County · code 08115
Sedgwick CountyColorado
Sedgwick County is in Colorado, with its county seat in Julesburg. The county was formed on April 9, 1889, and named after Fort Sedgwick.
- Founded1889
- County seatJulesburg
- Named forFort Sedgwick, Colorado
- Land area548 sq mi + 1.4 sq mi water
- Population2,404 2020 Census
- Parcels mapped3,149 checked 15 October 2026
Where it is
Sedgwick on the map of Colorado
Colorado has 64 counties and county equivalents, each with its own records office. Shapes with a page are links.
History
Formed in 1889 from Logan County
An old deed may name a county that no longer exists, or a boundary that has since moved.
Sedgwick County was created from Logan County on April 9, 1889.
- 1889Sedgwick County created Sedgwick created from Logan. · Colo. Laws 1889, 7th sess., H.B. 148, pp. 340-343
Land and parcels
What the maps cover in Sedgwick
Who publishes each layer, how good it is, and when we last checked.
-
Parcels Good enough
Lot lines and tax-map numbers for 3,149 parcels from Sedgwick County. Drawn for tax purposes: usually within a few feet of a survey, but not a survey.
checked 15 October 2026 -
Address points Missing
No public address points layer found for Sedgwick County yet.
-
Buildings Reference
Roof outlines traced from aerial imagery from FEMA Response Geospatial Office with Oak Ridge National Laboratory (ORNL). Good for seeing what is on a lot; not accurate enough to set a fence from.
checked 18 October 2026
- Official
- from the office that keeps the record
- Good enough
- a reliable statewide or national copy
- Fallback
- a guide only; check the official record
- Missing
- nothing public found yet
People and land
Sedgwick by the Census
Source: US Census Bureau, 2020 Census; US Census Bureau, 2020 Gazetteer Files. Not endorsed or certified by the Census Bureau.
Rules and offices
Sedgwick County's official site
We have found the county's site but not its offices yet; start there.
County government
- County government
The official website of Sedgwick County.
See your own lot on these maps
Open Sedgwick County on Parcel Chart's free map and click your parcel. Save it with a free account; the full record of your place (site map, projects, documents) is Pro, in early access.
Questions
Common questions about Sedgwick County
- When was Sedgwick County founded?
- Sedgwick County was founded in 1889, formed from Logan County, and named after Fort Sedgwick, Colorado.
- What is the county seat of Sedgwick County?
- The county seat of Sedgwick County is Julesburg.
- Is there an online parcel map for Sedgwick County?
- Yes. Sedgwick County publishes a parcel map of 3,149 parcels, rated good enough here. You can click any parcel on it in Parcel Chart's free map, no sign-in needed.
- Has Sedgwick County's boundary or name changed?
- Sedgwick County was created in 1889 from Logan County. The Atlas of Historical County Boundaries records no boundary change since.
- Is my lot in a flood zone?
- We do not have flood maps for Sedgwick County yet. Look up the address on FEMA's Flood Map Service Center, which shows the effective flood map for any lot.
Nearby