Welcome to Sullivan County ...
Time Zone: Sullivan County lies in the Central Time Zone (CST/CDT) and observes daylight saving time.
The community of Milan is the Seat for Sullivan County.
Sullivan County was founded in 1843 and was created by taking area from Linn County.
From the Census Estimates for 2019, <1> Sullivan had a population of 6,061 people. This is a decrease of 9.73% since the last Census (which gave a population of 6,714 people in 2010).
At the time of the 2010 Census, Sullivan represented 0.11% of the total population of Missouri.
Below are some of the communities located in Sullivan County:
- Green City
(10 miles [16.1 km] to the east)
- Note: The GPS coordinates that we are using for Green City have been provided by the GNIS.<2> The coordinates still need to be verified.
- Jump to our Gazetteer entry for Green City
- Green City is located in Sullivan County (MO)
- Population from the 2020 Census: 582 people
- Greencastle
(13 miles [20.9 km] to the east)
- Harris
(13 miles [20.9 km] to the northwest)
- Note: The GPS coordinates that we are using for Harris have been provided by the GNIS.<2> The coordinates still need to be verified.
- Jump to our Gazetteer entry for Harris
- Harris is located in Sullivan County (MO)
- Population from the 2020 Census: 55 people
- Jump to TripAdvisor's Tourism page for Harris <3>
- Humphreys
(11 miles [17.7 km] to the southwest)
- Jump to our Gazetteer entry for Humphreys
- Humphreys is located in Sullivan County (MO)
- Population from the 2020 Census: 107 people
- Milan
(Less than 2 miles to the southeast)
- Jump to our Gazetteer entry for Milan
- Milan is located in Sullivan County (MO)
- Population from the 2020 Census: 1,764 people
- Jump to TripAdvisor's Tourism page for Milan <3>
- Newtown
(15 miles [24.1 km] to the northwest)
- Note: The GPS coordinates that we are using for Newtown have been provided by the GNIS.<2> The coordinates still need to be verified.
- Jump to our Gazetteer entry for Newtown
- Newtown is located in Sullivan County (MO)
- Population from the 2020 Census: 163 people
- Jump to TripAdvisor's Tourism page for Newtown <3>
- Osgood
(11 miles [17.7 km] to the west)
- Note: The GPS coordinates that we are using for Osgood have been provided by the GNIS.<2> The coordinates still need to be verified.
- Jump to our Gazetteer entry for Osgood
- Osgood is located in Sullivan County (MO)
- Population from the 2020 Census: 42 people
- Pollock
(10 miles [16.1 km] to the north)
- Note: The GPS coordinates that we are using for Pollock have been provided by the GNIS.<2> The coordinates still need to be verified.
- Jump to our Gazetteer entry for Pollock
- Pollock is located in Sullivan County (MO)
- Population from the 2020 Census: 79 people
Websites of Interest ...
- Websites specific to Missouri
- Websites specific to Sullivan County
- Websites for nearby counties
- Adair County
- Grundy County
- Linn County
- Macon County
- Mercer County
- Putnam County
- Cemetery Information and Directories
Footnotes ...
| <1> | On a yearly basis, the US Census Bureau creates an estimate of the county's population. Keep in mind that this is an estimate and not an actual count. The last physical count was the 2010 Census and the next count will be for the 2020 Census. |
| <2> | The location has been supplied by the Geographic Names Information System - which is maintained by the U.S. Geological Survey (USGS). While these values should be definitive, we found that accuracy can vary and you should double-check the location if accuracy is required. |
| <3> | While we're fans and frequent users of TripAdvisor, you should know that we're also members of the TripAdvisor affiliate program. |