Mill Plain vs Southport

A side-by-side comparison of Mill Plain and Southport: population, income, housing, and more.

Mill Plain and Southport are places in Connecticut. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

Mill Plain has the higher population (1,980 vs 1,529 in Southport). Mill Plain has the higher median household income ($190,250 vs $156,750 in Southport). Southport has the higher median home value ($905,600 vs $806,600 in Mill Plain).

Population, income & housing

	Mill Plain	Southport
Population	1,980	1,529
Median age	44.3 yrs	56.1 yrs
Median household income	$190,250	$156,750
Median home value	$806,600	$905,600
Median gross rent	—	$3,259
Housing units	713	822
Homeownership rate	94.7%	81.5%
Bachelor's degree or higher	74.5%	82.7%
Unemployment rate	18.1%	4.5%

Trends (ACS 5-year, 2019–2023)

	Mill Plain	Southport
Population	1,678 → 1,980 (+18.0%)	1,661 → 1,529 (-7.9%)
Median household income	$165,536 → $190,250 (+14.9%)	$187,917 → $156,750 (-16.6%)
Median home value	$693,700 → $806,600 (+16.3%)	$703,200 → $905,600 (+28.8%)
Median gross rent	—	$2,208 → $3,259 (+47.6%)

Mill Plain

Population

1,6781,980

Median household income

$165,536$190,250

Median home value

$693,700$806,600

Southport

Population

1,6611,529

Median household income

$187,917$156,750

Median home value

$703,200$905,600

Median gross rent

$2,208$3,259

Age & race/ethnicity

Age distribution (share)

	Mill Plain	Southport
Under 5	7.1%	2.7%
5 to 17	17.3%	18.7%
18 to 24	9.1%	5.3%
25 to 34	8.7%	3.1%
35 to 44	10.4%	12.6%
45 to 54	9.1%	7.5%
55 to 64	19.7%	28.6%
65 to 74	10.2%	10.0%
75 and over	8.4%	11.4%

Race & ethnicity (share)

	Mill Plain	Southport
White (non-Hispanic)	93.3%	95.5%
Black or African American	0.0%	0.5%
American Indian & Alaska Native	0.0%	0.0%
Asian	0.7%	0.7%
Native Hawaiian & Pacific Islander	0.0%	0.0%
Some other race	0.0%	0.0%
Two or more races	1.7%	1.7%
Hispanic or Latino	4.3%	1.6%

Educational attainment (age 25+)

Share of adults 25+

	Mill Plain	Southport
No high school diploma	1.1%	0.0%
High school graduate	4.2%	8.8%
Some college or associate's	20.1%	8.5%
Bachelor's degree	30.0%	43.1%
Graduate or professional degree	44.5%	39.6%

Commute to work

How workers get to work (share)

	Mill Plain	Southport
Drove alone	68.6%	48.5%
Carpooled	0.9%	0.5%
Public transit	12.5%	5.8%
Walked	3.1%	3.7%
Bicycle	0.0%	0.0%
Worked from home	14.9%	41.1%
Other means	0.0%	0.4%

Housing

Units in structure (share)

	Mill Plain	Southport
1-unit, detached	100.0%	54.0%
1-unit, attached	0.0%	11.9%
2 to 4 units	0.0%	10.1%
5 to 19 units	0.0%	21.9%
20 or more units	0.0%	2.1%
Mobile home & other	0.0%	0.0%

Poverty & households

	Mill Plain	Southport
Poverty rate	3.8%	5.6%
Average household size	2.86	2.08
Mean commute (minutes)	33	36
Median year structure built	1958	1966