Zip lookup · MI

49831
Foster City, Michigan.

Foster City, Dickinson County, MI · Iron Mountain, MI-WI metro · population 524

What it costs per month · 49831 $890/mo

to buy the typical home at today's mortgage rate — +$419 (+89%) since Jan 2020.

What the home itself did
1 year
Up $11,215 +7%
$158,338$169,553 since Sep 2025
5 years
Up $30,097 +22%
$139,456$169,553 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 49831 $890 United States $1,922
$500 $1,000 $1,500 $2,000 2002 2010 2018 2026
  • 49831$890
  • United States$1,922

At the last five years' pace, a typical home here doubles in price every 18 years.

Typical home values in zip 49831 rose 7.1% over the past year — faster than the nation's +1.2%.

This zip spans 2 counties: Dickinson County, MI 68% · Marquette County, MI 32%

Typical home value $169,553 as of Sep 2026
+7.1%year on year

Typical home value — 49831

Mid-tier homes, smoothed and seasonally adjusted.

$100,000 $200,000 $300,000 2018 2020 2022 2024 2026 49831 $169,553 Iron Mountain $184,731 United States $366,157
$100,000 $200,000 $300,000 2018 2022 2026
  • 49831$169,553
  • Iron Mountain$184,731
  • United States$366,157

Within 20 miles

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