ZIP codes
10
Clay County, IA Demographics & ZIP Codes
Clay County, Iowa demographics and median household income by ZIP code — 10 ZIP codes — population 16,414 — avg. income $75,555 — avg. home value $132,930. Compare income, housing, and ZIP-level data on US5.
Population
16,414
Median household income (avg.)
$75,555
101% of U.S. median
Average home value
$132,930
38% of U.S. median
Average rent
$583
50% of U.S. median
Clay County demographics
Clay County, Iowa covers 10 ZIP codes, with a combined ZIP-area population of about 16,414.
Median household income in Clay County
The average median household income across ZIP codes in Clay County, Iowa is about $75,555 — about even with the IA ZIP average ($74,194), and about even with the U.S. median ($75,149).
Among ZIPs with income data, 51333 (Dickens) is near the top at about $96,563, while 51338 (Everly) is near the bottom at about $56,346.
Housing in Clay County
For housing in Clay County, Iowa, the average median home value is about $132,930 and the average median rent is about $583.
The most populous ZIP is 51301 (Spencer) with about 12,402 residents. Use the table below to compare ZIP codes across the county.
ZIP codes in Clay County
Sort by population, income, or home value. Click a column header to toggle ascending / descending.
| ZIP | City | County | State | Population ↓ | Income | Home value |
|---|---|---|---|---|---|---|
| 51301 | Spencer | Clay County | IA | 12,402 | $61,175 | $180,400 |
| 51338 | Everly | Clay County | IA | 912 | $56,346 | $120,400 |
| 51357 | Royal | Clay County | IA | 841 | $72,344 | $121,300 |
| 51047 | Peterson | Clay County | IA | 739 | $93,125 | $130,500 |
| 51033 | Linn Grove | Clay County | IA | 396 | $61,136 | $185,000 |
| 51333 | Dickens | Clay County | IA | 395 | $96,563 | $181,600 |
| 51366 | Webb | Clay County | IA | 335 | $75,000 | $119,400 |
| 51343 | Greenville | Clay County | IA | 279 | — | $111,500 |
| 51340 | Fostoria | Clay County | IA | 80 | $88,750 | $116,700 |
| 51341 | Gillett Grove | Clay County | IA | 35 | — | $62,500 |
Frequently asked questions
What are the demographics of Clay County?
Clay County, Iowa has a combined ZIP-area population of about 16,414 across 10 ZIP codes. Browse the ZIP table for population, income, and housing by code.
What is the median household income in Clay County?
The average median household income across ZIP codes in Clay County, Iowa is about $75,555, roughly in line with the state ZIP average ($74,194), and near the U.S. median ($75,149). Average median home value is about $132,930. Among ZIPs with data, 51333 (Dickens) is near the top ($96,563) and 51338 (Everly) is near the bottom ($56,346).
How many ZIP codes are in Clay County?
Clay County, Iowa includes 10 ZIP codes on US5. Each row links to demographics, median income, and housing for that code.
Where can I find ZIP code demographics for Clay County?
This page lists ZIP codes in Clay County, Iowa with population, median household income, and home value. Select a ZIP for a full demographics profile.