| Henderson, Illinois | |
| Settlement Type: | Village |
| Image Map1: | Illinois in United States (US48).svg |
| Map Caption1: | Location of Illinois in the United States |
| Pushpin Map: | Illinois |
| Coordinates: | 41.0239°N -90.3536°W |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Illinois |
| Subdivision Type2: | County |
| Subdivision Name2: | Knox |
| Subdivision Type3: | Township |
| Subdivision Name3: | Henderson |
| Established Title: | Founded |
| Leader Title: | Mayor |
| Leader Title1: | Village president |
| Unit Pref: | Imperial |
| Area Footnotes: | [1] |
| Area Total Km2: | 0.69 |
| Area Total Sq Mi: | 0.27 |
| Area Land Km2: | 0.69 |
| Area Land Sq Mi: | 0.27 |
| Area Water Km2: | 0.00 |
| Area Water Sq Mi: | 0.00 |
| Elevation Ft: | 817 |
| Population As Of: | 2020 |
| Population Total: | 266 |
| Population Density Km2: | 387.19 |
| Population Density Sq Mi: | 1003.77 |
| Timezone1: | CST |
| Utc Offset1: | -6 |
| Timezone1 Dst: | CDT |
| Utc Offset1 Dst: | -5 |
| Postal Code Type: | ZIP code |
| Postal Code: | 61439 |
| Area Code: | 309 |
| Blank Name: | FIPS code |
| Blank Info: | 17-34007 |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 2398487 |
| Blank2 Name Sec2: | Wikimedia Commons |
| Blank2 Info Sec2: | Henderson, Illinois |
Henderson is a village in Knox County, Illinois, United States. The population was 255 at the 2010 census,[2] down from 319 at the 2000 census. It is part of the Galesburg Micropolitan Statistical Area.
Henderson is located in northwestern Knox County 6miles north of Galesburg, the county seat.
According to the 2010 census, Henderson has a total area of 0.28sqmi, all land.[3]
As of the census[4] of 2000, there were 319 people, 137 households, and 102 families residing in the village. The population density was 1172.3sp=usNaNsp=us. There were 145 housing units at an average density of 532.9sp=usNaNsp=us. The racial makeup of the village was 97.18% White, 0.94% African American, 0.31% Native American, and 1.57% from two or more races. Hispanic or Latino of any race were 1.88% of the population.
There were 137 households, out of which 20.4% had children under the age of 18 living with them, 62.8% were married couples living together, 8.0% had a female householder with no husband present, and 25.5% were non-families. 21.2% of all households were made up of individuals, and 4.4% had someone living alone who was 65 years of age or older. The average household size was 2.33 and the average family size was 2.60.
In the village, the population was spread out, with 15.7% under the age of 18, 7.2% from 18 to 24, 24.1% from 25 to 44, 36.4% from 45 to 64, and 16.6% who were 65 years of age or older. The median age was 47 years. For every 100 females, there were 101.9 males. For every 100 females age 18 and over, there were 102.3 males.
The median income for a household in the village was $33,636, and the median income for a family was $39,583. Males had a median income of $35,313 versus $24,000 for females. The per capita income for the village was $17,114. About 6.3% of families and 7.9% of the population were below the poverty line, including 3.9% of those under age 18 and 13.3% of those age 65 or over.