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Grafton, Illinois facts for kids

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LaMarsh house grafton.JPG
The Slaten-LaMarsh House, Downtown Grafton
Motto: “Key West of the Midwest”
Country United States
State Illinois
County Jersey
Township Quarry
Elevation 435 ft (132.6 m)
Coordinates 38°58′16″N 90°26′13″W / 38.97111°N 90.43694°W / 38.97111; -90.43694
Area 3.70 sq mi (9.6 km²)
 - land 3.70 sq mi (10 km²)
 - water 0.00 sq mi (0 km²), 0%
Population 674 (2010)
Density 182.2 /sq mi (70.3 /km²)
Founded 1832
Government Mayor-Council
Mayor Tom Thompson
Timezone CST (UTC-6)
 - summer (DST) CDT (UTC-5)
Postal code 62037
Area code 618

Grafton is the oldest city in Jersey County, Illinois, United States. It is located near the confluence of the Illinois and Mississippi Rivers. As of the 2010 U.S. census, the city had a total population of 674. Prior to the Great Flood of 1993, Grafton had enjoyed a stable population of nearly 1,000 residents.

Grafton is a part of the Metro-East region and the St. Louis Metropolitan Statistical Area.


Founded in 1832 by James Mason, Grafton is the oldest city in Jersey County. Described as having "a post office, one store, one tavern, and a number of families" in 1834, the area was being settled as early as 1812 when a blockhouse was built at the confluence for protection. The city was named after Mason's birthplace of Grafton, Massachusetts. Grafton was incorporated on May 16, 1907.

Grafton’s population reached its peak at approximately 10,000 in the 1850s with employment opportunities coming from the local stone quarries, boat building and commercial fishing. At one point, there were five quarries in or around Grafton that employed nearly 2,000 men. The local limestone was used to build the Eads Bridge in St. Louis, government buildings in Rock Island, and the Jersey County Courthouse in Jerseyville. The Shafer’s Wharf Historic District was one of the largest commercial fishing centers along the Mississippi River in the late 19th century. The Old Boatworks, located south of Main Street, once housed a paint house and a machine shop where paddle wheelers and later PT boats were built. Today, the Old Boatworks building hosts many antique and craft stalls and is open on the fourth weekend of each month from May through October.

The Great Flood of 1993 caused significant damage to many of Grafton's structures, as well as causing a third of the city's residents to move out of the city. The effects of the flood are still present, as the city has not yet reached the population it had before the flood.


Grafton is located at 38°58′16″N 90°26′13″W / 38.97111°N 90.43694°W / 38.97111; -90.43694 (38.971115, -90.436818).

According to the 2010 census, Grafton has a total area of 3.7 square miles (9.58 km2), all land.


Typically, the city's climate reflects most Midwest cities, located in the transitional zone between the humid continental climate type and the humid subtropical climate type (Köppen Dfa and Cfa, respectively), with neither large mountains nor large bodies of water to moderate its temperature. Spring is the wettest season and produces severe weather ranging from tornadoes to snow or ice storms. Summers are hot and humid, and the humidity often makes the heat index rise to temperatures feeling well above 100 °F (38 °C). Fall is mild with lower humidity and can produce intermittent bouts of heavy rainfall with the first snow flurries usually forming in late November. Winters can be cold at times with periodic light snow and temperatures below freezing.


Historical population
Census Pop.
1850 222
1860 1,266 470.3%
1880 807
1890 927 14.9%
1900 988 6.6%
1910 1,116 13.0%
1920 949 −15.0%
1930 1,026 8.1%
1940 1,110 8.2%
1950 1,117 0.6%
1960 1,084 −3.0%
1970 1,018 −6.1%
1980 1,024 0.6%
1990 918 −10.4%
2000 609 −33.7%
2010 674 10.7%
2015 (est.) 653 −3.1%
Decennial US Census

As of the census of 2000, there were 609 people, 265 households, and 174 families residing in the city. The population density was 150.2 people per square mile (57.9/km²). There were 293 housing units at an average density of 72.2 per square mile (27.9/km²). The racial makeup of the city was 99.01% White, 0.16% African American, 0.16% Native American, and 0.66% from two or more races. Hispanic or Latino of any race were 0.99% of the population.

There were 265 households out of which 23.0% had children under the age of 18 living with them, 51.7% were married couples living together, 10.6% had a female householder with no husband present, and 34.0% were non-families. 29.1% of all households were made up of individuals and 15.1% had someone living alone who was 65 years of age or older. The average household size was 2.30 and the average family size was 2.84.

In the city, the population was spread out with 20.0% under the age of 18, 8.4% from 18 to 24, 23.3% from 25 to 44, 31.2% from 45 to 64, and 17.1% who were 65 years of age or older. The median age was 44 years. For every 100 females there were 93.3 males. For every 100 females age 18 and over, there were 99.6 males.

The median income for a household in the city was $34,706, and the median income for a family was $44,250. Males had a median income of $35,000 versus $22,250 for females. The per capita income for the city was $21,989. About 9.4% of families and 14.0% of the population were below the poverty line, including 33.3% of those under age 18 and 10.6% of those age 65 or over.


Ruebel Hotel
The Ruebel Hotel in Grafton

National Register of Historic Places

Grafton has seven places and sites that are listed on the National Register of Historic Places. The Grafton Historic District, Grafton Bank, the John and Amelia McClintock House, Ruebel Hotel, the Slaten-LaMarsh House, and the Paris Mason Building were all added in 1994. The Charles Brainerd House was added to the Register in 1998.

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