Delavan

• Name — Delavan • Type — City • Pushpin Map — USA Illinois Tazewell County#USA Illinois • Pushpin Caption — Location of Delavan, Illinois • Subdivision Type — Country • Subdivision Name — United States • Subdivision Type1 — State • Subdivision Name1 — Illinois • Subdivision Type2 — County • Subdivision Name2 — Tazewell • Established Title — settled • Established Date — 1837 • Leader Title — Mayor • Area Total Sq Mi — 1.44 • Area Land Sq Mi — 1.44 • Area Water Sq Mi — 0.00 • Elevation Ft — 604 • Population Total — 1568 • Population As Of — 2020 • Population Density Sq Mi — 1087.38 • Time Zone1 — CST • Utc Offset1 — -6 • Time Zone1 Dst — CDT • Utc Offset1 Dst — -5 • Postal Code Type — Postal code • Postal Code — 61734 • Area Code — 309 • Website — www.Delavanil.org • Unit Pref — Imperial • Custom Label Sec1 — FIPS code • Custom Data Sec1 — 17-19226 • Custom Label1 Sec1 — GNIS feature ID • Custom Data1 Sec1 — 2394496 • Area Total Km2 — 3.74 • Area Land Km2 — 3.74 • Area Water Km2 — 0.00 • Population Density Km2 — 419.75 • Image Map — File:Tazewell County Illinois Incorporated and Unincorporated areas Delavan Highlighted.svg • Map Caption — Location of Delavan in Tazewell County, Illinois. Delavan is a city in Tazewell County, Illinois, United States. As of the 2020 census, Delavan had a population of 1,568. It is a part of the Peoria, Illinois Metropolitan Statistical Area.

Delavan was founded by a group of settlers from Rhode Island. The city derives its name from Edward C. Delavan, a temperance advocate from Albany, New York. A post office has been in operation at Delavan since 1840.

According to the 2010 census, Delavan has a total area of 0.71 sqmi, all land.

As of the 2020 census, Delavan had a population of 1,568. The median age was 41.3 years. 25.2% of residents were under the age of 18 and 20.4% of residents were 65 years of age or older. For every 100 females there were 93.1 males, and for every 100 females age 18 and over there were 88.3 males age 18 and over. 0.0% of residents lived in urban areas, while 100.0% lived in rural areas. There were 654 households in Delavan, of which 31.2% had children under the age of 18 living in them. Of all households, 46.5% were married-couple households, 16.8% were households with a male householder and no spouse or partner present, and 28.1% were households with a female householder and no spouse or partner present. About 31.1% of all households were made up of individuals and 16.2% had someone living alone who was 65 years of age or older. There were 728 housing units, of which 10.2% were vacant. The homeowner vacancy rate was 1.0% and the rental vacancy rate was 9.0%. Racial composition as of the 2020 census • Race — Number — Percent • White — 1,445 — 92.2% • Black or African American — 19 — 1.2% • American Indian and Alaska Native — 1 — 0.1% • Asian — 4 — 0.3% • Native Hawaiian and Other Pacific Islander — 1 — 0.1% • Some other race — 15 — 1.0% • Two or more races — 83 — 5.3% • Hispanic or Latino (of any race) — 28 — 1.8%

As of the census of 2000, there were 1,825 people, 705 households, and 516 families residing in the city. The population density was 2,567.4 PD/sqmi. There were 744 housing units at an average density of 1,046.6 /sqmi. The racial makeup of the city was 98.36% White, 0.44% African American, 0.16% Asian, 0.16% from other races, and 0.88% from two or more races. Hispanic or Latino of any race were 0.44% of the population. There were no Pacific Islanders or Native Americans. There were 705 households, out of which 31.9% had children under the age of 18 living with them, 63.5% were married couples living together, 6.8% had a female householder with no husband present, and 26.7% were non-families. 24.7% of all households were made up of individuals, and 13.2% had someone living alone who was 65 years of age or older. The average household size was 2.59 and the average family size was 3.06. In the city, the population was spread out, with 27% under the age of 18, 7.7% from 18 to 24, 27.2% from 25 to 44, 22.7% from 45 to 64, and 15.4% who were 65 years of age or older. The median age was 38 years. For every 100 females, there were 93.9 males. For every 100 females age 18 and over, there were 93.6 males. The median income for a household in the city was $39,063, and the median income for a family was $46,250. Males had a median income of $36,685 versus $21,435 for females. The per capita income for the city was $18,734. 5.7% of the population and 4.2% of families were below the poverty line. 5% of those under the age of 18 and 7.5% of those 65 and older were living below the poverty line.

Delavan has a consolidated public schools district (#703) which educates pre-school through high school students in different areas of a common campus environment.

• Harriet Creighton (1909–2004), botanist • John T. Culbertson, Jr., Illinois Supreme Court justice • Johnny McDowell, racing driver • Archibald H. Sunderland, U.S. Army major general • Julia Thecla, artist