Question: What state is HInds County in where one of the oldest houses was built in 1839?
Context: Big Black River Railroad Bridge is a 465 ft concrete open-spandrel arch bridge over the Big Black River built in 1917 near Bovina, Mississippi.  It spans the river between Warren County and Hinds County; the nearest settlements are Bovina (in Warren) and Edwards, Mississippi (in HInds). This article attempts to list the oldest buildings in the state of Massachusetts in the United States of America, including the oldest houses in Massachusetts and any other surviving structures.  Some dates are approximate and based on architectural studies and historical records, other dates are based on dendrochronology.  Sites on the list are generally from the First Period of American architecture or earlier.  Only houses predominantly built prior to 1700 are suitable for inclusion on this list or the building must be the oldest of its type. The North State Street Historic District is a nationally designated historic district in Monticello, Piatt County, Illinois.  The residential district is centered on State Street north of downtown Monticello; it includes 77 buildings, 56 of which are considered contributing to its historic character.  The houses in the district represent the variety of architectural styles seen in Monticello from 1870 to 1948, the ages of the oldest and newest houses.  The oldest houses in the district are designed in the Gothic Revival and Queen Anne styles.  In the early 20th century, Monticello experienced an economic boom due to growth in agriculture and the local patent medicine industry; its newly wealthy residents built homes on State Street, which became known locally as "Millionaire's Row".  The majority of these new homes had Colonial Revival designs, as the style was nationally popular at the time; Colonial Revival is still the district's predominant architectural style.  Other designs featured in the district include Craftsman, Tudor Revival, and a Lustron house built in 1948.  The district also includes several vernacular house types, such as the I-house and the bungalow. Hinds Community College is a community college with its main campus located in Raymond, Mississippi, about five miles west of Jackson, the state capital.  The Hinds Community College District includes Hinds County, Claiborne County, part of Copiah County, Rankin County, and Warren County.  With an enrollment of over 12,000 students at six campuses, it is the largest community college in Mississippi. Raymond is a city in Hinds County, Mississippi, United States.  As of the 2010 census, the city population was 1,933.  Raymond is one of two county seats of Hinds County (along with Jackson) and is the home of the main campus of Hinds Community College. The Calder Houses in Cedar Rapids, Iowa, United States are historic houses that were built in 1868.  The two identical houses were built by Charles Calder who moved to Cedar Rapids from the state of New York in 1851.  He was involved in real estate and land speculation and at the time of his death in 1890 he held a significant amount of real estate in the city.  The houses are two-story front gable cottages.  The brick structures are built on stone foundations.  They are among the oldest houses in Cedar Rapids.  The houses were listed on the National Register of Historic Places in 1978. Hinds County is a county located in the U.S. state of Mississippi.  As of the 2010 census, the population was 245,285, making it the most populous county in Mississippi.  Its county seats are Raymond and Jackson, the state capital.  The county is named for General Thomas Hinds, a hero of the Battle of New Orleans during the War of 1812. Hinds County Agricultural High School or Hinds Agricultural High School (HAHS) was a public secondary school in Utica, Mississippi (USA).  It was located on the Utica campus of Hinds Community College until its 2014 closure.  Hinds County AHS was one of three independently functioning agricultural high schools in the state of Mississippi. Raymond High School is a public secondary school located in the town of Raymond, Mississippi (USA).  It is part of the Hinds County School District.  As of 2005, the school had met all federal requirements under the No Child Left Behind Act and received an achievement index rank of "3" (successful) from the state of Mississippi.  It is one of two regional high schools serving Hinds County. The Cedars (also Cedar Grove) is a private home in Clinton, Mississippi.  Built around 1839, it is listed on the National Register of Historic Places, and is one of the oldest extant houses in Hinds County.
Answer: Mississippi