A history of Round Prairie and Plymouth, 1831-1875
Plymouth’s story
189 years in pictures
The archive holds 1 old photo or paper.
- 1837Plymouth is settled
PlymouthIL
Population
416
2025 Census estimate · −4.8% since 2020
Typical home
$105K
+4.4% in a year
Household income
$41K
median
Median age
51.3
years
Jobs based here
19
A commuter town
Is Plymouth a good place to live?
Plymouth has fewer than 1,000 residents, too few for fair grades; the figures below are still real.
What makes Plymouth stand out
Where Plymouth beats most towns.
Small town
416 people, and everyone knows the way
In a town this size, neighbors are the best guide. Ask them anything.
Nearby towns
Getting set up
The full setup list →Moving to Plymouth: who provides what
Who provides power, water and the rest in Plymouth, and how to reach them.
PowerAmeren Illinois Company16.7¢/kWh · EIA 2025HIFLD · EIA
WaterPlymouth water systemNo health-based violations in 5 years · EPAEPA
Internet1 providers100% of addresses get 100/20 MbpsFCC
Trash & dumpNot on file yetWe don’t have Plymouth’s trash rules yet
Register to voteOnlineIn Illinois you can register online until 16 days before Election Day, in person up to and including Election Day, or by mail (postmarked 28 days before).vote.govWho runs elections hereHancock County ClerkHancock County; contacts on the Handbook page.FVAP, Jun 2025
ZIP code6236762367 100%Census 2020
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 Plymouth.
Housing
Homes in Plymouth are worth about $105K, by Zillow’s estimate
Plymouth: 84% of households live in a home they own, above both the Illinois town median (75%) and the median of U.S. towns (73%). Over the 12 months to September 2026, the typical home gained 4.4% in value.
$105KZillow home value
Typical home value
Plymouth$105K
Illinois$296K
+4.4%
value change, 1 year
1
homes sold in May
Census ACS, 2020–24 · Zillow Home Value Index · Redfin Data Center
Work & commute
Plymouth stands out in Illinois and nationally: the median household income there is lower
Half of commuters travel less than 23 miles. The share of residents in Plymouth who live below the poverty line: 25%. In Plymouth, the average commute is 34 minutes, above both Illinois’ towns (26 minutes) and U.S. towns (25 minutes). The top destinations are Carthage (17%), Macomb (6%) and Augusta (5%).
0%work in town
| Plymouth | Illinois towns | U.S. towns | |
|---|---|---|---|
| Below the poverty line | 25% | 8.4% | 9.6% |
| Average trip to work | 34 minutes | 26 minutes | 25 minutes |
| Median household income | $41,000 | $83,000 | $80,000 |
Where working residents work
In Plymouth0%
Carthage17%
Macomb6%
Augusta5%
Mount Sterling5%
23 mi
median commute distance
19
jobs based in Plymouth
A commuter town
jobs vs. working residents
Census LEHD 2023 · ACS
Climate
Plymouth: four seasons and pleasant summers
A winter brings about 24 inches of snow, with January nights at 18° and July afternoons at 86°.
24″snow a winter
Typical low → high °F
Winter21–37°
Spring42–63°
Summer64–84°
Fall44–65°
Oct 22
typical first frost
Apr 13
typical last frost
+0.7°
vs. the 20th-century average
NOAA U.S. Climate Normals, 1991–2020
Health
How healthy Plymouth is
18% of adults report frequent mental distress in Plymouth. Two figures for adults in the town: 40% have obesity, 15% report frequent physical distress.
| Plymouth | Illinois towns | U.S. towns | |
|---|---|---|---|
| Smoke cigarettes (CDC PLACES) | 16% | 13% | 14% |
| Obesity (CDC PLACES) | 40% | 37% | 35% |
| Frequent physical distress (CDC PLACES) | 15% | 13% | 14% |
| Frequent mental distress (CDC PLACES) | 18% | 17% | 17% |
32 measures vs. Illinois
0 better25 too close to call7 worse
| What stands out | Plymouth | IL |
|---|---|---|
| More older adults who have lost all their teeth | 14.8% | 10.3% |
| More adults with COPD | 8.9% | 6.3% |
| More smokers | 16.1% | 12.1% |
Memorial Hospital
13.1 mi away · emergency room
3 of 3
care shortages: primary care, dental, mental health
CDC PLACES 2025 · modeled estimates for adults · CMS · HRSA
Natural hazards
Natural hazards: moderate risk in Plymouth, mostly cold waves
FEMA puts just over a fifth of Plymouth’s expected hazard losses down to cold waves, and 20% to drought. Expected storm and flood damage is higher than in 52% of U.S. communities. Households locally have drawn federal disaster aid in 2 declared disasters, most recently in 2023.
52risk score of 100
FEMA risk score
Cold wavesDroughtInland flooding
2
federal disasters paid out here
FEMA disaster declarations and aid · FEMA National Risk Index · OpenFEMA
Keep exploring
Everything we know about Plymouth
17pages on Plymouth
The big questions
The story
After high school
Colleges nearby
None within 15 miles of Plymouth; the nearest are
Western Illinois UniversityUniversity or college · Public · Macomb17.1 mi$15,264 in-state tuitionJohn Wood Community CollegeCommunity college · Public · Quincy34.3 mi$5,700 in-state tuition
About 6 of every 100 Plymouth residents are enrolled in college, about the same as Illinois.
A commuter town
100% of working residents leave Plymouth for work
Where Plymouth’s working residents go each day. Line width shows the share.
19jobs based in Plymouth
0%of working residents work in town
23 mimedian commute distance
Census LEHD 2023
About Plymouth
Village in Illinois, United States
Plymouth is a village in Hancock and McDonough counties, Illinois, United States. The population was 436 at the 2020 census, down from 505 in 2010.
From Wikipedia, licensed CC BY-SA 4.0 · facts via Wikidata (CC0)
- Area
- 0.6 sq mi
- Elevation
- 650 ft
- ZIP code
- 62367
Questions about Plymouth
Short answers, built from the data on this page.
Is Plymouth, IL a good place to live?
Plymouth has fewer than 1,000 residents, too few for fair grades; the figures below are still real.
What is Plymouth, IL known for?
2 notable people were born here, including Adelaide Johnson and Edmond H. Madison.