Spring Bay is a village in Tazewell County, Illinois, home to about 520 people across 0.7 square miles. It has no ZIP code of its own: it’s part of 61611.
Homes sold for a median of $115 per square foot in the three months ending August 2026, a seller’s market.
Mostly East Peoria; part is in Spring Bay
Each card is that ZIP code’s whole market, including any part outside Spring Bay. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Spring Bay’s story and what everyday life there is like, for people thinking about moving in.
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| Nearest major airport | Chicago Midway International Airport (MDW)121 miles away |
|---|---|
| Closer regional airport | General Wayne A. Downing Peoria International Airport (PIA)7 miles away |
| Nearest city of 250,000+ | Chicago, IL126 miles away |
Straight-line distances from the center of Spring Bay; driving is longer.
Source: Airports from OurAirports (scheduled passenger service); city centers and populations from the U.S. Census Bureau.
Source: Members of Congress from the congress-legislators project; districts from the Census Bureau’s relationship files; governor and mayor from Wikidata.
Spring Bay had 474 residents in the 2020 census, up 9% since 2000.
It’s the 925th largest of 1,450 towns in Illinois by population.
Tazewell County grew from 33,221 residents in 1900 to 131,343 in 2020.
Tazewell County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 86°F in summer, and winter lows average 18°F. About 37.6 inches of rain and melted snow fall in a typical year, with about 26 inches of snow.
Source: NOAA 1991–2020 climate normals, Peoria Gtr Peoria Ap, IL weather station (7 miles away).
43,738 jobs at 2,772 businesses in Tazewell County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
117 doctors and other health care providers list an office in Spring Bay.
Nearest hospitals
Providers with an office here
| Primary care doctors | 1 |
|---|---|
| Specialist doctors | 2 |
| Dentists | 21 |
| Nurse practitioners and physician assistants | 24 |
| Mental health providers | 33 |
| Physical and occupational therapists | 27 |
| Optometrists | 2 |
| Chiropractors | 7 |
| Pharmacies | 6 |
Source: Hospitals from CMS Hospital General Information (ratings are CMS overall star ratings); straight-line distances; providers from the CMS National Plan and Provider Enumeration System (NPPES), by practice address and primary specialty.
Parks (5 nearby)
Grocery stores
Pharmacies
Libraries
Museums
Theaters and performance venues (1 nearby)
Counts are within about 1 mile of the center of town.
Source: Map data © OpenStreetMap contributors (openstreetmap.org/copyright), as mapped by volunteers; it can miss places or include closed ones.
Public schools here are run by East Peoria SD 86, Riverview CCSD 2, Robein SD 85 and others. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Don D Shute Elem SchoolEast Peoria | Pre-K–2 | 206 | Public | 2.6 mi |
| Riverview Elem SchoolEast Peoria | Pre-K–8 | 220 | Public | 8.5 mi |
| Armstrong-Oakview Elem SchoolEast Peoria | K–2 | 155 | Public | 2.4 mi |
| Robein Elem SchoolEast Peoria | K–8 | 150 | Public | 2.5 mi |
| Woodrow Wilson Elem SchoolEast Peoria | K–2 | 162 | Public | 1.5 mi |
| Glendale Elem SchoolEast Peoria | 3–5 | 151 | Public | 0.9 mi |
| Lincoln Elem SchoolEast Peoria | 3–5 | 148 | Public | 1.5 mi |
| P L Bolin Elem SchoolEast Peoria | 3–5 | 145 | Public | 0.7 mi |
| Central Jr High SchoolEast Peoria | 6–8 | 434 | Public | 1.2 mi |
| East Peoria High SchoolEast Peoria | 9–12 | 823 | Public | 0.4 mi |
| WCSEA-RiverviewEast Peoria | — | — | Special Education | 8.5 mi |
Source: U.S. Department of Education, NCES: Common Core of Data (2024-2025) for public schools. Listed by address; we don’t rate schools.
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Shares ZIP codes with East Peoria and Bay View Gardens.
Town boundaries don’t always match ZIP codes: a ZIP code can cross into neighboring towns, and a town can share a ZIP code with its neighbors. Facts describe the town itself; market figures describe whole ZIP codes.