Oldham County, KY Demographics & ZIP Codes
Oldham County, Kentucky demographics and median household income by ZIP code — 7 ZIP codes — population 79,445 — avg. income $122,042 — avg. home value $380,100. Compare income, housing, and ZIP-level data on US5.
Oldham County demographics
Oldham County, Kentucky covers 7 ZIP codes, with a combined ZIP-area population of about 79,445.
Median household income in Oldham County
The average median household income across ZIP codes in Oldham County, Kentucky is about $122,042 — about 113% above the KY ZIP average ($57,217), and about 62% above the U.S. median ($75,149).
Among ZIPs with income data, 40059 (Louisville/Jefferson County metro government (balance)) is near the top at about $165,000, while 40077 (Westport) is near the bottom at about $61,912.
Housing in Oldham County
For housing in Oldham County, Kentucky, the average median home value is about $380,100 and the average median rent is about $1,212.
The most populous ZIP is 40031 (La Grange) with about 25,697 residents. Use the table below to compare ZIP codes across the county.
ZIP codes in Oldham County
Sort by population, income, or home value. Click a column header to toggle ascending / descending.
| ZIP | City | County | State | Population ↓ | Income | Home value |
|---|---|---|---|---|---|---|
| 40031 | La Grange | Oldham County | KY | 25,697 | $96,682 | $316,300 |
| 40014 | Crestwood | Oldham County | KY | 23,039 | $118,750 | $381,500 |
| 40059 | Louisville/Jefferson County metro government (balance) | Oldham County | KY | 19,899 | $165,000 | $533,800 |
| 40026 | Goshen | Oldham County | KY | 6,192 | $131,897 | $425,600 |
| 40056 | Pewee Valley | Oldham County | KY | 3,361 | $123,317 | $319,400 |
| 40010 | Buckner | Oldham County | KY | 660 | $156,736 | $486,400 |
| 40077 | Westport | Oldham County | KY | 597 | $61,912 | $197,700 |
Frequently asked questions
What are the demographics of Oldham County?
Oldham County, Kentucky has a combined ZIP-area population of about 79,445 across 7 ZIP codes. Browse the ZIP table for population, income, and housing by code.
What is the median household income in Oldham County?
The average median household income across ZIP codes in Oldham County, Kentucky is about $122,042, about 113% above the state ZIP average ($57,217), and about 62% above the U.S. median ($75,149). Average median home value is about $380,100. Among ZIPs with data, 40059 (Louisville/Jefferson County metro government (balance)) is near the top ($165,000) and 40077 (Westport) is near the bottom ($61,912).
How many ZIP codes are in Oldham County?
Oldham County, Kentucky 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 Oldham County?
This page lists ZIP codes in Oldham County, Kentucky with population, median household income, and home value. Select a ZIP for a full demographics profile.