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Advertise here →Grand Detour, IL · Census-designated place
Grand Detour, Illinois houses and real estate market data.
Houses in Grand Detour, IL (Ogle County) — market data for Grand Detour houses and the whole local market.
Census-designated place · Census GEOID 1730705
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$374,999 • 3 Beds • 2 Baths • 1,204 Sq Ft
554 Keys, Clearlake Oaks, CA 95423
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Scott Brown - EXP Realty
Scott@USAHouses.com
Call/Text (707) 474-8855
👉 Click Anywhere on Ad for More Info / Listing Page
Grand Detour, IL is a Census-designated place in Ogle County, Illinois — this guide covers houses in Grand Detour and the whole local market: resale homes, condos, land, and new construction.
Info from government sites and builders may have provided source info.
Open map pin ↗ · 41.901154, -89.41309
At a glance
Grand Detour market snapshot
Place type
Census-designated place
County
Ogle County
Map pin
41.901154, -89.41309
Census GEOID
1730705
Land area
1.17 sq mi
Market data compiled from public sources; deemed reliable but not guaranteed; verify independently. See About
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Advertise here →Why Grand Detour
What makes Grand Detour different
Census-designated place
The U.S. Census Bureau lists Grand Detour as a Census-designated place in Ogle County, Illinois — a settled community that is not an incorporated city, town, or village. This page uses the same /illinois/grand-detour/ guide pattern as incorporated places.
Nearby
Places around Grand Detour
County guide: Ogle County — cities, market context, and local resources for the county that includes Grand Detour.
USAHouses.com also publishes Census place pages for other communities in the same county as Grand Detour.
Nearby communities include Lost Nation, Oregon, Mount Morris, Polo, Leaf River, Byron, Adeline, Kings, Forreston, Stillman Valley, Hillcrest, Holcomb, Davis Junction, Baileyville, Creston, Monroe Center.
Lost Nation market data
Nearby city · ~2.4 mi
Oregon market data
Nearby city · ~8.7 mi
Mount Morris market data
Nearby city · ~10.2 mi
Polo market data
Nearby city · ~10.4 mi
Leaf River market data
Nearby city · ~15.3 mi
Byron market data
Nearby city · ~17.0 mi
Adeline market data
Nearby city · ~17.0 mi
Kings market data
Nearby city · ~17.2 mi
Forreston market data
Nearby city · ~17.8 mi
Stillman Valley market data
Nearby city · ~18.5 mi
Hillcrest market data
Nearby city · ~18.6 mi
Holcomb market data
Nearby city · ~19.8 mi
Davis Junction market data
Nearby city · ~22.2 mi
Baileyville market data
Nearby city · ~22.5 mi
Creston market data
Nearby city · ~22.7 mi
Monroe Center market data
Nearby city · ~25.5 mi
Adjacent-county Census places with USAHouses.com pages: Nachusa (~4.9 mi), Dixon (~5.2 mi), Franklin Grove (~7.1 mi), Ashton (~10.0 mi), Nelson (~12.4 mi), Lee Center (~12.6 mi), Amboy (~13.3 mi), Harmon (~14.3 mi), Rochelle (~18.0 mi), West Brooklyn (~19.8 mi), Sublette (~20.2 mi), Steward (~20.6 mi), German Valley (~21.9 mi), Compton (~22.1 mi), New Milford (~26.4 mi), Paw Paw (~26.7 mi).
Census & home facts
Grand Detour data from published sources
County FHFA annual change (2025)
6.87%
County median listing price (FRED/Realtor.com) (2026-06-01)
$304,494
Census place type
CDP
County
Ogle County
Land area (Census Gazetteer 2024)
1.17 sq mi
Census GEOID
1730705
Census ACS, FHFA, and FRED figures are labeled with the year present in existing CSVs. Subject to change / confirm locally.
NewUSAHouses.com communities
Closest verified new-home communities near Grand Detour
Availability and pricing are controlled by the builder and may change; confirm with the builder.
Prairie Springs ↗
Lennar · Malta, Illinois · ~27.7 mi · from $307,990
Deerfield Crossing ↗
Lennar · Waterman, Illinois · ~35.2 mi · from $326,990
Reston Ponds ↗
Lennar · Sycamore, Illinois · ~38.1 mi · from $399,990
Forest View Manor ↗
Champion Homes · Genoa, Illinois · ~39.1 mi
Royal Estates ↗
Lennar · Hinckley, Illinois · ~40.7 mi · from $379,990
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Common questions
Grand Detour FAQ
What kind of place is Grand Detour, IL?
The U.S. Census Bureau lists Grand Detour as a Census-designated place in Ogle County, Illinois — a settled community that is not an incorporated city, town, or village.
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