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zipcodes.pro — CITY/IA/DEDHAM

Dedham ZIP code, Iowa

The ZIP code for Dedham, IA is 51440, and its area code is 712.

USPS city name
1 ZIP code
Population
280
Area code
712
State
Iowa

Dedham in numbers

About 280 people live in Dedham, in 87 households. The median household income is $100,417 a year, 34% above the Iowa median of $75,059 (US: $80,734). The median owner-occupied home is valued at $187,500 (10% below the Iowa median). The median age is 26.3; 39.2% of adults 25 and over hold a bachelor's degree or higher (31.4% across Iowa); the average commute takes 24 minutes.

Population280Dedham280
Households87Dedham87
Median age26.3Dedham26.3Iowa38.6US 38.9
Median household income$100,417Dedham$100,417Iowa$75,059US $80,734
Median home value$187,500Dedham$187,500Iowa$208,000US $332,700
Bachelor's degree or higher39.2%Dedham39.2%Iowa31.4%US 35.7%
Mean commute24.1 minDedham24.1 minIowa19.8 minUS 26.4 min
Population density507 / sq miDedham507 / sq mi

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

ZIP codes addressed as Dedham

ZIP codes with the USPS city name Dedham
ZIP City Type Population Median income Median home
51440 Dedham , IA Standard 334 $87,750 $223,200

Map of Dedham ZIP codes

51440

The ZIP codes of Dedham, IA, 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 Dedham

The nearest larger towns are Templeton (351 people, 6.1 mi), Coon Rapids (1,467 people, 7.8 mi) and Halbur (284 people, 10 mi).

Towns near Dedham
TownPopulationDistance
Carroll 10,208 11.4 mi
Jefferson 4,152 24.0 mi
Denison 8,260 28.2 mi

More nearby: every ZIP code in Carroll County · Iowa ZIP codes

Cite this page

zipcodes.pro. “Dedham, IA ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/ia/dedham

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