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zipcodes.pro — CITY/IA/DIAGONAL

Diagonal ZIP code, Iowa

The ZIP code for Diagonal, IA is 50845, and its area code is 641.

USPS city name
1 ZIP code
Population
454
Area code
641
State
Iowa

Diagonal in numbers

About 454 people live in Diagonal, in 141 households. The median household income is $74,375 a year, about the same as the Iowa median of $75,059 (US: $80,734). The median owner-occupied home is valued at $91,500 (56% below the Iowa median), and median gross rent is $825 a month. The median age is 49.2; 18.3% of adults 25 and over hold a bachelor's degree or higher (31.4% across Iowa); the average commute takes 17 minutes.

Population454Diagonal454
Households141Diagonal141
Median age49.2Diagonal49.2Iowa38.6US 38.9
Median household income$74,375Diagonal$74,375Iowa$75,059US $80,734
Median home value$91,500Diagonal$91,500Iowa$208,000US $332,700
Median gross rent$825Diagonal$825Iowa$972US $1,413
Bachelor's degree or higher18.3%Diagonal18.3%Iowa31.4%US 35.7%
Mean commute16.5 minDiagonal16.5 minIowa19.8 minUS 26.4 min
Population density497 / sq miDiagonal497 / sq mi

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

ZIP codes addressed as Diagonal

ZIP codes with the USPS city name Diagonal
ZIP City Type Population Median income Median home
50845 Diagonal , IA Standard 831 $66,563 $100,000

Map of Diagonal ZIP codes

50845

The ZIP codes of Diagonal, 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 Diagonal

The nearest larger towns are Mount Ayr (1,816 people, 8.6 mi), Lenox (1,569 people, 12 mi) and Afton (817 people, 17 mi).

Towns near Diagonal
TownPopulationDistance
Creston 7,435 17.3 mi

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

Cite this page

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

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