Location of Godfrey in Madison County, Illinois.
Location of Illinois in the United States
GODFREY ILLINOIS Latitude and Longitude:
|• Total||36.82 sq mi (95.38 km2)|
|• Land||34.85 sq mi (90.27 km2)|
|• Water||1.97 sq mi (5.10 km2)|
| • Estimate |
|• Density||506.40/sq mi (195.52/km2)|
|Time zone||UTC-6 ( CST)|
|• Summer ( DST)||UTC-5 ( CDT)|
|Wikimedia Commons||Godfrey, Illinois|
Godfrey is located at (38.948097, -90.202886).
According to the 2010 census, Godfrey has a total area of 36.638 square miles (94.89 km2), of which 34.64 square miles (89.72 km2) (or 94.55%) is land and 1.998 square miles (5.17 km2) (or 5.45%) is water. 
The southwestern boundary of the village is a wall of limestone bluffs along the Mississippi River. Approximately 12 miles (19 km) upstream is the mouth of the Illinois River. The Missouri River empties into the Mississippi 10 miles (16 km) downstream. Godfrey retains the status of a village and is a mixture of small business, agriculture, and upper middle class housing developments.
The village is named for Captain Benjamin Godfrey,  a native New Englander, who arrived in the area in 1832. 1838 saw the establishment of the Monticello Female Seminary, later renamed Monticello College. Captain Godfrey, the father of eight daughters, was an advocate of higher education for women and made a large donation of funds and land for the college. Monticello operated as a two-year college for women until the campus was sold in 1970 to establish Lewis and Clark Community College. Monticello's final class graduated in 1971.
|U.S. Decennial Census |
As of the census  of 2000, there were 16,286 people, 6,427 households, and 4,698 families residing in the village. The population density was 472.3 people per square mile (182.4/km²). There were 6,694 housing units at an average density of 194.1 per square mile (75.0/km²). The racial makeup of the village was 94.06% White, 4.04% African American, 0.31% Native American, 0.65% Asian, 0.01% Pacific Islander, 0.19% from other races, and 0.74% from two or more races. Hispanic or Latino of any race were 0.98% of the population.
There were 6,427 households out of which 29.7% had children under the age of 18 living with them, 62.2% were married couples living together, 8.0% had a female householder with no husband present, and 26.9% were non-families. 23.3% of all households were made up of individuals and 11.4% had someone living alone who was 65 years of age or older. The average household size was 2.46 and the average family size was 2.90.
In the village, the population was spread out with 22.6% under the age of 18, 6.3% from 18 to 24, 26.8% from 25 to 44, 26.5% from 45 to 64, and 17.8% who were 65 years of age or older. The median age was 42 years. For every 100 females, there were 95.6 males. For every 100 females age 18 and over, there were 92.1 males.
The median income for a household in the village was $50,342, and the median income for a family was $57,971. Males had a median income of $43,017 versus $27,870 for females. The per capita income for the village was $25,292. About 3.2% of families and 5.9% of the population were below the poverty line, including 5.1% of those under age 18 and 2.5% of those age 65 or over.
- Zoe Akins - Pulitzer Prize-winning poet and playwright, attended school in Godfrey
- Craig Hentrich - NFL punter from 1994 - 2009
- John Madson - freelance naturalist, tallgrass prairie ecosystems 
- Ellis Wainwright - brewer, art collector and socialite
- Sarah Palin - 6th great grand daughter of Benjamin Godfrey 
- "2017 U.S. Gazetteer Files". United States Census Bureau. Retrieved Dec 29, 2018.
- "Population and Housing Unit Estimates". Retrieved March 24, 2018.
- "Profile of General Population and Housing Characteristics: 2010 Demographic Profile Data (DP-1): Godfrey village, Illinois". U.S. Census Bureau, American Factfinder. Archived from the original on September 11, 2013. Retrieved January 23, 2012.
- "US Gazetteer files: 2010, 2000, and 1990". United States Census Bureau. 2011-02-12. Retrieved 2011-04-23.
- "G001 - Geographic Identifiers - 2010 Census Summary File 1". United States Census Bureau. Retrieved 2015-08-03.
- Gannett, Henry (1905). The Origin of Certain Place Names in the United States. Govt. Print. Off. p. 139.
- "National Geographic: Lewis & Clark—The Journey Begins". www.nationalgeographic.com. Retrieved 2016-05-22.
- "Lewis & Clark - Montana's Missouri River Country". Montana's Missouri River Country. Retrieved 2016-05-22.
- Reclamation, Bureau of. "Lewis and Clark: A Missouri River Adventure". www.usbr.gov. Retrieved 2016-05-22.
- "Census of Population and Housing". Census.gov. Archived from the original on May 12, 2015. Retrieved June 4, 2015.
- "American FactFinder". United States Census Bureau. Archived from the original on 2013-09-11. Retrieved 2008-01-31.
- Price, John T. (June 2014). The Tallgrass Prairie Reader. Iowa City, Iowa: University of Iowa Press. p. 184. ISBN 9781609382469.
- "Compact Tree for Sarah (Heath) Palin". www.wikitree.com. Retrieved 2018-05-15.