Castalian Springs vs Walnut Grove

A side-by-side comparison of Castalian Springs and Walnut Grove: population, income, housing, and more.

Castalian Springs and Walnut Grove are places in Tennessee. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

Castalian Springs has the higher population (648 vs 576 in Walnut Grove). Walnut Grove has the higher median household income ($123,063 vs $86,071 in Castalian Springs). Walnut Grove has the higher median home value ($476,400 vs $250,000 in Castalian Springs).

Population, income & housing

	Castalian Springs	Walnut Grove
Population	648	576
Median age	45.0 yrs	54.7 yrs
Median household income	$86,071	$123,063
Median home value	$250,000	$476,400
Housing units	277	290
Homeownership rate	100.0%	89.1%
Bachelor's degree or higher	33.5%	21.1%
Unemployment rate	0.0%	0.0%

Trends (ACS 5-year, 2019–2023)

	Castalian Springs	Walnut Grove
Population	428 → 648 (+51.4%)	925 → 576 (-37.7%)
Median household income	$59,276 → $86,071 (+45.2%)	$61,786 → $123,063 (+99.2%)
Median home value	$120,000 → $250,000 (+108.3%)	$181,000 → $476,400 (+163.2%)

Castalian Springs

Population

428648

Median household income

$59,276$86,071

Median home value

$120,000$250,000

Walnut Grove

Population

925576

Median household income

$61,786$123,063

Median home value

$181,000$476,400

Age & race/ethnicity

Age distribution (share)

	Castalian Springs	Walnut Grove
Under 5	4.6%	2.6%
5 to 17	17.1%	17.2%
18 to 24	6.0%	3.0%
25 to 34	10.8%	2.4%
35 to 44	11.4%	9.5%
45 to 54	22.1%	16.3%
55 to 64	9.0%	25.5%
65 to 74	10.2%	14.8%
75 and over	8.8%	8.7%

Race & ethnicity (share)

	Castalian Springs	Walnut Grove
White (non-Hispanic)	92.3%	90.3%
Black or African American	0.0%	0.0%
American Indian & Alaska Native	0.0%	0.0%
Asian	1.4%	0.0%
Native Hawaiian & Pacific Islander	0.0%	0.0%
Some other race	0.0%	0.0%
Two or more races	6.3%	2.8%
Hispanic or Latino	0.0%	6.9%

Educational attainment (age 25+)

Share of adults 25+

	Castalian Springs	Walnut Grove
No high school diploma	9.8%	4.5%
High school graduate	30.6%	40.7%
Some college or associate's	26.1%	33.7%
Bachelor's degree	17.7%	20.0%
Graduate or professional degree	15.8%	1.1%

Commute to work

How workers get to work (share)

	Castalian Springs	Walnut Grove
Drove alone	89.9%	78.8%
Carpooled	0.0%	8.8%
Public transit	0.0%	0.0%
Walked	0.0%	0.0%
Bicycle	0.0%	0.0%
Worked from home	10.1%	9.4%
Other means	0.0%	2.9%

Housing

Units in structure (share)

	Castalian Springs	Walnut Grove
1-unit, detached	96.0%	85.9%
1-unit, attached	0.0%	0.0%
2 to 4 units	0.0%	0.0%
5 to 19 units	0.0%	0.0%
20 or more units	0.0%	0.0%
Mobile home & other	4.0%	14.1%

Poverty & households

	Castalian Springs	Walnut Grove
Poverty rate	7.3%	0.0%
Average household size	2.42	2.17
Mean commute (minutes)	25	35
Median year structure built	1987	1993