County · code 53021
Franklin CountyWashington
Franklin County is a county in Washington state, with its seat in Pasco. It was formed in 1883 from Whitman County and named after Benjamin Franklin.
- Founded1883
- County seatPasco
- Named forBenjamin Franklin
- Land area1,242 sq mi + 23 sq mi water
- Population96,749 2020 Census
- Parcels mapped34,531 checked 15 October 2026
Where it is
Franklin on the map of Washington
Washington has 39 counties and county equivalents, each with its own records office. Shapes with a page are links.
History
Formed in 1883 from Whitman County
An old deed may name a county that no longer exists, or a boundary that has since moved.
Franklin County was created by Washington Territory from Whitman County on November 28, 1883. When Washington became a state on November 11, 1889, Franklin County continued as a county of the new state.
- 1883Franklin County created Franklin created by Washington Territory from Whitman. · Wash. Terr. Laws 1883, 9th biennial sess., pp. 87-88
- 1889Became part of Washington Franklin continued as a Washington county when the state of Washington admitted to the Union and Washington Territory eliminated. · U.S. Stat., vol. 25, ch. 180[1889], p. 676; U.S. Stat. pres. proc., vol. 26[1889], p. 10; Van Zandt, 155-156
Land and parcels
What the maps cover in Franklin
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 34,531 parcels. Drawn for tax purposes: usually within a few feet of a survey, but not a survey.
edited 24 September 2026 · checked 15 October 2026 -
Address points Missing
No public address points layer found for Franklin 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
Franklin 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
Franklin 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 Franklin County.
See your own lot on these maps
Open Franklin 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 Franklin County
- When was Franklin County founded?
- Franklin County was founded in 1883, formed from Whitman County, and named after Benjamin Franklin.
- What is the county seat of Franklin County?
- The county seat of Franklin County is Pasco.
- Is there an online parcel map for Franklin County?
- Yes. A public source publishes a parcel map of 34,531 parcels, rated good enough here. You can click any parcel on it in Parcel Chart's free map, no sign-in needed.
- Has Franklin County's boundary or name changed?
- Franklin County was created in 1883 from Whitman County. Since then the Atlas of Historical County Boundaries records 1 later change.
- Is my lot in a flood zone?
- We do not have flood maps for Franklin County yet. Look up the address on FEMA's Flood Map Service Center, which shows the effective flood map for any lot.
Nearby