Pea Ridge, Shelby County, Alabama
Pea Ridge is a census-designated place in Shelby County, Alabama, United States. The community is named for Pea Ridge, the broadest ridge in the Cahaba Coal Field. This ridge divides the waters of the Cahaba River and Little Cahaba River. Pea Ridge has maintained a volunteer fire department since 1972.
It was first named as a CDP in the 2020 Census which listed a population of 841.
Demographics
| Race / Ethnicity | Pop 2020 | 2020 |
| White alone | 199 | 90.05% |
| Black or African American alone | 4 | 1.81% |
| Native American or Alaska Native alone | 0 | 0.00% |
| Asian alone | 0 | 0.00% |
| Native Hawaiian or Pacific Islander alone | 0 | 0.00% |
| Other race alone | 0 | 0.00% |
| Mixed race or Multiracial | 3 | 1.36% |
| Hispanic or Latino | 15 | 6.79% |
| Total | 221 | 100.00% |