ZIP 72738 falls in Madison County, Arkansas, where we hold 6,853 parcels measured as septic county-wide and 1,006 on sewer. We do not have a per-ZIP parcel count for this county, so this is the county total, not a count specific to ZIP 72738.
ZCTA 72738 is not entirely inside one county. Land-area share is from the 2020 Census ZCTA-to-county relationship file.
| County | Land in this ZIP | Documents held | On septic (county) | On sewer (county) |
|---|---|---|---|---|
| Madison County, Arkansas | 80% | — | 6,853 | 1,006 |
| Washington County, Arkansas | 13% | — | 17,958 | 53,008 |
| Benton County, Arkansas | 7% | 1,049 | 36,222 | 56,567 |
Land-area overlap is from the 2020 Census Bureau ZCTA5-to-county relationship file, not an estimate of ours. Parcel and document counts are rows we hold, not a survey of every property in the ZIP. Last verified 2026-09-01.
We hold 6,853 parcels measured as septic for Madison County, Arkansas as a whole, not broken out by ZIP.
ZIP 72738 spans 3 counties: Madison County, Arkansas, Washington County, Arkansas, Benton County, Arkansas.