What is the median household income in Prairie Du Long Township, IL?

Name: Income and affordability in Prairie Du Long Township, IL, 2020–2024
Creator: US Census Bureau
License: https://www.census.gov/data/developers/about/terms-of-service.html

The median household income in Prairie Du Long Township, IL is $159,129 (±$32,880) a year (2020–2024 American Community Survey).

In Prairie Du Long Township, the median household income went from $98,438 in 2015–2019 to $159,129 in 2020–2024 (+61.7%).

Prices (CPI-U) rose 22.7% over the same years; the change is not measurably different from the rise in prices.

Figures last updated on November 12, 2026.

Median household income: $159,129 (±$32,880)

Income in Prairie Du Long Township against St. Clair County, its state and the nation

Income, estimate (90% margin of error)
	Prairie Du Long Township	St. Clair County	Illinois	United States
Median household income	$159,129 (±$32,880)	$73,854 (±$1,990)	$83,390 (±$362)	$80,734
Median renter household income	—	$44,921 (±$3,316)	$50,420 (±$471)	$52,966
Median owner household income	$163,929 (±$33,962)	$90,696 (±$2,570)	$103,505 (±$377)	$100,009
Median gross rent	—	$1,090 (±$22)	$1,274 (±$5)	$1,413

In Prairie Du Long Township, median household income is higher than in St. Clair County ($73,854).

It is also higher than in Illinois ($83,390).

It is higher than the national figure ($80,734).

In St. Clair County, Prairie Du Long Township ranks 1 of 46 places with a published estimate, from highest to lowest median household income.

Statewide, it ranks 60 of 2,652.

Rankings use the estimates alone; where margins of error overlap, neighboring ranks may not truly differ.

Income against housing costs since 2015–2019

2015–2019 and 2020–2024 American Community Survey 5-year estimates
	2015–2019	2020–2024	Amount of change	Verdict
Median household income	$98,438 (±$16,717)	$159,129 (±$32,880)	+61.7%	No measurable change after inflation
Median home value	$238,500 (±$15,840)	$336,100 (±$27,782)	+40.9%	Up after inflation

The Census Bureau publishes 2015–2019 dollars in 2019 dollars and 2020–2024 dollars in 2024 dollars.

Prices (the CPI-U, US Bureau of Labor Statistics) rose 22.7% between 2019 and 2024, so a dollar figure’s verdict compares the two after raising the earlier one by that much, using the Census Bureau’s test for a difference.

The two periods do not overlap, as the Census Bureau recommends for 5-year estimates.

Median household income in places near Prairie Du Long Township

Nearest places with a published estimate, compared with Prairie Du Long Township
Place	Distance	Median household income	Compared with this place
Prairie Du Long Township	—	$159,129 (±$32,880)	—
Hecker	3.3 mi	$79,583 (±$13,058)	Lower
Smithton	4.2 mi	$135,455 (±$22,538)	Not measurably different
Smithton Township	5.6 mi	$122,778 (±$16,608)	Not measurably different
New Athens Township	6.6 mi	$51,786 (±$14,274)	Lower
New Athens	6.6 mi	$56,553 (±$9,607)	Lower
Millstadt Township	7.0 mi	$91,144 (±$18,869)	Lower
Freeburg	7.1 mi	$92,065 (±$13,787)	Lower
Lenzburg Township	8.6 mi	$52,917 (±$29,679)	Lower

Nearby places with a measurably lower figure: Hecker, IL ($79,583), New Athens Township, IL ($51,786), New Athens, IL ($56,553).

Distance is measured in a straight line between the Census Bureau’s internal points for each place.

Median household income across St. Clair County, place by place

Rank	Place	Median household income
1	Prairie Du Long Township	$159,129 (±$32,880)
2	Engelmann Township	$143,333 (±$81,917)
3	Smithton	$135,455 (±$22,538)
4	Smithton Township	$122,778 (±$16,608)
5	St. Libory	$116,964 (±$14,906)
6	O'Fallon	$105,982 (±$6,723)
7	Shiloh Valley Township	$104,772 (±$12,921)

Showing 7 of 46 places in St. Clair County, ranked from highest to lowest.

Survey years: 2020–2024 (American Community Survey 5-year estimates), compared with 2015–2019.

Margins of error are at the 90% confidence level.

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Questions about Prairie Du Long Township

What is the median household income in Prairie Du Long Township?

The median household income in Prairie Du Long Township is $159,129 (±$32,880) a year (2020–2024 American Community Survey).

Have incomes in Prairie Du Long Township kept up with inflation?

In Prairie Du Long Township, the median household income went from $98,438 in 2015–2019 to $159,129 in 2020–2024 (+61.7%).

Prices (CPI-U) rose 22.7% over the same years; the change is not measurably different from the rise in prices.

Sources

To check these figures in the Census Bureau’s own API, request the variables below from the 2024 ACS 5-year data profile (acs/acs5/profile) and detailed tables (acs/acs5) for Prairie Du Long township, St. Clair County, Illinois (county subdivision:61600, in state:17 county:163).

Each estimate (E or PE) has a margin of error beside it (M or PM).

The 2015–2019 figures are B19013_001E, B19013_001M, B25064_001E, B25064_001M, B25077_001E, B25077_001M from the 2019 release.

The API needs a free key.

Request a Census API key.

DP03_0062E, DP03_0062M, B25119_003E, B25119_003M, B25119_002E, B25119_002M, DP04_0134E, DP04_0134M

This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.

Figures are published by the US Census Bureau, HUD, the Bureau of Labor Statistics and the FBI; Seayora reproduces them and does not adjust them, except where a sentence says it compares dollar figures after inflation. They describe the whole place, not any one building or street, and are not an appraisal, a rent determination, a tax bill, a safety rating or legal advice.