Zip lookup · SD

57042
Madison, South Dakota.

Madison, Lake County, SD · population 7,756

What it costs per month · 57042 $1,402/mo

to buy the typical home at today's mortgage rate — +$873 (+165%) since Jan 2020.

What the home itself did
1 year
Up $3,421 +1%
$263,638$267,060 since Sep 2025
5 years
Up $75,344 +39%
$191,715$267,060 since Sep 2021

Monthly payment to buy the typical home

Home value × that month's 30-year mortgage rate, 20% down, principal and interest. This is the line households feel: prices and rates compound each other.

$500 $1,000 $1,500 $2,000 2002 2006 2010 2014 2018 2022 2026 57042 $1,402 United States $1,922
$500 $1,000 $1,500 $2,000 2002 2010 2018 2026
  • 57042$1,402
  • United States$1,922

At the last five years' pace, a typical home here doubles in price every 10 years.

Typical home values in zip 57042 rose 1.3% over the past year — in step with the nation.

This zip spans 2 counties: Lake County, SD 99% · McCook County, SD 1%

Zillow also publishes an index for the city itself: Madison, SD — measured over the city limits, which is a different area from this zip.

Typical home value $267,060 as of Sep 2026
+1.3%year on year

Typical home value — 57042

Mid-tier homes, smoothed and seasonally adjusted.

$150,000 $200,000 $250,000 $300,000 $350,000 2018 2020 2022 2024 2026 57042 $267,060 United States $366,157
$150,000 $200,000 $250,000 $300,000 $350,000 2018 2022 2026
  • 57042$267,060
  • United States$366,157

Within 20 miles

Coordinates and population from SimpleMaps US Zips (Basic). Rent and home values from Zillow Research.