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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 — CITY/IA/RIVERSIDE

Riverside ZIP code, Iowa

The ZIP code for Riverside, IA is 52327, and its area code is 319.

USPS city name
1 ZIP code
Population
890
Area code
319
State
Iowa

Riverside in numbers

About 890 people live in Riverside, in 402 households. The median household income is $84,091 a year, 12% above the Iowa median of $75,059 (US: $80,734). The median owner-occupied home is valued at $183,700 (12% below the Iowa median), and median gross rent is $918 a month. The median age is 42.6; 27.2% of adults 25 and over hold a bachelor's degree or higher (31.4% across Iowa); the average commute takes 33 minutes.

Population890Riverside890
Households402Riverside402
Median age42.6Riverside42.6Iowa38.6US 38.9
Median household income$84,091Riverside$84,091Iowa$75,059US $80,734
Median home value$183,700Riverside$183,700Iowa$208,000US $332,700
Median gross rent$918Riverside$918Iowa$972US $1,413
Bachelor's degree or higher27.2%Riverside27.2%Iowa31.4%US 35.7%
Mean commute32.7 minRiverside32.7 minIowa19.8 minUS 26.4 min
Population density482 / sq miRiverside482 / sq mi

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

ZIP codes addressed as Riverside

ZIP codes with the USPS city name Riverside
ZIP City Type Population Median income Median home
52327 Riverside , IA Standard 3,796 $86,942 $298,800

Map of Riverside ZIP codes

The ZIP codes of Riverside, 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 Riverside

The nearest larger towns are Hills (974 people, 5.4 mi), Kalona (2,692 people, 6.7 mi) and Lone Tree (1,218 people, 7.5 mi).

Towns near Riverside
TownPopulationDistance
Kalona 2,692 6.7 mi
Iowa City 75,752 12.1 mi
Washington 7,290 14.3 mi
Coralville 23,234 14.9 mi
Tiffin 5,737 15.9 mi
West Liberty 3,776 17.2 mi
West Branch 2,594 17.3 mi
North Liberty 21,125 18.1 mi
Solon 3,152 22.7 mi
Williamsburg 3,360 26.2 mi
Muscatine 23,489 26.5 mi
Wilton 2,920 29.2 mi

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

Cite this page

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

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