Jefferson County, United States
Facts and figures on Jefferson County at a glance
Region name: Jefferson County (Jefferson County)Status: Adminstrative subregion
Population: 15,663 people
Region name (Level 1):
Country: United States
Continent: North America
The regional headquarters of Jefferson County (Jefferson County) is located in Fairfield (Fairfield) with a population of 9,892 people. The distance as the crow flies from Jefferson County's regional headquarters Fairfield to United States's capital Washington (Washington) is approximately 1,295 km (805 mi).
| Region | Population | Regional headquarters | Population |
| Jefferson County Jefferson County | 15,663 people | Fairfield Fairfield | 9,892 people |
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Map of Jefferson County
Information on Jefferson County
| Region name | Region name Level 1 | Country | Continent |
| Jefferson County Jefferson County | United States | North America |
Time in Jefferson County
| Current time | Summer time (DST) | Standard time | Current timezone offset | Timezone |
| Tue, 23 Apr 2024 - 1:02am (01:02h) | In effect (+1 hour) | Tue, 23 Apr 2024 - 12:02am (00:02h) | GMT UTC -5.0 | America/Chicago |
Geographic coordinates of Jefferson County
| Position | Latitude (width) | Longitude (length) |
| Show on map | 41°01'54.3"N (41.0317600°) | 91°56'56.0"W (-91.9488800°) |
Subregions in Jefferson County
There are 13 administrative subregions in Jefferson County.| Region | No | Population | Regional capital | Capital population |
| City of Fairfield City of Fairfield | 1. | 9,464 | - | - |
| Township of Black Hawk Township of Black Hawk | 2. | - | - | - |
| Township of Buchanan Township of Buchanan | 3. | - | - | - |
| Township of Cedar Township of Cedar | 4. | - | - | - |
| Township of Center Township of Center | 5. | - | - | - |
| Township of Des Moines Township of Des Moines | 6. | - | - | - |
| Township of Liberty Township of Liberty | 7. | - | - | - |
| Township of Lockridge Township of Lockridge | 8. | - | - | - |
| Township of Locust Grove Township of Locust Grove | 9. | - | - | - |
| Township of Penn Township of Penn | 10. | - | - | - |
| Township of Polk Township of Polk | 11. | - | - | - |
| Township of Round Prairie Township of Round Prairie | 12. | - | - | - |
| Township of Walnut Township of Walnut | 13. | - | - | - |