Cities and Towns in Posey County, Indiana

Founded on Nov 11, 1814, Posey County is one of 92 counties in the state of Indiana. Historically, Posey County was formed from Gibson County and Warrick County. The city of Mount Vernon is the county seat. With FIPS code of 129, Posey County has a population of 25,116 and area of 410 square miles (1,062 km²).

List of all cities in Posey County, IN alphabetically

City/Town	Postal Code	Area Code
Blairsville, IN	47638	812
Bugtown, IN	47633	812
Cynthiana, IN	47612	812
Griffin, IN	47616	812
Mount Vernon, IN	47620	812
New Harmony, IN	47631	812
Parkers Settlement, IN	47638	812
Poseyville, IN	47633	812
Solitude, IN	47620	812
Stewartsville, IN	47633	812
Wadesville, IN	47638	812

Major Cities and Towns in Posey County, Indiana

Mount Vernon, Indiana

Overview and History

Mount Vernon is the county seat and largest city in Posey County, located in the southwestern corner of Indiana along the Ohio River. Established in 1816 and named after George Washington’s home, Mount Vernon developed into an important river town, benefiting from its strategic location on the river for trade and transportation. The city grew rapidly in the 19th century as a hub for river commerce and agriculture, particularly in grain and tobacco. Today, Mount Vernon serves as both a regional center for agriculture and a home to industry, particularly with large companies like SABIC Innovative Plastics and other chemical manufacturers operating in the area. Its riverfront remains a key part of the local economy, hosting barge traffic and serving as a connection to the larger Ohio Valley.

Major Schools and Landmarks

Mount Vernon is served by the Metropolitan School District of Mount Vernon, which includes Mount Vernon Senior High School. Key landmarks in the city include the Posey County Courthouse, an elegant structure built in 1876, and Sherburne Park, a popular recreational area along the Ohio River. The city’s riverfront park hosts community events, including the annual River Days Festival, which celebrates Mount Vernon’s river heritage with food, music, and festivities. Other important attractions include Hovey Lake Fish & Wildlife Area, offering outdoor activities such as fishing, hunting, and birdwatching.

Area, Population, and Coordinates

• Area: 2.86 square miles
• Population: Approximately 6,383 (2020 census)
• Zip Codes: 47620
• Latitude: 37.9334° N
• Longitude: 87.8967° W

New Harmony, Indiana

Overview and History

New Harmony, located in the northern part of Posey County along the Wabash River, is a small town with a rich history. Founded in 1814 by the Harmony Society, a group of German immigrants led by George Rapp, New Harmony was initially established as a utopian community. In 1825, the town was sold to social reformer Robert Owen, who attempted to create a new model of cooperative living and intellectual enlightenment. Although the utopian experiments ultimately failed, New Harmony became known as a center for education, science, and the arts. Today, the town is a historic site and a destination for visitors interested in its unique cultural heritage.

Major Schools and Landmarks

New Harmony is part of the Metropolitan School District of North Posey, with students attending North Posey High School in nearby Poseyville. The town is renowned for its historic landmarks, including the Harmonist Labyrinth, the Atheneum (a visitor center designed by renowned architect Richard Meier), and several preserved 19th-century buildings from its utopian days. New Harmony’s numerous parks and gardens, such as Tillich Park and Cathedral Labyrinth, offer peaceful retreats for visitors and residents. The town also hosts cultural events and workshops, furthering its legacy as a place for intellectual and artistic exploration.

Area, Population, and Coordinates

• Area: 0.64 square miles
• Population: Approximately 748 (2020 census)
• Zip Codes: 47631
• Latitude: 38.1295° N
• Longitude: 87.9361° W

Poseyville, Indiana

Overview and History

Poseyville is a small town located in the northern part of Posey County, about 25 miles northwest of Evansville. Established in 1840 and originally called Palestine, the town’s name was later changed to Poseyville in 1843 to honor General Thomas Posey, a former governor of the Indiana Territory. Poseyville developed as an agricultural town, with much of its early economy centered around farming and grain milling. Today, Poseyville remains a quiet, rural community with a strong agricultural base and a close-knit population.

Major Schools and Landmarks

Poseyville is part of the Metropolitan School District of North Posey, with students attending North Posey High School. Notable landmarks in Poseyville include the Poseyville Carnegie Public Library, a historic library building constructed in 1915 with funding from philanthropist Andrew Carnegie. The town is also home to the annual Posey County Fair, which celebrates the county’s agricultural heritage with livestock shows, carnival rides, and other family-friendly activities. Poseyville’s town park offers recreational facilities for residents, including playgrounds and sports fields, making it a central hub for local community events.

Area, Population, and Coordinates

• Area: 0.62 square miles
• Population: Approximately 1,045 (2020 census)
• Zip Codes: 47633
• Latitude: 38.1701° N
• Longitude: 87.7836° W

Cynthiana, Indiana

Overview and History

Cynthiana is a small town located in the northeastern part of Posey County. Founded in 1817, Cynthiana was named after Cynthiana, Kentucky, the hometown of an early settler. The town developed as a small agricultural community, primarily supported by local farms and businesses. Over the years, Cynthiana has retained its rural character and remains a peaceful, close-knit community. Although small, Cynthiana is known for its friendly atmosphere and its connection to the agricultural heritage of Posey County.

Major Schools and Landmarks

Cynthiana is served by the Metropolitan School District of North Posey, with students attending nearby schools such as North Posey High School. Notable landmarks in the town include several historic homes and the Cynthiana Community Center, which hosts local events and serves as a gathering place for residents. The town also has a rich tradition of community festivals, including an annual fall festival that features parades, food, and entertainment. Additionally, the town’s location near Hovey Lake Fish & Wildlife Area offers opportunities for outdoor activities such as fishing and wildlife observation.

Area, Population, and Coordinates

• Area: 0.35 square miles
• Population: Approximately 530 (2020 census)
• Zip Codes: 47612
• Latitude: 38.1925° N
• Longitude: 87.7053° W

Griffin, Indiana

Overview and History

Griffin is a small town located in the northern part of Posey County, near the Gibson County border. Established in 1881, Griffin developed as a railroad town, thanks to its proximity to major rail lines that connected it to larger cities in the region. The town was named after Samuel Griffin, an early settler who played a key role in its founding. Griffin’s history is marked by resilience, as the town was devastated by the Tri-State Tornado of 1925, one of the deadliest tornadoes in U.S. history. Despite this tragedy, Griffin was rebuilt and continues to thrive as a small, rural community.

Major Schools and Landmarks

Griffin is part of the Metropolitan School District of North Posey, with students attending schools in nearby Poseyville. While Griffin is a small town, it boasts several notable landmarks, including the Griffin Community Building, which serves as a gathering place for local events and meetings. The town also has several historic homes that reflect its early development as a railroad town. Griffin’s location near the Wabash River and other natural areas provides opportunities for outdoor recreation, including fishing and hiking.

Area, Population, and Coordinates

• Area: 0.13 square miles
• Population: Approximately 172 (2020 census)
• Zip Codes: 47616
• Latitude: 38.2025° N
• Longitude: 87.9161° W