Castalian Springs vs Portland

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

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

Portland has the higher population (13,325 vs 648 in Castalian Springs). Castalian Springs has the higher median household income ($86,071 vs $72,380 in Portland). Portland has the higher median home value ($256,400 vs $250,000 in Castalian Springs).

Population, income & housing

	Castalian Springs	Portland
Population	648	13,325
Median age	45.0 yrs	33.7 yrs
Median household income	$86,071	$72,380
Median home value	$250,000	$256,400
Median gross rent	—	$1,100
Housing units	277	5,190
Homeownership rate	100.0%	63.5%
Bachelor's degree or higher	33.5%	14.2%
Unemployment rate	0.0%	3.0%

Trends (ACS 5-year, 2019–2023)

	Castalian Springs	Portland
Population	428 → 648 (+51.4%)	12,729 → 13,325 (+4.7%)
Median household income	$59,276 → $86,071 (+45.2%)	$55,722 → $72,380 (+29.9%)
Median home value	$120,000 → $250,000 (+108.3%)	$144,500 → $256,400 (+77.4%)
Median gross rent	—	$850 → $1,100 (+29.4%)

Castalian Springs

Population

428648

Median household income

$59,276$86,071

Median home value

$120,000$250,000

Portland

Population

12,72913,325

Median household income

$55,722$72,380

Median home value

$144,500$256,400

Median gross rent

$850$1,100

Age & race/ethnicity

Age distribution (share)

	Castalian Springs	Portland
Under 5	4.6%	9.5%
5 to 17	17.1%	18.5%
18 to 24	6.0%	9.6%
25 to 34	10.8%	14.2%
35 to 44	11.4%	13.8%
45 to 54	22.1%	11.8%
55 to 64	9.0%	11.1%
65 to 74	10.2%	8.4%
75 and over	8.8%	3.1%

Race & ethnicity (share)

	Castalian Springs	Portland
White (non-Hispanic)	92.3%	88.8%
Black or African American	0.0%	3.5%
American Indian & Alaska Native	0.0%	0.0%
Asian	1.4%	0.2%
Native Hawaiian & Pacific Islander	0.0%	0.2%
Some other race	0.0%	0.2%
Two or more races	6.3%	1.8%
Hispanic or Latino	0.0%	5.4%

Educational attainment (age 25+)

Share of adults 25+

	Castalian Springs	Portland
No high school diploma	9.8%	11.4%
High school graduate	30.6%	42.3%
Some college or associate's	26.1%	32.1%
Bachelor's degree	17.7%	9.1%
Graduate or professional degree	15.8%	5.1%

Commute to work

How workers get to work (share)

	Castalian Springs	Portland
Drove alone	89.9%	79.5%
Carpooled	0.0%	9.8%
Public transit	0.0%	0.0%
Walked	0.0%	0.4%
Bicycle	0.0%	0.4%
Worked from home	10.1%	8.3%
Other means	0.0%	1.5%

Housing

Units in structure (share)

	Castalian Springs	Portland
1-unit, detached	96.0%	71.3%
1-unit, attached	0.0%	1.8%
2 to 4 units	0.0%	10.1%
5 to 19 units	0.0%	4.7%
20 or more units	0.0%	1.0%
Mobile home & other	4.0%	11.0%

Poverty & households

	Castalian Springs	Portland
Poverty rate	7.3%	12.1%
Average household size	2.42	2.70
Mean commute (minutes)	25	28
Median year structure built	1987	1995