| Official Name: | Alba Township |
| Settlement Type: | Township |
| Image Map1: | Map of Illinois highlighting Henry County.svg |
| Mapsize1: | 150px |
| Map Caption1: | Henry County's location in Illinois |
| Subdivision Type: | Country |
| Subdivision Type1: | State |
| Subdivision Type2: | County |
| Subdivision Name2: | Henry |
| Established Title: | Established |
| Established Date: | November 4, 1856 |
| Unit Pref: | Imperial |
| Area Total Sq Mi: | 36.09 |
| Area Land Sq Mi: | 36.01 |
| Area Water Sq Mi: | 0.08 |
| Area Water Percent: | 0.22 |
| Population As Of: | 2020 |
| Population Total: | 173 |
| Population Density Sq Mi: | 6.1 |
| Elevation M: | 195 |
| Elevation Ft: | 640 |
| Coordinates: | 41.4564°N -89.9131°W |
| Timezone: | CST |
| Utc Offset: | -6 |
| Timezone Dst: | CDT |
| Utc Offset Dst: | -5 |
| Postal Code Type: | ZIP codes |
| Postal Code: | 61234, 61235, 61277 |
| Blank Name: | FIPS code |
| Blank Info: | 17-073-00503 |
Alba Township is one of twenty-four townships in Henry County, Illinois, USA. As of the 2020 census, its population was 173 and it contained 90 housing units.[1] Alba Township changed its name from Elba Township on April 13, 1857. The name may be derived from Elba, New York, the native home of a share of the early settlers.[2]
According to the 2021 census gazetteer files, Alba Township has a total area of 36.02sqmi, of which 35.94sqmi (or 99.77%) is land and 0.08sqmi (or 0.23%) is water.[3]
(These towns are listed as "historical" by the USGS.)
The township contains these three cemeteries: Goble, Maple Grove and Sacred Heart.
As of the 2020 census[4] there were 173 people, 88 households, and 66 families residing in the township. The population density was 4.8PD/sqmi. There were 90 housing units at an average density of 2.5/sqmi. The racial makeup of the township was 96.53% White, 0.58% African American, 0.00% Native American, 0.58% Asian, 0.00% Pacific Islander, 0.58% from other races, and 1.73% from two or more races. Hispanic or Latino of any race were 1.16% of the population.
There were 88 households, out of which 30.70% had children under the age of 18 living with them, 73.86% were married couples living together, 1.14% had a female householder with no spouse present, and 25.00% were non-families. 25.00% of all households were made up of individuals, and 12.50% 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 2.77.
The township's age distribution consisted of 23.4% under the age of 18, 0.0% from 18 to 24, 29.8% from 25 to 44, 19.5% from 45 to 64, and 27.3% who were 65 years of age or older. The median age was 38.8 years. For every 100 females, there were 99.0 males. For every 100 females age 18 and over, there were 96.3 males.
The median income for a household in the township was $85,093, and the median income for a family was $85,741. Males had a median income of $75,893 versus $46,250 for females. The per capita income for the township was $34,959. No families and 1.5% of the population were below the poverty line, including none of those under age 18 and 5.4% of those age 65 or over.