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Elwin

IllinoisCDP

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Total population

40

Median home value

$122,200

20%

Bachelor's+

Median income

$0

Elevation217 m
Weather94°F · Mostly Sunny
Coordinates39.78°, -88.98°

Demographic figures from US Census Bureau · ACS 5-year estimates. Overview below cites Wikipedia and may reference a different year.

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City facts

Elevation
217 m

Facts from Wikidata (CC0).

Overview

Elwin is an unincorporated community and census-designated place (CDP) in South Wheatland Township, Macon County, Illinois, United States. It was first listed as a CDP in 2020, with a population of 119.

Read more on Wikipedia

History & geography

History

Elwin was formed in 1859 on land owned by William Martin and Daniel H. Elwood. It was laid out after completion of the railroad. The name "Elwin" is an amalgamation of the surnames of founders Elwood and Martin.

Geography

Elwin is located in central Macon County. Centrally located within South Wheatland Township, it was once known as South Wheatland. It is south of the center of Decatur, the Macon county seat. U.S. Route 51 bypasses Elwin on its east side, with its old alignment passing through the center of the community formerly known as U.S. Route 51 Business (it was decommissioned in 2011). The two routes joined south of Elwin and lead south to Pana. According to the U.S. Census Bureau, the Elwin CDP has an area of , all land. The community is in the Spring Creek watershed, which flows north to the Sangamon River in Decatur.

Read full article on Wikipedia

Excerpted from the corresponding Wikipedia article (CC BY-SA).

Demographics & economy

Median age
67.4
Median home value
$122,200
Housing units
30
Poverty rate
0%
Unemployment
0%

Race & ethnicity

White
100%
Black
0%
Asian
0%
Hispanic
0%

Source: US Census Bureau — American Community Survey, 5-year estimates.

Geography

Latitude
39.7762
Longitude
-88.9776
Water area
—
View on OpenStreetMap

Coordinates & boundaries from the US Census TIGER/Line shapefiles.

Climate

Avg high
64.2°F
Avg low
46.9°F
Annual precipitation
41 in

10-year averages from ERA5 reanalysis (Open-Meteo).

Current forecast

Today
94°F
Mostly Sunny
Tonight
69°F
Slight Chance Showers And Thunderstorms
Friday
89°F
Chance Showers And Thunderstorms then Mostly Sunny
Friday Night
69°F
Slight Chance Showers And Thunderstorms
Saturday
93°F
Slight Chance Showers And Thunderstorms then Mostly Sunny
Saturday Night
70°F
Mostly Cloudy then Chance Showers And Thunderstorms

Forecast for Elwin, IL from NOAA NWS API.

Air quality

Industrial & pollution facilities

Natural hazard risk

Health (adults)

High blood pressure
29.3%
Diabetes
8.3%
Adult obesity
37.9%
Binge drinking
21.8%
Adult smoking
13.3%
No leisure activity
19.3%

Age-adjusted prevalence estimates from CDC PLACES (latest release).

Walkability

Amenities nearby

Wildlife & biodiversity

Observations (last 5 yrs, 10 mi)
47,312
Distinct species (top 10)
10

Most-observed species

  • Northern Cardinal
    Cardinalis cardinalis (Linnaeus, 1758) · Aves
    1,927
  • American Robin
    Turdus migratorius Linnaeus, 1766 · Aves
    1,630
  • Red-bellied Woodpecker
    Melanerpes carolinus (Linnaeus, 1758) · Aves
    1,536
  • Tufted Titmouse
    Baeolophus bicolor (Linnaeus, 1766) · Aves
    1,394
  • Blue Jay
    Cyanocitta cristata (Linnaeus, 1758) · Aves
    1,344
  • Downy Woodpecker
    Dryobates pubescens (Linnaeus, 1766) · Aves
    1,307
  • Mourning Dove
    Zenaida macroura (Linnaeus, 1758) · Aves
    1,221
  • Canada Goose (canadensis Group)
    Branta canadensis (Linnaeus, 1758) · Aves
    1,161

Citizen-science & research observations from the Global Biodiversity Information Facility (GBIF).

Schools

Total
31
Elementary
16
Middle
3
High
6
Other
6

Largest nearby schools

  • MacArthur High School
    High · Decatur · 1,105 students · 19.7:1 ratio
  • Eisenhower High School
    High · Decatur · 934 students · 17:1 ratio
  • Mt Zion High School
    High · Mount Zion · 763 students · 18.6:1 ratio
  • Montessori Academy for Peace
    Elementary · Decatur · 697 students · 17.9:1 ratio
  • Johns Hill Magnet School
    Elementary · Decatur · 643 students · 16.9:1 ratio
  • Hope Academy
    Elementary · Decatur · 563 students · 20.1:1 ratio
  • Dennis Lab School
    Elementary · Decatur · 551 students · 16.2:1 ratio
  • Mt Zion Intermediate School
    Elementary · Mount Zion · 534 students · 16.7:1 ratio

Public K–12 schools within ~10 mi from Urban Institute Education Data Portal (NCES Common Core of Data, 2022).

Earthquake history

Quakes ≥ 2.5 (25 yrs, 62 mi)
4
Largest magnitude
3.8
Largest event
2026-01-20

Most recent

Events from the USGS Earthquake Catalog (global) (FDSN Event Web Service).

Photos

Sights & places nearby

Notable people from here

Nearby places in Illinois

Browse all places in Illinois →

Geography & sun

Avg solar (kWh/m²/day)
4.07
Annual solar (kWh/m²)
1,486

Elevation, sunrise/sunset and daylight from Open-Meteo. Solar climatology from NASA POWER.

Nearby airports

Public attention

Wikipedia views (last 30 days)
50
Avg daily Wikipedia views
2
Attention level
Obscure

Pageview totals from the Wikimedia Pageviews API.

Books about Elwin

Developments in Applied Spectroscopy
Developments in Applied Spectroscopy
Elwin N. Davis · 2013
Final environmental impact statement
Final environmental impact statement
Illinois. Division of Highways · 1992

Search results from Open Library.

Recent natural events nearby

Ground air-quality sensors

Recently spotted species

Monarch
Monarch
Danaus plexippus
Seen 2026-09-16
Chickweed Geometer Moth
Chickweed Geometer Moth
Haematopis grataria
Seen 2026-09-15
Pandorus Sphinx
Pandorus Sphinx
Eumorpha pandorus
Seen 2026-09-13
Painted Turtle
Painted Turtle
Chrysemys picta
Seen 2026-09-13
Double-crested Cormorant
Double-crested Cormorant
Nannopterum auritum
Seen 2026-09-13
Mute Swan
Mute Swan
Cygnus olor
Seen 2026-09-13
American Dagger
American Dagger
Acronicta americana
Seen 2026-09-12
Downy Woodpecker
Downy Woodpecker
Dryobates pubescens
Seen 2026-09-12
Bluntnose Minnow
Bluntnose Minnow
Pimephales notatus
Seen 2026-09-12

Research-grade observations from iNaturalist (within ~15 mi).

Nearest stream gauge

Site
SANGAMON RIVER AT LAKE DECATUR, IL
Distance
3.7 mi
Water temp
17.3 °C

Live readings from USGS NWIS · measured 2025-05-04 17:15 UTC.

Events

Gallery

Sources

  • • Wikipedia
  • • US Census Bureau (ACS 5-year estimates)
  • • Open-Meteo (ERA5 reanalysis)
  • • NOAA National Weather Service
  • • Wikidata
  • • USGS Earthquake Catalog (global feed)
  • • USGS NWIS (water data)
  • • NCES via Urban Institute Education Data Portal
  • • GBIF (Global Biodiversity Information Facility)
  • • iNaturalist
  • • CDC PLACES
  • • Open-Meteo / sunrise-sunset.org
  • • Wikipedia Pageviews API
  • • Open Library