Zip lookup · IL

61071
Rock Falls, Illinois.

Rock Falls, Whiteside County, IL · Sterling, IL metro · population 13,581

What it costs per month · 61071 $641/mo

to buy the typical home at today's mortgage rate — +$337 (+111%) since Jan 2020.

What the home itself did
1 year
Down $226 -0%
$122,369$122,143 since Sep 2025
5 years
Up $31,599 +35%
$90,545$122,143 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 61071 $641 United States $1,922
$500 $1,000 $1,500 $2,000 2002 2010 2018 2026
  • 61071$641
  • 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 61071 fell 0.2% over the past year — slower than the nation's +1.2%.

This zip spans 2 counties: Whiteside County, IL 89% · Lee County, IL 11%

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

Asking rent $825 as of Jul 2026
Typical home value $122,143 as of Sep 2026
-0.2%year on year

Asking rent — 61071

Against the Sterling, IL metro and the national benchmark.

Not enough data to draw this yet.

Typical home value — 61071

Mid-tier homes, smoothed and seasonally adjusted.

$100,000 $200,000 $300,000 2018 2020 2022 2024 2026 61071 $122,143 Sterling $146,821 United States $366,157
$100,000 $200,000 $300,000 2018 2022 2026
  • 61071$122,143
  • Sterling$146,821
  • 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
7.7 61042 Harmon 404 — $206,491
8.4 61081 Sterling 20,844 — $145,946
10.4 61283 Tampico 1,269 — $130,604
10.9 61261 Lyndon 656 — $123,254
13.5 61021 Dixon 22,308 $1,113 $180,430
13.7 61376 Walnut 1,894 — $154,155
14.7 61277 Prophetstown 3,054 — $171,425
15.4 61270 Morrison 6,912 — $173,151
17.9 61349 Ohio 1,151 — $158,626
18.0 61051 Milledgeville 1,469 — $151,453
18.3 61310 Amboy 3,347 — $187,097
19.1 61064 Polo 3,757 — $179,416
19.2 61251 Fenton 377 — $233,186
19.7 61014 Chadwick 1,067 — $152,691

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