counties. The median household income is $83,531 a year, 11% above the Iowa median of $75,059 (US: $80,734). The median owner-occupied home is valued at $212,400 (about the same as the Iowa median), and median gross rent is $845 a month. The median age is 42.4; 28.5% of adults 25 and over hold a bachelor's degree or higher (31.4% across Iowa); the average commute takes 23 minutes.

Population26,668Boone26,668
Households10,936Boone10,936
Median age42.4Boone42.4Iowa38.6US 38.9
Median household income$83,531Boone$83,531Iowa$75,059US $80,734
Median home value$212,400Boone$212,400Iowa$208,000US $332,700
Median gross rent$845Boone$845Iowa$972US $1,413
Bachelor's degree or higher28.5%Boone28.5%Iowa31.4%US 35.7%
Mean commute22.5 minBoone22.5 minIowa19.8 minUS 26.4 min
Population density47 / sq miBoone47 / 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 Boone County

Largest towns in Boone County
TownZIP codesPopulation
Boone 3 12,424
Madrid 1 2,808
Ogden 1 1,859
Woodward 1 977
Boxholm 1 168
Luther 1 159
Pilot Mound 1 132
Beaver 1 51

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 Boone County.

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

Every ZIP code in Boone County, with figures

ZIP codes in Boone County
ZIP City Type Population Median income Median home
50031 Beaver , IA Standard 51 $73,750 $56,300
50036 Boone , IA Standard 16,154 $79,255 $194,400
50037 Boone , IA No street area — — —
50040 Boxholm , IA Standard 168 $49,375 $86,500
50099 Boone , IA No street area — — —
50152 Luther , IA Standard 138 $93,750 $183,300
50156 Madrid , IA Standard 4,575 $98,054 $243,800
50212 Ogden , IA Standard 2,993 $81,838 $221,300
50223 Pilot Mound , IA Standard 236 $47,222 $87,200
50276 Woodward , IA Standard 2,679 $91,827 $289,000

Cite this page

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

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