Grantwood Village is a town in Gravois Township, St. Louis County, Missouri, United States. The population was 961 at the 2020 census.
Geography
According to the United States Census Bureau, the village has a total area of , all land.
Demographics
2020 census
{| class="wikitable sortable" style="text-align:center;"
|+Grantwood Village town, Missouri – Racial and ethnic composition<br><small></small>
!Race / Ethnicity <small>(NH = Non-Hispanic)</small>
!Pop 2000
!Pop 2010
!style="background-color: #ffffb3;" |Pop 2020
!% 2000
!% 2010
!style="background-color: #ffffb3;" |% 2020
|-
|White alone (NH)
|864
|847
|style='background: #ffffe6; |879
|97.85%
|98.15%
|style='background: #ffffe6; |93.41%
|-
|Black or African American alone (NH)
|2
|5
|style='background: #ffffe6; |6
|0.23%
|0.58%
|style='background: #ffffe6; |0.64%
|-
|Native American or Alaska Native alone (NH)
|0
|0
|style='background: #ffffe6; |0
|0.00%
|0.00%
|style='background: #ffffe6; |0.00%
|-
|Asian alone (NH)
|4
|2
|style='background: #ffffe6; |9
|0.45%
|0.23%
|style='background: #ffffe6; |0.96%
|-
|Native Hawaiian or Pacific Islander alone (NH)
|0
|0
|style='background: #ffffe6; |0
|0.00%
|0.00%
|style='background: #ffffe6; |0.00%
|-
|Other race alone (NH)
|6
|0
|style='background: #ffffe6; |1
|0.68%
|0.00%
|style='background: #ffffe6; |0.11%
|-
|Mixed race or Multiracial (NH)
|3
|2
|style='background: #ffffe6; |31
|0.34%
|0.23%
|style='background: #ffffe6; |3.29%
|-
|Hispanic or Latino (any race)
|4
|7
|style='background: #ffffe6; |15
|0.45%
|0.81%
|style='background: #ffffe6; |1.59%
|-
|Total
|883
|863
|style='background: #ffffe6; |941
|100.00%
|100.00%
|style='background: #ffffe6; |100.00%
|}
2010 census
As of the census of 2010, there were 863 people, 340 households, and 262 families living in the village. The population density was . There were 351 housing units at an average density of . The racial makeup of the village was 99.0% White, 0.6% African American, 0.2% Asian, and 0.2% from two or more races. Hispanic or Latino of any race were 0.8% of the population.
There were 340 households, of which 30.3% had children under the age of 18 living with them, 70.0% were married couples living together, 5.0% had a female householder with no husband present, 2.1% had a male householder with no wife present, and 22.9% were non-families. 19.4% of all households were made up of individuals, and 11.1% had someone living alone who was 65 years of age or older. The average household size was 2.54 and the average family size was 2.92.
The median age in the village was 50.5 years. 23.1% of residents were under the age of 18; 4.2% were between the ages of 18 and 24; 14% were from 25 to 44; 35.2% were from 45 to 64; and 23.4% were 65 years of age or older. The gender makeup of the village was 48.1% male and 51.9% female.
2000 census
As of the census