Hardin is a city in and the county seat

County seat

A county seat is an administrative center, or seat of government, for a county or civil parish. The term is primarily used in the United States....

 of Big Horn County

Big Horn County, Montana

- National protected areas :* Bighorn Canyon National Recreation Area * Little Bighorn Battlefield National Monument- Economy :Coal Mining and Agriculture both play major roles in Big Horn County’s economy...

, Montana

Montana

Montana is a state in the Western United States. The western third of Montana contains numerous mountain ranges. Smaller, "island ranges" are found in the central third of the state, for a total of 77 named ranges of the Rocky Mountains. This geographical fact is reflected in the state's name,...

, United States

United States

The United States of America is a federal constitutional republic comprising fifty states and a federal district...

. The population was 3,384 at the 2000 census.
Hardin is located at 45°43′55"N 107°36′45"W (45.731824, -107.612542).

According to the United States Census Bureau

United States Census Bureau

The United States Census Bureau is the government agency that is responsible for the United States Census. It also gathers other national demographic and economic data...

, the city has a total area of 1.4 square miles (3.6 km²), all of it land.
As of the census

Census

A census is the procedure of systematically acquiring and recording information about the members of a given population. It is a regularly occurring and official count of a particular population. The term is used mostly in connection with national population and housing censuses; other common...

of 2000, there were 3,384 people, 1,295 households, and 868 families residing in the city. The population density

Population density

Population density is a measurement of population per unit area or unit volume. It is frequently applied to living organisms, and particularly to humans...

 was 2,415.5 people per square mile (933.3/km²).