Mount Carroll vs Thomson

A side-by-side comparison of Mount Carroll and Thomson: population, income, housing, and more.

Mount Carroll and Thomson are places in Illinois. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

Thomson has the higher population (1,526 vs 1,515 in Mount Carroll). Mount Carroll has the higher median household income ($59,167 vs $54,063 in Thomson). Thomson has the higher median home value ($122,300 vs $88,800 in Mount Carroll).

Population, income & housing

	Mount Carroll	Thomson
Population	1,515	1,526
Median age	44.6 yrs	39.1 yrs
Median household income	$59,167	$54,063
Median home value	$88,800	$122,300
Median gross rent	$749	$940
Housing units	746	255
Homeownership rate	76.5%	68.6%
Bachelor's degree or higher	23.0%	5.2%
Unemployment rate	2.6%	13.1%

Trends (ACS 5-year, 2019–2023)

	Mount Carroll	Thomson
Population	1,571 → 1,515 (-3.6%)	524 → 1,526 (+191.2%)
Median household income	$56,413 → $59,167 (+4.9%)	$49,375 → $54,063 (+9.5%)
Median home value	$87,000 → $88,800 (+2.1%)	$115,800 → $122,300 (+5.6%)
Median gross rent	$588 → $749 (+27.4%)	$785 → $940 (+19.7%)

Mount Carroll

Population

1,5711,515

Median household income

$56,413$59,167

Median home value

$87,000$88,800

Median gross rent

$588$749

Thomson

Population

5241,526

Median household income

$49,375$54,063

Median home value

$115,800$122,300

Median gross rent

$785$940

Age & race/ethnicity

Age distribution (share)

	Mount Carroll	Thomson
Under 5	3.3%	1.2%
5 to 17	16.5%	4.1%
18 to 24	8.4%	3.2%
25 to 34	9.9%	28.0%
35 to 44	12.5%	30.3%
45 to 54	11.4%	14.0%
55 to 64	16.9%	10.7%
65 to 74	11.0%	5.7%
75 and over	10.0%	2.6%

Race & ethnicity (share)

	Mount Carroll	Thomson
White (non-Hispanic)	91.6%	49.3%
Black or African American	1.1%	35.8%
American Indian & Alaska Native	0.0%	2.1%
Asian	2.2%	0.0%
Native Hawaiian & Pacific Islander	0.0%	0.0%
Some other race	0.2%	0.0%
Two or more races	1.1%	0.2%
Hispanic or Latino	4.0%	12.6%

Educational attainment (age 25+)

Share of adults 25+

	Mount Carroll	Thomson
No high school diploma	6.3%	33.8%
High school graduate	37.5%	36.2%
Some college or associate's	33.1%	24.8%
Bachelor's degree	13.1%	2.4%
Graduate or professional degree	9.9%	2.7%

Commute to work

How workers get to work (share)

	Mount Carroll	Thomson
Drove alone	84.0%	83.9%
Carpooled	6.6%	14.7%
Public transit	1.1%	0.0%
Walked	0.8%	0.0%
Bicycle	0.0%	0.0%
Worked from home	7.6%	0.0%
Other means	0.0%	1.4%

Housing

Units in structure (share)

	Mount Carroll	Thomson
1-unit, detached	81.8%	75.7%
1-unit, attached	0.8%	0.4%
2 to 4 units	6.6%	17.3%
5 to 19 units	8.7%	4.7%
20 or more units	0.1%	0.0%
Mobile home & other	2.0%	2.0%

Poverty & households

	Mount Carroll	Thomson
Poverty rate	10.4%	21.0%
Average household size	2.20	2.13
Mean commute (minutes)	26	21
Median year structure built	1950	1965