Oak Grove (Washington County), Tennessee Demographics & Population 2026

Demographic data: ACS 2020–2024 five-year estimates. Sources and methodology

During the 2020–2024 ACS period, Oak Grove (Washington County), Tennessee had a total population of 4,626, the 122nd largest community in Tennessee, with a median household income of $72,143, which is 4% higher than the state average. The poverty rate is 7.0%.

Oak Grove (Washington County) Quick Facts

Population 4,62690% MOE ±1,024

Median Household Income $72,14390% MOE ±$26,007

Median Home Value $260,60090% MOE ±$50,001

Poverty Rate 7.0%90% MOE ±2.8 pts

Unemployment Rate 7.4%90% MOE ±5.7 pts

Median Age 47.0 years90% MOE ±8.9 years

Homeownership Rate 63.7%90% MOE ±17.8 pts

Affordability Ratio 3.6x

Bachelor's Degree or Higher 35.5%90% MOE ±7.4 pts

Adults 25+ with high school education or higher 93.7%

Diversity Index 16/100

Population 4,626 122nd of 502

Median Income $72,143 top 30%

Poverty Rate 7.0% 43% lower than national

Median Home Value $260,600 top 30%

How Oak Grove (Washington County) Changed

Change from the non-overlapping 2015–2019 ACS period to 2020–2024. Earlier dollar figures are adjusted to 2024 dollars; changes marked “no clear change” are within the combined 90% margins of error.

Metric	2015–2019	2020–2024	Change
Population	4,458	4,626	No clear change (+3.8%)
Median household income	$55,070	$72,143	No clear change (+31.0%)
Median home value¹	$215,743	$260,600	No clear change (+20.8%)
Median gross rent	$839	$907	No clear change (+8.1%)

¹ The Census Bureau changed its home-value inflation adjustment beginning with the 2022 ACS; interpret that comparison with additional caution.

How Oak Grove (Washington County) Compares

Median Household Income

Oak Grove (Washington County)

$72,143

$69,595

National

$80,734

Median Home Value

Oak Grove (Washington County)

$260,600

$286,700

National

$332,700

Economy & Housing

Household Income Distribution

Under $25K 13.8%

$25K-$50K 20.4%

$50K-$100K 27.4%

$100K+ 38.5%

Detailed income brackets

Under $10K

2.0%

$10K-$15K

4.4%

$15K-$20K

1.1%

$20K-$25K

6.3%

$25K-$30K

5.9%

$30K-$35K

4.3%

$35K-$40K

3.3%

$40K-$45K

2.3%

$45K-$50K

4.6%

$50K-$60K

7.7%

$60K-$75K

8.3%

$75K-$100K

11.4%

$100K-$125K

9.9%

$125K-$150K

6.3%

$150K-$200K

10.1%

$200K+

12.2%

Employment

7.4% Unemployment Rate State: 4.7%|National: 5.2%

61.5% Labor Force Participation

Housing Overview

Owner 63.7%

Renter 36.3%

Affordability Index Affordable

3.6x home value to income ratio

Median gross rent $907/mo 15.1% of median household income annually

People & Demographics

Age Distribution

Under 18

18.2%

18-34

22.5%

35-54

21.9%

55-74

29.6%

75+

7.8%

Race & Ethnicity

Diversity Index

Very Low Diversity

A less diverse community where one racial or ethnic group represents a large majority.

State average: 46 | National average: 61

Education

Educational Attainment (Adults 25+)

Oak Grove (Washington County) Rankings in Tennessee

#122 Population of 502

#129 Median Income of 453

#65 Education of 502

#132 Home Value of 464

Explore Tennessee Rankings

Cities by Population All cities ranked by size Richest Cities Ranked by median income Most Educated By bachelor's degree rate Most Affordable By housing affordability

Other Cities in Washington County

City	Population	Median Income	Poverty	Home Value
Jonesborough	6,232	$74,015	11.7%	$299,200
Gray	2,237	$69,947	9.8%	$199,400
Fall Branch	1,160	$50,208	19.3%	$213,300
Embreeville	1,062	N/A	2.7%	$165,800
Telford	731	$69,200	0.0%	$228,600
Watauga	644	$62,917	10.9%	$156,900

Cities Similar to Oak Grove (Washington County)

These cities in the same state have comparable population and economic profiles.

City	Population	Median Income	Home Value	Bachelor's+	Poverty
Harrogate	4,368	$65,586	$203,900	26.4%	12.4%
White Bluff	4,080	$69,483	$279,900	13.7%	10.2%
Lake Tansi	4,437	$57,991	$280,900	17.8%	13.9%
Louisville	4,383	$89,744	$379,900	38.9%	11.8%
Spurgeon	4,071	$64,250	$219,300	21.6%	21.9%

Population Overview

Oak Grove (Washington County) is a small community located in Tennessee, within Washington County. The total population is 4,626. It ranks as the 122nd most populous out of 502 Census-designated places in Tennessee.

Age Demographics

The median age in Oak Grove (Washington County) is 47.0 years. This is 21% higher than the state median of 38.9 years.

Economy, Income & Housing

The median household income in Oak Grove (Washington County) is $72,143. This is 4% higher than the state median of $69,595. It is also 11% lower than the national median of $80,734. The poverty rate stands at 7.0%. This is 49% lower than the state poverty rate of 13.8%. The unemployment rate is 7.4%. This is 58% higher than the state rate of 4.7%. The median home value is $260,600. Housing costs are 9% lower than the state median of $286,700. The home-value-to-income ratio is 3.6x. 63.7% of occupied housing units are owner-occupied. This homeownership rate is 5% lower than the state average of 66.9%.

Race & Ethnicity

Oak Grove (Washington County) has a predominantly White (non-Hispanic) population, comprising 91.5% of all residents. Black or African American residents account for 3.3%. The Black or African American population (3.3%) is well below the state average of 15.4%. The Hispanic or Latino population (1.2%) is well below the state average of 7.4%.

Education

35.5% of residents aged 25 and older hold a bachelor's degree or higher. This is 14% higher than the state rate of 31.1%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 93.7%. Notably, 15.3% of adults hold a graduate or professional degree, indicating a highly educated workforce.

Data Sources & Methodology

All demographic data for Oak Grove (Washington County), Tennessee is sourced from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates. The ACS collects data from approximately 3.5 million households annually and pools five years of responses so that even small communities can be measured, though the margin of error widens as the population falls. Comparisons are made against Tennessee state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 502 Census-designated places in Tennessee. Read more about how these figures are produced on our methodology page, or visit data.census.gov for official data.

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Frequently Asked Questions

What is the population of Oak Grove (Washington County), Tennessee?

Oak Grove (Washington County), Tennessee has a population of 4,626 according to the most recent U.S. Census ACS 5-Year Estimates.

What is the median household income in Oak Grove (Washington County), TN?

The median household income in Oak Grove (Washington County) is $72,143, which is 11% lower than the national median of $80,734.

What is the poverty rate in Oak Grove (Washington County), TN?

The poverty rate in Oak Grove (Washington County) is 7.0%. This means approximately 321 residents live below the federal poverty line.

What is the racial makeup of Oak Grove (Washington County), Tennessee?

Oak Grove (Washington County)'s population is 91.5% White, 3.3% Black, 1.2% Hispanic/Latino, and 2.0% Asian.

What is the median home value in Oak Grove (Washington County), TN?

The median home value in Oak Grove (Washington County) is $260,600. The home-value-to-income ratio is 3.6x.

How educated is Oak Grove (Washington County), Tennessee?

35.5% of adults (25+) in Oak Grove (Washington County) hold a bachelor's degree or higher, and 15.3% hold a graduate or professional degree.