Zip lookup · IL

61770
Saybrook, Illinois.

Saybrook, McLean County, IL · Bloomington, IL metro · population 1,067

What it costs per month · 61770 $851/mo

to buy the typical home at today's mortgage rate — +$457 (+116%) since Jan 2020.

What the home itself did
1 year
Up $13,293 +9%
$148,751$162,044 since Sep 2025
5 years
Up $46,554 +40%
$115,491$162,044 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 61770 $851 United States $1,922
$500 $1,000 $1,500 $2,000 2002 2010 2018 2026
  • 61770$851
  • 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 61770 rose 8.9% over the past year — faster than the nation's +1.2%.

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

Typical home value $162,044 as of Sep 2026
+8.9%year on year

Typical home value — 61770

Mid-tier homes, smoothed and seasonally adjusted.

$100,000 $200,000 $300,000 2018 2020 2022 2024 2026 61770 $162,044 Bloomington $260,593 United States $366,157
$100,000 $200,000 $300,000 2018 2022 2026
  • 61770$162,044
  • Bloomington$260,593
  • United States$366,157

Within 20 miles

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
5.7 61722 Arrowsmith 658 — $197,430
7.3 61724 Bellflower 369 — $140,854
8.8 60936 Gibson City 4,246 — $176,813
10.8 61728 Colfax 1,359 — $175,329
11.0 61737 Ellsworth 416 — $230,080
11.4 61843 Fisher 1,934 — $236,735
12.0 61773 Sibley 367 — $155,537
12.8 61730 Cooksville 361 — $189,993
14.4 61752 Le Roy 4,332 — $212,006
15.7 61842 Farmer City 2,620 — $183,811
16.0 61853 Mahomet 14,831 $1,789 $352,526
16.1 61854 Mansfield 1,299 — $242,783
16.7 61736 Downs 2,673 — $323,110
16.7 60952 Melvin 683 — $124,179
19.4 61753 Lexington 2,833 — $240,060

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