State Centers of Population 1880-2020: Iowa
State Centers of Population 1880-2020: Iowa
| Year | North Latitude | West Longitude |
|---|---|---|
| 18801 | 41° 51′ 40″ | 92° 56′ 53″ |
| 18901 | 41° 56′ 02″ | 92° 58′ 43″ |
| 19001 | 41° 55′ 45″ | 93° 15′ 11″ |
| 19101 | 41° 57′ 43″ | 93° 15′ 18″ |
| 19201 | 41° 58′ 45″ | 93° 17′ 43″ |
| 19302 | 41° 59′ 22″ | 93° 18′ 21″ |
| 19402 | 42° 00′ 08″ | 93° 16′ 40″ |
| 19503 | 41° 59′ 46″ | 93° 12′ 44″ |
| 19603 | 41° 59′ 33″ | 93° 07′ 58″ |
| 19703 | 41° 59′ 46″ | 93° 05′ 14″ |
| 19804 | 41° 59′ 10″ | 93° 03′ 30″ |
| 19905 | 41° 58′ 18″ | 93° 03′ 16″ |
| 20006 | 41° 57′ 37″ | 93° 02′ 57″ |
| 20106 | 41° 56′ 46″ | 93° 02′ 12″ |
| 20206 | 41° 56' 12" | 93° 02' 14" |
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
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