Grantfork vs Williamson

A side-by-side comparison of Grantfork and Williamson: population, income, housing, and more.

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

Grantfork has the higher population (468 vs 164 in Williamson). Grantfork has the higher median household income ($103,750 vs $56,667 in Williamson). Grantfork has the higher median home value ($195,500 vs $75,500 in Williamson).

Population, income & housing

	Grantfork	Williamson
Population	468	164
Median age	36.7 yrs	55.0 yrs
Median household income	$103,750	$56,667
Median home value	$195,500	$75,500
Median gross rent	—	$779
Housing units	185	97
Homeownership rate	98.3%	72.1%
Bachelor's degree or higher	45.4%	2.9%
Unemployment rate	4.0%	0.0%

Trends (ACS 5-year, 2019–2023)

	Grantfork	Williamson
Population	331 → 468 (+41.4%)	215 → 164 (-23.7%)
Median household income	$75,536 → $103,750 (+37.4%)	$53,750 → $56,667 (+5.4%)
Median home value	$144,100 → $195,500 (+35.7%)	$57,600 → $75,500 (+31.1%)
Median gross rent	$800 → $1,042 (+30.3%)	$931 → $779 (-16.3%)

Grantfork

Population

331468

Median household income

$75,536$103,750

Median home value

$144,100$195,500

Median gross rent

$800$1,042

Williamson

Population

215164

Median household income

$53,750$56,667

Median home value

$57,600$75,500

Median gross rent

$931$779

Age & race/ethnicity

Age distribution (share)

	Grantfork	Williamson
Under 5	8.3%	0.6%
5 to 17	17.1%	9.1%
18 to 24	6.8%	6.1%
25 to 34	11.5%	11.6%
35 to 44	13.7%	5.5%
45 to 54	17.9%	17.1%
55 to 64	16.7%	17.1%
65 to 74	5.8%	20.7%
75 and over	2.1%	12.2%

Race & ethnicity (share)

	Grantfork	Williamson
White (non-Hispanic)	98.3%	93.9%
Black or African American	0.0%	0.0%
American Indian & Alaska Native	0.0%	0.0%
Asian	0.4%	0.0%
Native Hawaiian & Pacific Islander	0.0%	0.0%
Some other race	0.0%	0.0%
Two or more races	1.3%	3.7%
Hispanic or Latino	0.0%	2.4%

Educational attainment (age 25+)

Share of adults 25+

	Grantfork	Williamson
No high school diploma	1.9%	23.2%
High school graduate	21.8%	44.2%
Some college or associate's	30.9%	29.7%
Bachelor's degree	33.1%	2.9%
Graduate or professional degree	12.3%	0.0%

Commute to work

How workers get to work (share)

	Grantfork	Williamson
Drove alone	75.1%	89.6%
Carpooled	4.9%	3.9%
Public transit	0.0%	0.0%
Walked	8.1%	2.6%
Bicycle	0.0%	0.0%
Worked from home	11.9%	3.9%
Other means	0.0%	0.0%

Housing

Units in structure (share)

	Grantfork	Williamson
1-unit, detached	95.1%	91.8%
1-unit, attached	0.0%	2.1%
2 to 4 units	0.0%	0.0%
5 to 19 units	0.0%	0.0%
20 or more units	0.0%	0.0%
Mobile home & other	4.9%	6.2%

Poverty & households

	Grantfork	Williamson
Poverty rate	2.1%	17.1%
Average household size	2.61	1.91
Mean commute (minutes)	26	30
Median year structure built	1985	1946