| Zip Code : | 75426 |
| City : | Clarksville city |
| County : | Red River County |
| State : | Texas (TX) |
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| Land Area : | 326.91 sq mi |
| Water Area : | 4.76 sq mi |
| Latitude : | 33.6630635 |
| Longitude : | -94.9972577 |
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| Population (2010): | 5,301 |
| Population Estimate (2012) : | 4,576 |
| Population Density : | 16.22/sq mi |
| Housing Units (2012) : | 2,846 |
| Median Household Income (2012) : | $24,000 (Texas : $51,563, USA : $53,046) |
| Median Family Income (2012) : | $37,955 (Texas : $60,621, USA : $64,585) |
| Median House Price (2012) : | $55,700 (Texas : $128,000, USA : $181,400) |