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CITY

Grantfork

Illinois · 330 residents (2025 est.) · 0.368 sq mi
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The short version

Grantfork is wealthier than most US places, with a median household income of $95,625. The city has grown rapidly, with population up 81% since 2000. 47% of adults hold a bachelor's degree or higher. Median home value has roughly tripled since 2000, reaching $167,900. It sits in the top 10% of US cities for household income.

At a glance
Wealthier
above the US median
US median: $82,259
Younger
median age 35.8
US median: 38.9
More educated
47% hold a bachelor's degree
US average: 36%
Less affordable
home values up 64%, inflation adjusted
US median home: $376,019
Section 01

Population & growth

Total population
459
+81%since 2000
from 254 in 2000
1990 – 2025
Population density
1,247 / sq mi
+81%since 2000
from 690 / sq mi in 2000
US average: 281
Median age
35.8
−1%since 2000
from 36.1 in 2000
US average: 38.9

PEP 2025 EST:330 residents (Census Bureau Vintage 2025, released March 2026)

Population, 1990 – 2024
1962703454194931990201020202024Grantfork
2024459
1990201020202024
Section 02

Income & economy

Median household income
$95,625
+22%inflation adjusted, since 2000
from $42,917 in 2000
US average: $82,259
1990 – 2024
Per capita income
$42,361
+143%since 2000
from $17,415 in 2000
US average: $44,673
Households earning $100K+
58.2%
+34.4 ptssince 2009
from 23.8% in 2009
US average: 53.3%
Poverty rate
13.3%
+8.9 ptssince 2000
from 4.4% in 2000
US average: 12.5%
Income inequality (Gini)
0.383
+19%since 2010
from 0.322 in 2010
US average: 0.476
Workforce by industry, 2024
Wholesale trade20%
US avg: 6.9%
Retail trade10.8%
US avg: 9.9%
Other services3.6%
US avg: 6.7%
Information3.2%
US avg: 10.8%
Public administration3.2%
US avg: 4.8%
Finance & insurance2.8%
US avg: 5.9%
Agriculture, forestry, fishing2%
US avg: 1.6%
Construction2%
US avg: 1.2%
Professional, scientific, technical2%
US avg: 5.1%
Arts, entertainment, food1.6%
US avg: 1.9%
Transportation & warehousing1.2%
US avg: 2.2%
Education & health services0.8%
US avg: 0.9%
Manufacturing0%
US avg: 0.4%
BARS: THIS PLACE · TICKS: US AVERAGE
Section 03

Housing

Median home value
$167,900
+64%inflation adjusted, since 2000
from $56,300 in 2000
US average: $376,019
1990 – 2024
Owner-occupied
98.2%
+13.0 ptssince 2000
from 85.1% in 2000
1.8% rent
Vacancy rate
4.1%
−7.0 ptssince 2009
from 11.1% in 2009
US average: 10.0%
Owner cost-burdened
13.0%
−21.2 ptssince 2009
from 34.2% in 2009
US average: 22.9%
Renter cost-burdened
0.0%
Unchangedsince 2009
from 0.0% in 2009
US average: 47.4%
Afford Score
1.8
+34%since 2000
from 1.3 in 2000
1990 – 2024
Gentrification Score
75
RELATED:See current rent listings in Grantfork on RentDataNow
Section 04

Race & ethnicity

2000
White, non-Hispanic98.8%(251)
Black0%(0)
Hispanic / Latino0.4%(1)
Asian0%(0)
Other0%
Diversity Score1%(3)
2024
White, non-Hispanic96.1%(441)
Black0%(0)
Hispanic / Latino0.4%(2)
Asian0.7%(3)
Other2.8%(13)
Diversity Score9.5%(44)
Diversity Score
10
+862%since 2000
from 1 in 2000
1990 – 2024
Section 05

Education

Bachelor's degree or higher
47.3%
+38.1 ptssince 2000
from 9.3% in 2000
US average: 35.6%
High school or higher
98.6%
+16.5 ptssince 2000
from 82.1% in 2000
US average: 89.6%
Graduate degree
12.1%
+8.4 ptssince 2000
from 3.7% in 2000
US average: 14.0%
Section 06

Commute & transportation

Average commute
25.0 min
+48%since 2000
from 16.9 min in 2000
US average: 26.5
Drive alone to work
74.5%
+2.4 ptssince 2009
from 72.1% in 2009
US average: 68.9%
Carpooled to work
2.0%
−6.6 ptssince 2009
from 8.7% in 2009
US average: 8.5%
Public transit
0.0%
−3.8 ptssince 2009
from 3.8% in 2009
US average: 3.2%
Worked from home
14.2%
+3.6 ptssince 2009
from 10.6% in 2009
US average: 15.0%
Walked to work
9.3%
+9.3 ptssince 2009
from 0.0% in 2009
US average: 2.4%
Biked to work
0.0%
Unchangedsince 2009
from 0.0% in 2009
US average: 0.4%
No vehicle available
3.0%
+3.0 ptssince 2009
from 0.0% in 2009
US average: 8.3%
Section 07

Work & employment

Unemployment rate
7.1%
−2.8 ptssince 2011
from 9.9% in 2011
US average: 5.2%
Labor force participation
79.4%
+12.9 ptssince 2011
from 66.4% in 2011
US average: 63.5%
Self-employed
16.4%
+16.4 ptssince 2009
from 0.0% in 2009
US average: 13.1%
Management & professional
51.6%
+6.4 ptssince 2009
from 45.2% in 2009
US average: 42.5%
Section 08

People & community

Male
50.1%
−1.0 ptssince 2009
from 51.1% in 2009
Female
49.9%
+1.0 ptssince 2009
from 48.9% in 2009
Foreign born
1.1%
−3.4 ptssince 2009
from 4.5% in 2009
US average: 14.1%
Veterans
8.3%
−43.0 ptssince 2009
from 51.3% in 2009
US average: 6.2%
With a disability
13.1%
−0.2 ptssince 2012
from 13.3% in 2012
US average: 13.3%
Uninsured
2.2%
−89.5 ptssince 2013
from 91.7% in 2013
US average: 8.4%
Broadband at home
88.5%
+12.3 ptssince 2017
from 76.2% in 2017
US average: 91.0%
English only at home
90.1%
−8.4 ptssince 2016
from 98.5% in 2016
US average: 77.7%
Spanish at home
0.5%
−1.1 ptssince 2016
from 1.5% in 2016
US average: 13.6%
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Compare Grantfork to nearby cities

GRANTFORK VS
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Income$82,551−14%
Home value$202,900+21%
Population10,042+2943%
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GRANTFORK VS
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Income$112,434+18%
Home value$268,000+60%
Population11,893+3504%
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GRANTFORK VS
Maryville
Income$100,670+5%
Home value$261,800+56%
Population8,413+2449%
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GRANTFORK VS
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Income$86,721−9%
Home value$299,800+79%
Population26,463+7919%
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Frequently asked

How many people live in Grantfork, Illinois?

Grantfork, Illinois has about 459 residents according to the 2024 American Community Survey.

What is the median household income in Grantfork, Illinois?

The typical household in Grantfork, Illinois earns about $95,625 a year. Half of households make more than that, and half make less.

Is Grantfork, Illinois expensive?

In Grantfork, Illinois, the median home is worth about $167,900.

How educated are people in Grantfork, Illinois?

About 47.3% of adults age 25 and over in Grantfork, Illinois hold a bachelor's degree or higher.

What is the poverty rate in Grantfork, Illinois?

About 13.3% of people in Grantfork, Illinois live below the federal poverty line.

Has Grantfork, Illinois grown since 1990?

Yes, Grantfork, Illinois has grown since 1990. The population has added about 140 residents, a change of about 44 percent over that period.

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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

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