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Cheapest ZIPs in Mercer County, IL

No ZIP in Mercer County, ILclears the HavenScore: 60 quality floor this month — in high-cost counties, low prices and strong scores rarely overlap. Below is the affordable end anyway: the county’s most affordable scored ZIPs, ranked by median home value with each ZIP’s score shown. Refreshed October 2026.

  1. 1
    61442
    Keithsburg, IL
    $81,096
    HavenScore: 41
  2. 2
    61263
    Matherville, IL
    $135,098
    HavenScore: 45
  3. 3
    61272
    New Boston, IL
    $146,439
    HavenScore: 49
  4. 4
    61465
    Windsor, IL
    $162,346
    HavenScore: 45
  5. 5
    61486
    Viola, IL
    $166,946
    HavenScore: 43
  6. 6
    61260
    Joy, IL
    $167,032
    HavenScore: 34
  7. 7
    61231
    Aledo, IL
    $170,970
    HavenScore: 48
  8. 8
    61279
    Reynolds, IL
    $211,047
    HavenScore: 49
  9. 9
    61281
    Sherrard, IL
    $261,074
    HavenScore: 47

Mercer County against Illinois

The middle scored ZIP in each: 9 ZIPs in Mercer County, 1,084 in Illinois. HavenScore, scored October 1, 2026. Typical home value: Zillow, August 2026.

FigureMercer CountyIllinois
Typical home value, Zillow$167K$198K
HavenScore4550

Every scored ZIP in Mercer County, IL

All 9 scored ZIPs, A to Z by city. The list above ranks only the cheapest. HavenScore, scored October 1, 2026. Typical home value: Zillow, August 2026.

Each row: ZIP, city, HavenScore (0–100), typical home value (Zillow).

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Frequently asked questions

Why doesn't this list use the usual quality floor?
Cheapest-ZIPs lists normally include only ZIPs with HavenScore: 60 or above. No ZIP in Mercer County, IL clears that floor this month, so this page shows the county's most affordable scored ZIPs instead — with each ZIP's HavenScore shown, so the trade-off stays visible.
How is "most affordable" measured here?
ZIPs are ranked by median home value from lowest to highest across every scored ZIP in Mercer County, IL. Because no ZIP clears the quality floor this month, no score filter is applied to this list.
How often is this list updated?
This page refreshes monthly when our pipeline ingests new data from Zillow, Realtor, Redfin, and Census.