Prairie Du Long TownshipIL
A town of 2,549.
What should you know before moving to Prairie Du Long Township?
Prairie Du Long Township's standout: the median household earns $159K. Overall it grades A−, 267th of 767 graded towns in Illinois. Its schools outperform 87% of the state's. Its weakest subject is hazard risk: FEMA rates its natural-hazard risk higher than 77% of U.S. communities, with inland flooding at the top. Only 45 of Illinois’ 1,285 towns score lower on the outdoors. Most errands need a car: it is less walkable than 78% of U.S. towns. Among 768 Illinois towns, just 4 have a higher July high than Prairie Du Long Township.
Prairie Du Long Township has grown 12% since 2010
2,244 counted in 2010 and 2,622 in 2020; an estimated 2,549 in 2025.
Since 2020 the trend has turned: down 3.9%, after 16.8% growth in the decade before.
U.S. Census 2010 & 2020 counts · Census Bureau estimate, July 1, 2025
How Prairie Du Long Township grades
Each subject compared with towns across the country (schools within Illinois), ordered by how far Prairie Du Long Township is from typical.
How TownRatings grades towns →
Moving to Prairie Du Long Township: who provides what
Who provides power, water and the rest in Prairie Du Long Township, and how to reach them.
EPA SDWIS (Oct 9, 2026) · HIFLD + EIA-861 2025 · Census 2020 ZCTAs · NCES 2024–25 · registration: vote.gov, updated Sep 12, 2025.
The data
Ordered by what stands out in Prairie Du Long Township.
Prairie Du Long Township sends many workers across the state line to St. Louis, has less no health insurance than most of Illinois and has household incomes well above the Illinois norm.
A smaller share of residents live below the poverty line in Prairie Du Long Township than in most of Illinois or the rest of the country
21% of working residents cross a state line to work, St. Louis among the top destinations. Prairie Du Long Township has 124 jobs for its 1,265 working residents: even if every job went to a resident, most would still commute out.
0.5% of residents live below the poverty line in Prairie Du Long Township, against 8.4% in Illinois’ towns and 9.6% across U.S. towns. Prairie Du Long Township’s average trip to work is 37 minutes. Jobs based in Prairie Du Long Township grew to 124 in 2023, 39 more than in 2013.
| Prairie Du Long Township | Illinois towns | U.S. towns | |
|---|---|---|---|
| Median household income | $159,000 | $83,000 | $80,000 |
| Average trip to work | 37 minutes | 26 minutes | 25 minutes |
| Below the poverty line | 0.5% | 8.4% | 9.6% |
| Working residents who work in town | 1.4% | 8.4% | 8% |
Where working residents work
Census LEHD 2023 · ACS
Prairie Du Long Township faces a high natural-hazard risk, led by inland flooding
FEMA National Risk Index · OpenFEMA
Fewer young adults than Illinois overall
The median household earns $159,129, against $83,390 across Illinois, one input to its A+ for jobs and income.
Adults 18 to 34 are 10% of residents (23% statewide); adults 35 to 64 are 48% of residents (39% statewide). 47% of adults 25 and older hold a bachelor’s degree or more in Prairie Du Long Township, above both the Illinois town median (29%) and the median of U.S. towns (29%). Prairie Du Long Township has lost 3.9% of its people since 2020, down to 2,549 in the Census Bureau’s 2025 estimate.
| Prairie Du Long Township | Illinois towns | U.S. towns | |
|---|---|---|---|
| Bachelor’s degree or more, 25+ | 47% | 29% | 29% |
| Median age | 44.1 years | 40.7 years | 40.5 years |
| Under 18 | 25% | 22% | 22% |
| Aged 65 or older | 17% | 19% | 18% |
Ages · share of residents
Education · adults 25 and older
Women and men · all residents
52% women, 48% men
That’s an even split within the survey’s margin of ±4.6 points. Across Illinois, 50.6% of residents are women.
| Prairie Du Long Township | IL | U.S. | |
|---|---|---|---|
| Under 10 | 9.6% | 11.5% | 11.6% |
| 10 to 17 | 15% | 10.4% | 10.3% |
| 18 to 24 | 4.9% | 9.1% | 9.1% |
| 25 to 34 | 5.4% | 13.6% | 13.7% |
| 35 to 44 | 17.4% | 13.3% | 13.2% |
| 45 to 54 | 11.9% | 12.4% | 12.2% |
| 55 to 64 | 19% | 12.8% | 12.7% |
| 65 to 74 | 13.5% | 10% | 10.2% |
| 75 and older | 3.3% | 7% | 7% |
| No diploma | 1.1% | 9.5% | 10.4% |
| High school | 13.8% | 25.1% | 26% |
| Some college | 23.7% | 19.2% | 19.1% |
| Associate’s | 14% | 8.3% | 8.8% |
| Bachelor’s | 27.6% | 22.6% | 21.6% |
| Graduate | 19.8% | 15.3% | 14.1% |
Census population estimates, 2025 · U.S. Census Bureau · ACS 2020-2024 5-year estimates · in a town of 2,500, single groups can be off by several points
Prairie Du Long Township is healthier than 73% of U.S. towns
Its widest gap with Illinois is no health insurance: 5.9% of those 18–64 have no health insurance, against 9.9% statewide. Against the 2,221 U.S. towns with household incomes like Prairie Du Long Township’s, it is less healthy than 89%: its national edge comes with its incomes.
Prairie Du Long Township beats the Illinois average on 7 of 32 CDC measures and trails it on 2. 19% of adults binge drink in Prairie Du Long Township.
| Prairie Du Long Township | Illinois towns | U.S. towns | |
|---|---|---|---|
| Binge drink (CDC PLACES) | 19% | 18% | 16% |
| Sleep under 7 hours (CDC PLACES) | 33% | 35% | 36% |
| Feel lonely (CDC PLACES) | 31% | 33% | 33% |
| Food insecurity (CDC PLACES) | 9.9% | 13% | 14% |
| What stands out | Prairie Du Long Township | IL |
|---|---|---|
| Fewer uninsured adults | 5.9% | 9.9% |
| Fewer adults facing food insecurity | 9.9% | 15.9% |
| More adults who have had cancer | 10% | 7.6% |
CDC PLACES 2025 · modeled estimates for adults · CMS · HRSA
Four seasons and hot summers in Prairie Du Long Township
Prairie Du Long Township has chilly winters and warm summers. The January low in Prairie Du Long Township is 24°F.
Typical low → high °F
NOAA U.S. Climate Normals, 1991–2020
Everything we know about Prairie Du Long Township
Colleges nearby
1 within 15 miles of the center of Prairie Du Long Township
About 5 of every 100 Prairie Du Long Township residents are enrolled in college, about the same as Illinois.
99% of working residents leave Prairie Du Long Township for work
Where Prairie Du Long Township’s working residents go each day. Line width shows the share.
Census LEHD 2023
About Prairie Du Long Township
Township in Illinois, United States
Prairie du Long Township is located in St. Clair County, Illinois. As of the 2010 census, its population was 2,244 and it contained 864 housing units.
From Wikipedia, licensed CC BY-SA 4.0 · facts via Wikidata (CC0)
- Area
- 36 sq mi
- Elevation
- 427 ft
Prairie Du Long Township’s neighbors
3 towns share a border with Prairie Du Long Township.
| Town | IL rank | Overall | Cost | Safety | Schools | Health |
|---|---|---|---|---|---|---|
| Prairie Du Long Township | #267 | A− | C+ | — | A | B+ |
| Millstadt Township | #363 | B+ | C+ | — | B+ | A− |
| New Athens Township | — | — | B− | — | A | B+ |
| Smithton Township | — | — | — | — | — | — |
New Athens Township has fewer than 2,500 residents, so it gets subject grades but no overall grade. Prairie Du Long Township, Millstadt Township and New Athens Township report no FBI crime data of their own. Smithton Township isn’t graded (fewer than 1,000 residents, or not enough data). Compare Prairie Du Long Township with a neighbor →
Questions about Prairie Du Long Township
Short answers, built from the data on this page.
Is Prairie Du Long Township, IL a good place to live?
By most measures, yes. Prairie Du Long Township grades A− overall, better than 77% of U.S. towns and #267 of 767 in Illinois. It grades B+ for health and A for schools. Hazard risk is its weak spot, with a C−.
Is Prairie Du Long Township, IL expensive?
Louis, MO-IL metro area). Cost of living, which also weighs rents, property taxes and how many households pay 30% or more of their income for housing, grades C+.