Demographics & People — Oak Grove CDP (Washington County), Tennessee

Population Overview

Population (Census)	4,483
Estimated 2026	~5,000
Median Age	47.0
Total Households	1,938
Family Households	1,191
Average Household Size	2.27
Diversity Index	0.1074 (relatively homogeneous)

Race & Ethnicity

White	4,119
Black or African American	165
Asian	0
Hispanic or Latino	80

Heritage & Ancestry

Group	Count
Unclassified or not reported	1,809
Other groups	667
English	582
Irish	509
German	345
American	290
European	192
Scotch-Irish	160
Scottish	124
Italian	117

Language

English Only	4,284
Spanish	33
Population 5+	4,328

Veterans

Veterans	375
Population 18+	3,567

Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Oak Grove CDP (Washington County), Tennessee.