The first cooperative soybean processing unit in Illinois, the Alhambra Grain & Feed Co., was located in the village. It began full production on March 1, 1945.[6]
According to the U.S. Census Bureau, Alhambra has a total area of 0.76 square miles (1.97 km2), of which 0.01 square miles (0.03 km2), or 1.05%, are water.[1] The village drains southwest to Silver Creek, a south-flowing tributary of the Kaskaskia River.
As of the census[9] of 2000, there were 630 people, 209 households, and 145 families residing in the village. The population density was 834.4 inhabitants per square mile (322.2/km2). There were 216 housing units at an average density of 286.1 per square mile (110.5/km2). The racial makeup of the village was 98.73% White, and 1.27% from two or more races.
There were 209 households, out of which 28.2% had children under the age of 18 living with them, 59.3% were married couples living together, 5.7% had a female householder with no husband present, and 30.6% were non-families. 27.3% of all households were made up of individuals, and 15.8% had someone living alone who was 65 years of age or older. The average household size was 2.37 and the average family size was 2.90.
In the village, the population was spread out, with 17.1% under the age of 18, 6.5% from 18 to 24, 22.9% from 25 to 44, 19.5% from 45 to 64, and 34.0% who were 65 years of age or older. The median age was 48 years. For every 100 females, there were 78.0 males. For every 100 females age 18 and over, there were 70.0 males.
The median income for a household in the village was $36,818, and the median income for a family was $53,214. Males had a median income of $31,484 versus $22,981 for females. The per capita income for the village was $16,124. About 3.1% of families and 4.7% of the population were below the poverty line, including 4.1% of those under age 18 and 10.6% of those age 65 or over.
