Pike County, Illinois
Pike County: county in Illinois, United States.
About
Pike County is a county located in the U.S. state of Illinois. As of the 2010 census, the population was 16,430 and a population density of 7 people per km². After 10 years in 2020 county had an estimated population of 15,239 inhabitants. Its county seat is Pittsfield. The county was created 205 years ago in 1820.
County Snapshot
Pike County at a glance
Pike County currently has 6 quality-checked populated place pages linked on MapSof, making it easier to jump from the county overview into local city pages.
Mapped populated places
6
These counts use a stricter populated-place filter so the main lists stay focused on real city and town pages.
Illinois counties
102
Open related pagesLargest city
New SalemPopulation 5,337
Top linked places
Quick Facts about Pike County
| Population | 15,239 (2020) |
| Country | United States of America |
| State | Illinois (United States) |
| Different from | Pike County, Pike County, Pike County, Pike County, Pike County, Pike County, Pike County, Pike County, Pike County |
| Area | 2199 km2 |
| Water as percent of area | 2.1% |
| Land as percent of area | 97.9% |
| Latitude & Longitude | 39.6225,-90.8863 |
| Named for | Zebulon Pike |
| Capital | Pittsfield |
| Establishment | January 01, 1821 |
| Time Zone | America/Chicago |
| Local time | 05:30:37 (23rd September 2026) |
| Density | 7 Pop. per km² as of 2020 |
| Population growth | -7.25% (2010-2020) |
Geography
Pike County is located at 39°37'21"N 90°53'11"W (39.6225000, -90.8862900). It has 4 neighbors: Adams County, Calhoun County, Marion County and Pike County.
Pike County map
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The largest city of Pike County is Barry with a population of 1,208. Other cities include and Griggsville population 1,125. See all Pike County cities & populated places.
Pike County Populated Places
Cities, towns, neighborhoods & other populated places in Pike County.
| City Name | Population | Title |
|---|---|---|
| New Salem | 5,337 | Township in Pike County, Illinois |
| Pittsfield | 4,165 | Township in Pike County, Illinois |
| Barry | 1,208 | City in Illinois, United States |
| Griggsville | 1,125 | City in Illinois |
| Independence | 1,044 | Township in Saline County, Illinois |
| Bedford | 1,021 | Township in Wayne County, Illinois |
Official website of Pike County
Official WebsiteDemographics
According to census records, the population of Pike County decreased by 7.25% in 10 years.
| Year | Population | % Change | Method |
|---|---|---|---|
| 2010 | 16,430 | - | census |
| 2011 | 16,348 | -0.5% | estimation process |
| 2012 | 16,234 | -0.7% | estimation process |
| 2013 | 16,071 | -1% | estimation process |
| 2014 | 15,956 | -0.72% | estimation process |
| 2015 | 15,795 | -1.01% | estimation process |
| 2016 | 15,742 | -0.34% | estimation process |
| 2017 | 15,668 | -0.47% | estimation process |
| 2018 | 15,595 | -0.47% | estimation process |
| 2019 | 15,561 | -0.22% | estimation process |
| 2020 | 15,239 | -2.07% | estimation process |
People born in Pike County (2)
People born in Pike County, including actor Art Mix, Asa C. Matthews, .
More notable people
Other places with the same name (9)
- Pike County, Kentucky county in Kentucky, United States. with a population of 57,057 people.
- Pike County, Pennsylvania county in Pennsylvania, United States. with a population of 56,072 people.
- Pike County, Mississippi county in Mississippi, United States. with a population of 38,997 people.
- Pike County, Alabama county in Alabama, United States. with a population of 32,966 people.
- Pike County, Ohio county in Ohio, United States. with a population of 27,695 people.
- Pike County, Georgia county in Georgia, United States. with a population of 19,121 people.
- Pike County, Missouri county in Missouri, United States. with a population of 17,552 people.
- Pike County, Indiana county in Indiana, United States. with a population of 12,378 people.
- Pike County, Arkansas county in Arkansas, United States. with a population of 10,643 people.
Illinois Other Counties (more counties)
| County Name | Population | Title |
|---|---|---|
| Cook County | 5,108,284 | County in Illinois, United States |
| Chicago | 2,677,643 | The third most populous city in the United States and the center of the Chicago metropolitan area. |
| DuPage County | 917,481 | County in Illinois, United States |
| Lake County | 693,593 | County in Oregon, United States |
| Will County | 688,726 | County in Illinois, United States |
| Kane County | 531,010 | County in southern Utah, United States |
| McHenry County | 305,888 | County in Illinois, United States |
| Winnebago County | 281,295 | County in Illinois, United States |
| Madison County | 262,635 | County in Montana, United States |
| Saint Clair County | 258,046 | The County of St. |
| Champaign County | 209,192 | County in Illinois, United States |
| Aurora | 196,383 | The second most populous city in Illinois. |
| Sangamon County | 193,882 | County in Illinois, United States |
| Peoria County | 177,652 | County in Illinois, United States of America |
| McLean County | 171,256 | County in North Dakota, United States |
| Naperville | 147,986 | The second most populous city in Illinois. |