Unshakable ZIP Data 64840 | Diamond, MO Housing Market
Diamond · Newton County · Joplin, MO metro · Missouri · Data updated June 19, 2026
The median sale price in ZIP 64840, Diamond, Missouri is $243,878 at $134 per square foot. 12 single-family homes sold in the latest period, up 37.3 percent from a year earlier. Homes sit a median of 14 days on market with 2.1 months of supply. Sellers are getting 95.7 percent of list price and 0.0 percent of homes sold above asking.
Buyer leverage market. Negotiate hard.
Value anchors
| Metric | Value | Year over year |
|---|---|---|
| Average single-family value | $249,022 | |
| Average price per sq ft | $137 | |
| Median sale price | $243,878 | |
| Median sale price per sq ft | $134 | |
| Median home size | 1,817 sq ft | |
| Median new listing price | $287,443 | -12.9% |
| National size rank | 14,675 |
Sales activity
| Metric | Value | Year over year |
|---|---|---|
| Homes sold | 12 | +37.3% |
| Median days on market | 14 days | |
| Months of supply | 2.1 months | |
| New listings | 11 | +1.5% |
| Active listings | 21 | +6.4% |
| Pending sales | 10 | -7.8% |
Pricing power
| Metric | Value | Year over year |
|---|---|---|
| Average sale-to-list ratio | 95.7% | |
| Share sold above list | 0.0% | 0.0 pts |
Bedroom value anchors
Average values by bedroom count. Value anchors for orientation, not appraisals.
2-bedroom
$185,647
3-bedroom
$232,202
These figures describe the single-family market for Diamond, Missouri ZIP 64840. They are market context, not a substitute for sold comps or a formal appraisal.