Each edition grades its towns against each other only.
The town was settled in 1869 and has 104 residents today.
Chain of Rocks’ typical household income is $151,000, against $62,000 in Missouri’s towns and $80,000 across U.S. towns. Among 248 Missouri towns, just one has a higher share of households owning their home than Chain of Rocks. Chain of Rocks has fewer than 1,000 residents, too few for fair grades; the figures below are still real.
In a town this size, neighbors are the best guide. Ask them anything.
Census counts: 91 in 2000, 97 in 2020. The archive holds 1 old photo or paper and 2 maps from 1941 on.
Who provides power, water and the rest in Chain of Rocks, and how to reach them.
EPA SDWIS (Oct 9, 2026) · HIFLD + EIA-861 2025 · Census 2020 ZCTAs · NCES 2024–25 · registration: vote.gov, updated Nov 18, 2024.
Ordered by what stands out in Chain of Rocks.
Paid flood insurance claims in Chain of Rocks since 2008: 3. On expected storm and flood damage, Chain of Rocks sits above 83% of U.S. communities. 64% of the town’s expected losses from natural hazards come from inland flooding, followed by heat waves at 10%.
FEMA flood insurance claims · FEMA National Risk Index · OpenFEMA
In Chain of Rocks, the typical journey to work is 16 minutes. The top destinations are St. Peters (9%), O'Fallon (8%) and Maryland Heights (6%). For residents in the town, the share who live below the poverty line is 3.1%. Half the trips to work are shorter than 24 miles.
| Chain of Rocks | Missouri towns | U.S. towns | |
|---|---|---|---|
| Average trip to work | 16 minutes | 22 minutes | 25 minutes |
| Below the poverty line | 3.1% | 14% | 9.6% |
Census LEHD 2023 · ACS
July afternoons reach 89°, January nights drop to 21° and about 14 inches of snow falls in a winter.
NOAA U.S. Climate Normals, 1991–2020
The share of adults in Chain of Rocks who get no exercise outside work: 30%. CDC measures, 32 in all: Chain of Rocks beats Missouri on 1 and trails on 1. Two figures for adults in the town: 41% have obesity, 40% sleep under 7 hours.
| Chain of Rocks | Missouri towns | U.S. towns | |
|---|---|---|---|
| Smoke cigarettes (CDC PLACES) | 19% | 17% | 14% |
| Obesity (CDC PLACES) | 41% | 38% | 35% |
| Sleep under 7 hours (CDC PLACES) | 40% | 38% | 36% |
| Frequent physical distress (CDC PLACES) | 16% | 15% | 14% |
| What stands out | Chain of Rocks | MO |
|---|---|---|
| Fewer older adults who have lost all their teeth | 10.1% | 15.8% |
| Fewer adults screened for colon cancer | 58.6% | 64% |
CDC PLACES 2025 · modeled estimates for adults · CMS · HRSA
3 within 15 miles of the center of Chain of Rocks
About 2 of every 100 Chain of Rocks residents are enrolled in college, against 6 across Missouri.
Where Chain of Rocks’s working residents go each day. Line width shows the share.
Census LEHD 2023
Village in Missouri, United States
Chain of Rocks is a village in Lincoln County, Missouri, United States. As of the 2020 census, Chain of Rocks had a population of 97.
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Short answers, built from the data on this page.
Chain of Rocks has fewer than 1,000 residents, too few for fair grades; the figures below are still real.