Griggsville is a city in Pike County, Illinois, home to about 1,310 people across 1.1 square miles. Its ZIP code is 62340.
Mostly Griggsville; also Pittsfield and Valley City
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| Nearest major airport | St. Louis Lambert International Airport (STL)69 miles away |
|---|---|
| Closer regional airport | Quincy Regional Airport Baldwin Field (UIN)30 miles away |
| Nearest city of 250,000+ | St. Louis, MO78 miles away |
| Nearest city of 1 million+ | Chicago, IL217 miles away |
Straight-line distances from the center of Griggsville; 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.
Griggsville had 1,097 residents in the 2020 census, down 13% since 2000.
It’s the 624th largest of 1,450 towns in Illinois by population.
Pike County grew from 31,595 residents in 1900 to 14,739 in 2020.
Pike County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 88°F in summer, and winter lows average 19°F. About 40.3 inches of rain and melted snow fall in a typical year, with about 16 inches of snow.
Source: NOAA 1991–2020 climate normals, Pittsfield #2, IL weather station (7 miles away).
3,345 jobs at 349 businesses in Pike County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
1 doctors and other health care providers list an office in Griggsville.
Nearest hospitals
Providers with an office here
| Mental health providers | 1 |
|---|
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 (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 Griggsville-Perry CUSD 4. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Griggsville-Perry Primary SchoolGriggsville | Pre-K–4 | 148 | Public | 0.1 mi |
| Griggsville-Perry High SchoolGriggsville | 9–12 | 89 | Public | 0.1 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 Pittsfield and Valley City.
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.