Redwood is an unincorporated community and census-designated place (CDP) in Guadalupe County, Texas, United States. The population was 4,003 at the 2020 census, a decline from the figure of 4,338 tabulated in 2010. It is part of the San Antonio Metropolitan Statistical Area.
Geography
Redwood is located in the northeast corner of Guadalupe County and is bordered to the north by Hays County and the city of San Marcos. Texas State Highway 123 forms the western border of Redwood; the highway leads north into San Marcos and south to Seguin, the Guadalupe County seat.
According to the United States Census Bureau, the Redwood CDP has a total area of , of which are land and , or 1.02%, are water.<br> 1850–1900 1910<br> 1920 1930 1940<br>
1950 1960 1970<br> 1980 1990 2000<br> 2010
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Redwood first appeared as a census designated place in the 2000 U.S. census.
!Pop 2010
!style="background-color: #ffffb3;" |Pop 2020
!% 2000
!% 2010
!style="background-color: #ffffb3;" |% 2020
|-
|White alone (NH)
|488
|416
|style='background: #ffffe6; |362
|13.61%
|9.59%
|style='background: #ffffe6; |9.04%
|-
|Black or African American alone (NH)
|47
|62
|style='background: #ffffe6; |36
|1.31%
|1.43%
|style='background: #ffffe6; |0.90%
|-
|Native American or Alaska Native alone (NH)
|7
|3
|style='background: #ffffe6; |1
|0.20%
|0.07%
|style='background: #ffffe6; |0.02%
|-
|Asian alone (NH)
|4
|10
|style='background: #ffffe6; |20
|0.11%
|0.23%
|style='background: #ffffe6; |0.50%
|-
|Native Hawaiian or Pacific Islander alone (NH)
|1
|4
|style='background: #ffffe6; |0
|0.03%
|0.09%
|style='background: #ffffe6; |0.00%
|-
|Other race alone (NH)
|5
|10
|style='background: #ffffe6; |2
|0.14%
|0.23%
|style='background: #ffffe6; |0.05%
|-
|Mixed race or Multiracial (NH)
|16
|13
|style='background: #ffffe6; |46
|0.45%
|0.30%
|style='background: #ffffe6; |1.15%
|-
|Hispanic or Latino (any race)
|3,018
|3,820
|style='background: #ffffe6; |3,536
|84.16%
|88.06%
|style='background: #ffffe6; |88.33%
|-
|Total
|3,586
|4,338
|style='background: #ffffe6; |4,003
|100.00%
|100.00%
|style='background: #ffffe6; |100.00%
|}
2020 census
As of the 2020 census, Redwood had a population of 4,003. The median age was 32.4 years. 27.9% of residents were under the age of 18 and 11.0% of residents were 65 years of age or older. For every 100 females there were 108.1 males, and for every 100 females age 18 and over there were 104.2 males age 18 and over.
77.6% of residents lived in urban areas, while 22.4% lived in rural areas.
There were 1,116 households in Redwood, of which 43.8% had children under the age of 18 living in them. Of all households, 49.1% were married-couple households, 19.8% were households with a male householder and no spouse or partner present, and 22.0% were households with a female householder and no spouse or partner present. About 19.3% of all households were made up of individuals and 7.9% had someone living alone who was 65 years of age or older.