Johnston vs Trenton

A side-by-side comparison of Johnston and Trenton: population, income, housing, and more.

Johnston and Trenton are places in South Carolina. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

Johnston has the higher population (2,518 vs 320 in Trenton). Trenton has the higher median household income ($52,986 vs $34,957 in Johnston). Trenton has the higher median home value ($153,100 vs $100,400 in Johnston).

Population, income & housing

	Johnston	Trenton
Population	2,518	320
Median age	45.7 yrs	45.4 yrs
Median household income	$34,957	$52,986
Median home value	$100,400	$153,100
Median gross rent	$803	$792
Housing units	1,189	133
Homeownership rate	58.9%	63.8%
Bachelor's degree or higher	13.8%	36.5%
Unemployment rate	7.6%	8.6%

Trends (ACS 5-year, 2019–2023)

	Johnston	Trenton
Population	2,054 → 2,518 (+22.6%)	298 → 320 (+7.4%)
Median household income	$32,477 → $34,957 (+7.6%)	$41,042 → $52,986 (+29.1%)
Median home value	$119,100 → $100,400 (-15.7%)	$122,200 → $153,100 (+25.3%)
Median gross rent	$678 → $803 (+18.4%)	$545 → $792 (+45.3%)

Johnston

Population

2,0542,518

Median household income

$32,477$34,957

Median home value

$119,100$100,400

Median gross rent

$678$803

Trenton

Population

298320

Median household income

$41,042$52,986

Median home value

$122,200$153,100

Median gross rent

$545$792

Age & race/ethnicity

Age distribution (share)

	Johnston	Trenton
Under 5	9.1%	0.9%
5 to 17	13.9%	8.8%
18 to 24	5.7%	30.3%
25 to 34	10.2%	6.3%
35 to 44	9.9%	2.5%
45 to 54	13.0%	10.0%
55 to 64	10.7%	16.9%
65 to 74	15.9%	12.2%
75 and over	11.6%	12.2%

Race & ethnicity (share)

	Johnston	Trenton
White (non-Hispanic)	26.1%	48.1%
Black or African American	65.9%	39.1%
American Indian & Alaska Native	0.1%	0.0%
Asian	0.2%	0.0%
Native Hawaiian & Pacific Islander	0.0%	0.0%
Some other race	0.6%	0.3%
Two or more races	3.9%	0.6%
Hispanic or Latino	3.3%	11.9%

Educational attainment (age 25+)

Share of adults 25+

	Johnston	Trenton
No high school diploma	16.8%	12.5%
High school graduate	47.2%	23.4%
Some college or associate's	22.3%	27.6%
Bachelor's degree	5.3%	21.4%
Graduate or professional degree	8.5%	15.1%

Commute to work

How workers get to work (share)

	Johnston	Trenton
Drove alone	86.2%	92.8%
Carpooled	6.1%	6.1%
Public transit	0.0%	0.0%
Walked	4.6%	0.0%
Bicycle	0.0%	0.0%
Worked from home	3.1%	1.1%
Other means	0.0%	0.0%

Housing

Units in structure (share)

	Johnston	Trenton
1-unit, detached	77.1%	83.5%
1-unit, attached	0.0%	0.0%
2 to 4 units	2.9%	16.5%
5 to 19 units	16.1%	0.0%
20 or more units	0.8%	0.0%
Mobile home & other	2.9%	0.0%

Poverty & households

	Johnston	Trenton
Poverty rate	27.1%	14.1%
Average household size	2.37	2.52
Mean commute (minutes)	25	23
Median year structure built	1967	1957