County · code 08121
Washington CountyColorado
Washington County is a county in Colorado with its seat in Akron. It was created in 1887 from Weld County and named after George Washington.
- Founded1887
- County seatAkron
- Named forGeorge Washington
- Land area2,518 sq mi + 5.9 sq mi water
- Population4,817 2020 Census
- Parcels mapped6,505 checked 16 October 2026
Where it is
Washington 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 1887 from Weld County
An old deed may name a county that no longer exists, or a boundary that has since moved.
Washington County was created from Weld County on February 9, 1887. On March 15, 1889, it lost land to the creation of Yuma County. On May 12, 1903, it gained land from Adams County.
- 1887Washington County created Washington created from Weld. · Colo. Laws 1887, 6th sess., pp. 251-254
- 1889Lost territory Washington lost to creation of Yuma. · Colo. Laws 1889, 7th sess., H.B. 90, pp. 476-479
- 1903Gained territory Washington gained from Adams. · Colo. Laws 1903, 14th sess., ch. 81, pp. 169-172; Colo. Laws 1901, 13th sess., ch. 57, sec. 14/p. 137
Land and parcels
What the maps cover in Washington
Who publishes each layer, how good it is, and when we last checked.
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Parcels Good enough
Lot lines and tax-map numbers for 6,505 parcels. Drawn for tax purposes: usually within a few feet of a survey, but not a survey.
checked 16 October 2026 -
Address points Missing
No public address points layer found for Washington County yet.
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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
Washington 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
Washington 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 Washington County.
See your own lot on these maps
Open Washington 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 Washington County
- When was Washington County founded?
- Washington County was founded in 1887, formed from Weld County, and named after George Washington.
- What is the county seat of Washington County?
- The county seat of Washington County is Akron.
- Is there an online parcel map for Washington County?
- Yes. A public source publishes a parcel map of 6,505 parcels, rated good enough here. You can click any parcel on it in Parcel Chart's free map, no sign-in needed.
- Has Washington County's boundary or name changed?
- Washington County was created in 1887 from Weld County. Since then the Atlas of Historical County Boundaries records 2 later changes, chiefly involving Adams County and Yuma County.
- Is my lot in a flood zone?
- We do not have flood maps for Washington County yet. Look up the address on FEMA's Flood Map Service Center, which shows the effective flood map for any lot.
Nearby