Bremer County is a county in Iowa, United States, in the northeastern part of the state, part of the Waterloo–Cedar Falls metropolitan area. It had a population of 24,988 at the 2020 census and covers 439 square miles (1,140 km2) centred near 42°46′27″N 92°19′01″W.<\/p>\n
Waverly is the county seat, and its postal code is 50677. The county has eight incorporated cities, eight unincorporated communities, and 14 civil townships. Bremer County observes Central Time.<\/p>\n
Bremer County has eight incorporated cities — every one of them legally a “city” under Iowa law regardless of size — plus eight recognised unincorporated communities. The table below lists all 16 by type, home township, and 2020 census population where the place is a separate census entity; unincorporated communities marked “Unincorp.” have no independent census count.<\/p>\n
| Place<\/th>\n | Type<\/th>\n | Township<\/th>\n | Pop.<\/th>\n | ZIP<\/th>\n<\/tr>\n<\/thead>\n |
|---|---|---|---|---|
| Waverly<\/td>\n | City · seat<\/td>\n | Warren<\/td>\n | 10,394<\/td>\n | 50677<\/td>\n<\/tr>\n |
| Denver<\/td>\n | City<\/td>\n | Douglas<\/td>\n | —<\/td>\n | 50622<\/td>\n<\/tr>\n |
| Sumner<\/td>\n | City<\/td>\n | Sumner No. 2<\/td>\n | —<\/td>\n | 50674<\/td>\n<\/tr>\n |
| Tripoli<\/td>\n | City<\/td>\n | Le Roy<\/td>\n | —<\/td>\n | 50676<\/td>\n<\/tr>\n |
| Janesville<\/td>\n | City<\/td>\n | Jefferson<\/td>\n | —<\/td>\n | 50647<\/td>\n<\/tr>\n |
| Readlyn<\/td>\n | City<\/td>\n | Franklin<\/td>\n | —<\/td>\n | 50668<\/td>\n<\/tr>\n |
| Plainfield<\/td>\n | City<\/td>\n | Polk<\/td>\n | —<\/td>\n | 50666<\/td>\n<\/tr>\n |
| Frederika<\/td>\n | City<\/td>\n | Frederika<\/td>\n | —<\/td>\n | 50631<\/td>\n<\/tr>\n |
| Artesian<\/td>\n | Unincorp.<\/td>\n | Fremont<\/td>\n | —<\/td>\n | —<\/td>\n<\/tr>\n |
| Bremer<\/td>\n | Unincorp.<\/td>\n | Jackson<\/td>\n | —<\/td>\n | —<\/td>\n<\/tr>\n |
| Buck Creek<\/td>\n | Unincorp.<\/td>\n | Lafayette<\/td>\n | —<\/td>\n | —<\/td>\n<\/tr>\n |
| Horton<\/td>\n | Unincorp.<\/td>\n | Dayton<\/td>\n | —<\/td>\n | —<\/td>\n<\/tr>\n |
| Klinger<\/td>\n | Unincorp.<\/td>\n | Maxfield<\/td>\n | —<\/td>\n | —<\/td>\n<\/tr>\n |
| Siegel<\/td>\n | Unincorp.<\/td>\n | Washington<\/td>\n | —<\/td>\n | —<\/td>\n<\/tr>\n |
| Wapsie<\/td>\n | Unincorp.<\/td>\n | Douglas<\/td>\n | —<\/td>\n | —<\/td>\n<\/tr>\n |
| Waverly Junction<\/td>\n | Unincorp.<\/td>\n | Warren<\/td>\n | —<\/td>\n | —<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n The old page also listed “Highway Three MH Park,” “Knittel,” “Miner,” “Old Tripoli,” and “Spring Fountain MH Park” as separate places; these are small mobile-home parks or historic sites without independent recognition in current gazetteer or Census Bureau records, so they are omitted here rather than published unverified.<\/p>\n Townships<\/h2>\nBremer County is divided into 14 civil townships. The 2020 census did not publish standalone population figures at the township level for Bremer County, so those columns read — below; the “Main settlements” column is filled in only where a township clearly hosts the city or community sharing its name.<\/p>\n \n |