Clinton County, IA ZIP codes
Clinton County ZIP codes by town
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.
Map of Clinton County ZIP codes
The ZIP codes of Clinton 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.
Clinton County in numbers
About 46,268 people live in Clinton County, in 19,506 households, the 12th most populous of Iowa's 99 counties. The median household income is $66,981 a year, 11% below the Iowa median of $75,059 (US: $80,734). The median owner-occupied home is valued at $160,600 (23% below the Iowa median), and median gross rent is $850 a month. The median age is 42.4; 22.4% of adults 25 and over hold a bachelor's degree or higher (31.4% across Iowa); the average commute takes 22 minutes.
| Population | 46,268 |
|---|---|
| Households | 19,506 |
| Median age | 42.4 |
| Median household income | $66,981 |
| Median home value | $160,600 |
| Median gross rent | $850 |
| Bachelor's degree or higher | 22.4% |
| Mean commute | 21.7 min |
| Population density | 67 / 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 Clinton County
| Town | ZIP codes | Population |
|---|---|---|
| Clinton | 4 | 24,322 |
| De Witt | 1 | 7,284 |
| Camanche | 1 | 4,550 |
| Wheatland | 1 | 925 |
| Grand Mound | 1 | 510 |
| Delmar | 1 | 480 |
| Charlotte | 1 | 454 |
| Calamus | 1 | 417 |
| Bryant | 1 | 398 |
| Lost Nation | 1 | 390 |
| Goose Lake | 1 | 387 |
| Low Moor | 1 | 253 |
| Andover | 1 | 124 |
| Welton | 1 | 114 |
| Teeds Grove | 1 | 56 |
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 Clinton County.
Not sure you are in Clinton County? What county am I in? answers from your location, near a county line included.
Every ZIP code in Clinton County, with figures
| ZIP | City | Type | Population | Median income | Median home |
|---|---|---|---|---|---|
52037 | Delmar , IA | Standard | 1,172 | $90,813 | $198,400 |
52254 | Lost Nation , IA | Standard | 1,004 | $64,375 | $113,600 |
52701 | Andover , IA | Standard | 124 | — | $118,800 |
52727 | Bryant , IA | Standard | 398 | $103,188 | $258,300 |
52729 | Calamus , IA | Standard | 886 | $87,500 | $178,800 |
52730 | Camanche , IA | Standard | 4,776 | $64,543 | $177,200 |
52731 | Charlotte , IA | Standard | 867 | $87,727 | $155,900 |
52732 | Clinton , IA | Standard | 25,880 | $61,105 | $122,100 |
52733 | Clinton , IA | No street area | — | — | — |
52734 | Clinton , IA | No street area | — | — | — |
52736 | Clinton , IA | No street area | — | — | — |
52742 | De Witt , IA | Standard | 7,284 | $97,946 | $261,000 |
52750 | Goose Lake , IA | Standard | 654 | $93,155 | $167,300 |
52751 | Grand Mound , IA | Standard | 976 | $82,143 | $172,700 |
52757 | Low Moor , IA | Standard | 242 | $62,500 | $118,300 |
52771 | Teeds Grove , IA | Standard | 56 | — | — |
52774 | Welton , IA | Standard | 101 | $71,250 | $118,800 |
52777 | Wheatland , IA | Standard | 1,389 | $60,250 | $158,900 |
Cite this page
zipcodes.pro. “Clinton County ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/state/ia/county/clinton
Underlying data is public domain or openly licensed — sources, vintages and licences.