Lanark vs Thomson

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

Lanark 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 1,510 in Lanark). Lanark has the higher median household income ($66,250 vs $54,063 in Thomson). Thomson has the higher median home value ($122,300 vs $97,100 in Lanark).

Population, income & housing

	Lanark	Thomson
Population	1,510	1,526
Median age	36.9 yrs	39.1 yrs
Median household income	$66,250	$54,063
Median home value	$97,100	$122,300
Median gross rent	$781	$940
Housing units	738	255
Homeownership rate	81.0%	68.6%
Bachelor's degree or higher	13.6%	5.2%
Unemployment rate	2.9%	13.1%

Trends (ACS 5-year, 2019–2023)

	Lanark	Thomson
Population	1,445 → 1,510 (+4.5%)	524 → 1,526 (+191.2%)
Median household income	$44,875 → $66,250 (+47.6%)	$49,375 → $54,063 (+9.5%)
Median home value	$86,300 → $97,100 (+12.5%)	$115,800 → $122,300 (+5.6%)
Median gross rent	$600 → $781 (+30.2%)	$785 → $940 (+19.7%)

Lanark

Population

1,4451,510

Median household income

$44,875$66,250

Median home value

$86,300$97,100

Median gross rent

$600$781

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)

	Lanark	Thomson
Under 5	7.2%	1.2%
5 to 17	17.3%	4.1%
18 to 24	12.6%	3.2%
25 to 34	8.9%	28.0%
35 to 44	15.0%	30.3%
45 to 54	9.9%	14.0%
55 to 64	9.5%	10.7%
65 to 74	11.4%	5.7%
75 and over	8.1%	2.6%

Race & ethnicity (share)

	Lanark	Thomson
White (non-Hispanic)	93.0%	49.3%
Black or African American	0.3%	35.8%
American Indian & Alaska Native	0.0%	2.1%
Asian	0.0%	0.0%
Native Hawaiian & Pacific Islander	0.0%	0.0%
Some other race	0.0%	0.0%
Two or more races	2.1%	0.2%
Hispanic or Latino	4.5%	12.6%

Educational attainment (age 25+)

Share of adults 25+

	Lanark	Thomson
No high school diploma	4.3%	33.8%
High school graduate	38.0%	36.2%
Some college or associate's	44.0%	24.8%
Bachelor's degree	9.2%	2.4%
Graduate or professional degree	4.4%	2.7%

Commute to work

How workers get to work (share)

	Lanark	Thomson
Drove alone	88.5%	83.9%
Carpooled	4.7%	14.7%
Public transit	0.8%	0.0%
Walked	2.7%	0.0%
Bicycle	0.0%	0.0%
Worked from home	2.9%	0.0%
Other means	0.4%	1.4%

Housing

Units in structure (share)

	Lanark	Thomson
1-unit, detached	90.0%	75.7%
1-unit, attached	1.4%	0.4%
2 to 4 units	3.3%	17.3%
5 to 19 units	4.1%	4.7%
20 or more units	0.5%	0.0%
Mobile home & other	0.8%	2.0%

Poverty & households

	Lanark	Thomson
Poverty rate	14.3%	21.0%
Average household size	2.33	2.13
Mean commute (minutes)	25	21
Median year structure built	1944	1965