ZIP codes
7
Allen County, KS Demographics & ZIP Codes
Allen County, Kansas demographics and median household income by ZIP code — 7 ZIP codes — population 12,217 — avg. income $60,721 — avg. home value $106,617. Compare income, housing, and ZIP-level data on US5.
Population
12,217
Median household income (avg.)
$60,721
81% of U.S. median
Average home value
$106,617
31% of U.S. median
Average rent
$416
36% of U.S. median
Allen County demographics
Allen County, Kansas covers 7 ZIP codes, with a combined ZIP-area population of about 12,217.
Median household income in Allen County
The average median household income across ZIP codes in Allen County, Kansas is about $60,721 — about 14% below the KS ZIP average ($70,475), and about 19% below the U.S. median ($75,149).
Among ZIPs with income data, 66742 (Gas) is near the top at about $86,458, while 66751 (La Harpe) is near the bottom at about $43,833.
Housing in Allen County
For housing in Allen County, Kansas, the average median home value is about $106,617 and the average median rent is about $416.
The most populous ZIP is 66749 (Iola) with about 7,452 residents. Use the table below to compare ZIP codes across the county.
ZIP codes in Allen County
Sort by population, income, or home value. Click a column header to toggle ascending / descending.
| ZIP | City | County | State | Population ↓ | Income | Home value |
|---|---|---|---|---|---|---|
| 66749 | Iola | Allen County | KS | 7,452 | $56,510 | $101,000 |
| 66748 | Humboldt | Allen County | KS | 2,864 | $58,723 | $107,100 |
| 66755 | Mildred | Allen County | KS | 825 | $66,607 | $132,700 |
| 66751 | La Harpe | Allen County | KS | 503 | $43,833 | $57,000 |
| 66732 | Elsmore | Allen County | KS | 272 | $64,250 | $79,400 |
| 66772 | Savonburg | Allen County | KS | 270 | $48,667 | $162,500 |
| 66742 | Gas | Allen County | KS | 31 | $86,458 | — |
Frequently asked questions
What are the demographics of Allen County?
Allen County, Kansas has a combined ZIP-area population of about 12,217 across 7 ZIP codes. Browse the ZIP table for population, income, and housing by code.
What is the median household income in Allen County?
The average median household income across ZIP codes in Allen County, Kansas is about $60,721, about 14% below the state ZIP average ($70,475), and about 19% below the U.S. median ($75,149). Average median home value is about $106,617. Among ZIPs with data, 66742 (Gas) is near the top ($86,458) and 66751 (La Harpe) is near the bottom ($43,833).
How many ZIP codes are in Allen County?
Allen County, Kansas includes 7 ZIP codes on US5. Each row links to demographics, median income, and housing for that code.
Where can I find ZIP code demographics for Allen County?
This page lists ZIP codes in Allen County, Kansas with population, median household income, and home value. Select a ZIP for a full demographics profile.