| Year | North Latitude | West Longitude |
|---|---|---|
| 18801 | 34° 55′ 41″ | 92° 30′ 25″ |
| 18901 | 34° 57′ 35″ | 92° 29′ 41″ |
| 19001 | 34° 56′ 18″ | 92° 28′ 27″ |
| 19101 | 34° 55′ 16″ | 92° 25′ 08″ |
| 19201 | 34° 55′ 14″ | 92° 20′ 48″ |
| 19302 | 34° 54′ 05″ | 92° 21′ 05″ |
| 19402 | 34° 57′ 32″ | 92° 26′ 10″ |
| 19503 | 34° 54′ 54″ | 92° 13′ 43″ |
| 19603 | 34° 52′ 19″ | 92° 10′ 48″ |
| 19703 | 34° 54′ 52″ | 92° 21′ 05″ |
| 19804 | 34° 58′ 18″ | 92° 26′ 03″ |
| 19905 | 35° 00′ 40″ | 92° 29′ 15″ |
| 20006 | 35° 04′ 49″ | 92° 34′ 37″ |
| 20106 | 35° 08′ 33″ | 92° 39′ 19″ |
| 20206 | 35° 11' 57" | 92° 42' 48" |
1 Source: U.S. Department of Commerce, Bureau of the Census, Fourteenth Census of the United States, 1923
2 Source: U.S. Census Bureau, recomputation for historical county level data which relied upon aggregate county level population data with an estimated county centroid resulting in a possible error of up to one mile.
3 Source: U.S. Department of Commerce, Bureau of the Census, Centers of Population for States and Counties, 1974
4 Source: U.S. Census Bureau, Geography Division, recomputation from archived national block group/enumeration area data resulting in a possible error of up to 1,000 feet.
5 Source: U.S. Census Bureau, Geography Division, recomputation from archived national block group data resulting in a possible error of up to 1,000 feet.
6 Source: U.S. Census Bureau, computation from national block-level data