St. JacobIL
A town of 1,371, settled in 1851.
Is St. Jacob a good place to live?
St. Jacob’s best subject grades are an A for incomes, health, and schools; its weakest is a C for hazard risk. 5.6% of residents are 65 or older in St. Jacob, below both the Illinois town median (19%) and the median of U.S. towns (18%). On incomes, just 101 of Illinois’ 1,285 towns do better. St. Jacob’s trail density is 1.1 miles per square mile, above both Illinois’ towns (0.3) and U.S. towns (0.4). The biggest park or preserve is St. Jacob Township Park, at 20 acres. St. Jacob has fewer than 2,500 residents, so it gets subject grades but no overall grade.
What makes St. Jacob stand out
Where St. Jacob beats most towns.
St. Jacob has grown 23% since 2010
1,098 counted in 2010 and 1,358 in 2020; an estimated 1,371 in 2025.
U.S. Census 2010 & 2020 counts · Census Bureau estimate, July 1, 2025
How St. Jacob grades
Each subject compared with towns across the country (schools within Illinois), ordered by how far St. Jacob is from typical.
St.
How TownRatings grades towns →
Moving to St. Jacob: who provides what
Who provides power, water and the rest in St. Jacob, 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 St. Jacob.
A smaller share of adults have diabetes in St. Jacob than in most of Illinois or the rest of the country
7.6% of adults have diabetes in St. Jacob. Only 6 of the 768 Illinois towns we compare have a higher share of adults who binge drink than St. Jacob. 28% of adults have high blood pressure in St. Jacob.
| St. Jacob | Illinois towns | U.S. towns | |
|---|---|---|---|
| Binge drink (CDC PLACES) | 22% | 18% | 16% |
| Diabetes (CDC PLACES) | 7.6% | 11% | 12% |
| High blood pressure (CDC PLACES) | 28% | 35% | 35% |
| Get no exercise (CDC PLACES) | 16% | 23% | 25% |
| What stands out | St. Jacob | IL |
|---|---|---|
| Fewer uninsured adults | 5.3% | 9.9% |
| Fewer adults facing food insecurity | 8.7% | 15.9% |
| More binge drinkers | 22% | 17.8% |
CDC PLACES 2025 · modeled estimates for adults · CMS · HRSA
More children than Illinois overall
Children under 18 are 37% of residents (22% statewide); people 65 and older are 6% of residents (17% statewide). The median age in St. Jacob is 33.9 years. 34% of adults 25 and older have a bachelor’s degree or more, vs 38% across Illinois.
| St. Jacob | Illinois towns | U.S. towns | |
|---|---|---|---|
| Median age | 33.9 years | 40.7 years | 40.5 years |
| Bachelor’s degree or more, 25+ | 34% | 29% | 29% |
Ages · share of residents
Education · adults 25 and older
Women and men · all residents
53% women, 47% men
That’s an even split within the survey’s margin of ±4.4 points. Across Illinois, 50.6% of residents are women. Median age: women 33.8, men 34.0.
| St. Jacob | IL | U.S. | |
|---|---|---|---|
| Under 10 | 16.8% | 11.5% | 11.6% |
| 10 to 17 | 20.1% | 10.4% | 10.3% |
| 18 to 24 | 4.5% | 9.1% | 9.1% |
| 25 to 34 | 14.8% | 13.6% | 13.7% |
| 35 to 44 | 18.5% | 13.3% | 13.2% |
| 45 to 54 | 11.5% | 12.4% | 12.2% |
| 55 to 64 | 8.1% | 12.8% | 12.7% |
| 65 to 74 | 4% | 10% | 10.2% |
| 75 and older | 1.6% | 7% | 7% |
| No diploma | 4.4% | 9.5% | 10.4% |
| High school | 18.9% | 25.1% | 26% |
| Some college | 23.5% | 19.2% | 19.1% |
| Associate’s | 19% | 8.3% | 8.8% |
| Bachelor’s | 20.1% | 22.6% | 21.6% |
| Graduate | 14.1% | 15.3% | 14.1% |
U.S. Census Bureau · ACS 2020-2024 5-year estimates · in a town of 1,400, single groups can be off by several points
St. Jacob has 0.2 jobs for every working resident, so most commute out
Most working residents leave St. St. Jacob’s median household income is $112,000. Since 2013, St. Jacob has added 51 jobs, to 155 in 2023.
| St. Jacob | Illinois towns | U.S. towns | |
|---|---|---|---|
| Median household income | $112,000 | $83,000 | $80,000 |
| Below the poverty line | 3% | 8.4% | 9.6% |
| Working residents who work in town | 1.6% | 8.3% | 8% |
| Average trip to work | 28 minutes | 26 minutes | 25 minutes |
Where working residents work
Census LEHD 2023 · ACS
In St. Jacob, expect four seasons and hot summers
Jacob has chilly winters and warm summers. July afternoons reach 88°, January nights drop to 23° and about 10 inches of snow falls in a winter.
Typical low → high °F
NOAA U.S. Climate Normals, 1991–2020
St. Jacob’s typical home value is about $353K
The typical St. 86% of St. Jacob households own their home. Typical home values rose 4.4% in the year to September 2026.
| St. Jacob | Illinois towns | U.S. towns | |
|---|---|---|---|
| Households that own their home | 86% | 75% | 73% |
| Median rent | $1,138 a month | $1,129 a month | $1,185 a month |
Typical home value
Census ACS, 2020–24 · Zillow Home Value Index · Redfin Data Center
St. Jacob faces a high natural-hazard risk, led by inland flooding
Expected storm and flood damage is higher than in 64% of U.S. communities.
FEMA National Risk Index · OpenFEMA
St. Jacob has set aside 4% of its land for conservation
0.9 miles of trail in 2 parks and preserves.
| Biggest places to walk | Trails | Acres |
|---|---|---|
| 1. St. Jacob Township Park | 0.8 mi | 20 |
| 2. Mills Pond Park | — | 3 |
Trails & parks © OpenStreetMap contributors · Conserved land: USGS PAD-US
Cahokia and 50 more within 40 miles
Museums, parks, gardens and other places to visit around St. Jacob. Close and well known come first.
Big draw17 mi State parkCahokia
Big draw24 mi Stadium & arenaThe Dome at America's Center
24 mi Stadium & arenaBusch Stadium
17 mi LandmarkMonks Mound
23 mi National ParkGateway Arch National Park2.2M visitors a year
27 mi Ancient sitePiasaPhoto credits
Cahokia: Thank You (24 Millions ) views, CC BY 2.0 · The Dome at America's Center: Paul Sableman, CC BY 2.0 · Busch Stadium: Lee Ann Ratledge, CC BY 4.0 · Monks Mound: Skubasteve834, CC BY-SA 3.0 · Gateway Arch National Park: Daniel Schwen, CC BY-SA 4.0 · Piasa: Burfalcy, CC BY-SA 3.0
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Everything we know about St. Jacob
Colleges nearby
2 within 15 miles of the center of St. Jacob
About 5 of every 100 St. Jacob residents are enrolled in college, about the same as Illinois.
1,371 people, and everyone knows the way
In a town this size, neighbors are the best guide. Ask them anything.
Questions about St. Jacob
Short answers, built from the data on this page.
Is St. Jacob, IL expensive?
That is 4.4 years of the area's median household income ($80,196 across the St. 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 B.