Data as of July 2026. Source: Realtor.com.
The ALTON, IA real estate market (51003) currently shows 3 active listings, with 1 pending sales. Homes are averaging 13 days on the market before going under contract.
Inventory has tightened compared to last year, with 2 fewer active listings — creating more competition among buyers.
Homes are selling faster, averaging 13 days on market compared to 27 days last year.
The median listing price has fallen 29.9% year-over-year, from $462,000 to $323,750.
Whether you are buying or selling in ALTON, IA, SELL123.com can help you save significantly on commission — typically 2% compared to traditional 5% broker fees. Call (240) SELL-123 for a free consultation.
Population: 1,761 · Density: 12.5/mi² · Median household income: $85,536
Typical home value: $215,886 · Homeownership: 88.4%
| Zip | City / State | Distance | Listings | Market Value | Median $ | Average $ |
|---|---|---|---|---|---|---|
| 51003 | Alton, IA 51003 | 0.0 mi | 5 | $1,453,000 | $300,000 | $290,600 |
| 51022 | Granville, IA 51022 | 7.0 mi | 3 | $1,076,499 | $265,000 | $358,833 |
| 51036 | Maurice, IA 51036 | 10.3 mi | 2 | $523,000 | $261,500 | $261,500 |
| 51250 | Sioux Center, IA 51250 | 13.4 mi | 22 | $10,069,136 | $433,750 | $457,688 |
| 51231 | Archer, IA 51231 | 15.0 mi | 1 | $429,000 | $429,000 | $429,000 |
| 51046 | Paullina, IA 51046 | 15.6 mi | 3 | $582,120 | $156,975 | $194,040 |
| 51035 | Marcus, IA 51035 | 16.9 mi | 3 | $662,376 | $192,475 | $220,792 |
| 51027 | Ireton, IA 51027 | 17.3 mi | 2 | $458,000 | $229,000 | $229,000 |
| 51037 | Meriden, IA 51037 | 20.6 mi | 1 | $268,500 | $268,500 | $268,500 |
| 51248 | Sanborn, IA 51248 | 22.5 mi | 7 | $2,294,033 | $371,250 | $327,719 |
| 51232 | Ashton, IA 51232 | 23.5 mi | 1 | $159,000 | $159,000 | $159,000 |
| 51023 | Hawarden, IA 51023 | 24.4 mi | 7 | $2,272,200 | $230,725 | $324,600 |
| 51038 | Merrill, IA 51038 | 25.5 mi | 3 | $837,624 | $307,125 | $279,208 |
As of July 2026, there are 3 active listings in ALTON, IA (zip code 51003), compared to 5 the prior year.
The median listing price in ALTON, IA 51003 is $323,750 as of July 2026, a 29.9% decrease from $462,000 the prior year.
Homes in ALTON, IA 51003 spend an average of 13 days on the market before going under contract, compared to 27 days the prior year.
Based on current inventory and days-on-market data as of July 2026, ALTON, IA 51003 is currently a Seller's Market. Inventory has tightened compared to last year, with 2 fewer active listings — creating more competition among buyers. Homes are selling faster, averaging 13 days on market compared to 27 days last year.
With SELL123.com's maximum 3% commission, sellers in ALTON, IA 51003 save an estimated $6,475 compared to a typical 5% commission on the median listing price of $323,750. Our fee structure: 1% listing + 2% selling broker — no additional buyer or seller fees. Call (240) SELL-123 or email info@SELL123.com for a free consultation.