Zip lookup · IL

60423
Frankfort, Illinois.

Frankfort, Will County, IL · Chicago-Naperville-Elgin, IL-IN-WI metro · population 32,836

What it costs per month · 60423 $2,632/mo

to buy the typical home at today's mortgage rate — +$1,426 (+118%) since Jan 2020.

What the home itself did
1 year
Up $17,611 +4%
$483,852$501,463 since Sep 2025
5 years
Up $122,239 +32%
$379,224$501,463 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 $2,500 2002 2006 2010 2014 2018 2022 2026 60423 $2,632 United States $1,922
$500 $1,000 $1,500 $2,000 $2,500 2002 2010 2018 2026
  • 60423$2,632
  • United States$1,922

At the last five years' pace, a typical home here doubles in price every 12 years.

Typical home values in zip 60423 rose 3.6% over the past year — faster than the nation's +1.2%.

This zip spans 2 counties: Will County, IL 95% · Cook County, IL 5%

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

Typical home value $501,463 as of Sep 2026
+3.6%year on year

Typical home value — 60423

Mid-tier homes, smoothed and seasonally adjusted.

$300,000 $400,000 $500,000 2018 2020 2022 2024 2026 60423 $501,463 Chicago $355,650 United States $366,157
$300,000 $400,000 $500,000 2018 2022 2026
  • 60423$501,463
  • Chicago$355,650
  • United States$366,157

Within 20 miles

Showing 30 of 79 zips in range — sorting picks from all 79.

Miles sorted ascending, activate to sort descending Zip activate to sort by Zip City activate to sort by City Population activate to sort by Population Rent activate to sort by Rent Home value activate to sort by Home value
5.0 60448 Mokena 24,405 — $451,800
5.1 60443 Matteson 20,663 $2,192 $271,562
5.7 60471 Richton Park 12,848 $1,651 $228,279
5.8 60487 Tinley Park 26,043 $3,196 $398,088
5.8 60449 Monee 9,477 — $353,905
6.6 60451 New Lenox 37,361 $2,549 $456,915
7.1 60477 Tinley Park 35,976 $2,070 $309,263
7.2 60484 University Park 6,762 $1,846 $198,172
7.4 60478 Country Club Hills 16,390 $3,125 $215,734
8.1 60461 Olympia Fields 4,761 — $342,933
8.1 60466 Park Forest 21,461 $1,857 $160,107
8.6 60467 Orland Park 24,398 — $483,992
8.7 60442 Manhattan 13,753 — $399,412
9.0 60422 Flossmoor 9,542 — $338,924
10.0 60452 Oak Forest 26,739 $2,140 $301,245
10.0 60468 Peotone 5,809 — $338,983
10.1 60462 Orland Park 41,456 $2,188 $375,271
10.4 60429 Hazel Crest 14,864 $2,612 $183,111
10.6 60491 Homer Glen 22,757 — $531,357
10.6 60433 Joliet 16,382 $1,395 $211,926
10.7 60430 Homewood 19,838 $1,969 $252,689
11.0 60475 Steger 10,035 $1,365 $173,924
11.2 60432 Joliet 20,465 — $208,488
11.3 60428 Markham 10,927 — $155,747
11.6 60445 Midlothian 14,268 $1,544 $231,893
12.6 60418 Crestwood 10,572 — $189,178
12.6 60425 Glenwood 8,714 $2,034 $219,386
12.8 60463 Palos Heights 13,722 — $405,171
13.0 60469 Posen 5,205 — $202,902
13.1 60411 Chicago Heights 52,175 $1,694 $179,771

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