When was Utah County founded?

Utah County was founded in 1850, and named after Ute.

What is the county seat of Utah County?

The county seat of Utah County is Provo.

Is there an online parcel map for Utah County?

Yes. Utah Geospatial Resource Center (UGRC), State of Utah publishes a parcel map of 285,522 parcels, rated good enough here. You can click any parcel on it in Parcel Chart's free map, no sign-in needed.

Has Utah County's boundary or name changed?

Utah County was created in 1850. Since then the Atlas of Historical County Boundaries records 7 later changes, chiefly involving Cedar County, Sanpete County and Wasatch County.

Who issues building permits in Utah County?

The county's page on building permits: Building Permit. Inside a city or town, ask that city first.

Is my lot in a flood zone?

We do not have flood maps for Utah County yet. Look up the address on FEMA's Flood Map Service Center, which shows the effective flood map for any lot.

County · code 49049

Utah CountyUtah

Utah County is a county in Utah, with Provo as its seat, created in 1850.

Founded1850
County seatProvo
Named forUte
Land area2,004 sq mi + 140 sq mi water
Population659,399 2020 Census
Parcels mapped285,522 checked 16 October 2026

Open the free map Click any parcel in Utah County: acreage, parcel id, address and who publishes the map. No sign-in.

Updated 20 October 2026

Census outline · seat marked

History

Founded in 1850

An old deed may name a county that no longer exists, or a boundary that has since moved.

Utah County was formed in 1850, and named after Ute. Provo is the county seat.

Boundary changes from the Newberry Library, Atlas of Historical County Boundaries; the 5 that matter most are shown first.

1850
Utah County created Utah created by the state of Deseret to cover the Utah Valley. 31 January 1850 · Morgan, 47-48, 144
1851
Eliminated The state of Deseret was dissolved by its General Assembly, upon recommendation of Brigham Young. State of Deseret counties, including Utah, continued to operate. 5 April 1851 · Brown, Cannon, and Jackson, 90; Powell, 139
1854
Lost territory Utah lost to Green River (Utah Territory, extinct); Utah eliminated from present Colorado.
to Green River
13 January 1854 · Utah Terr. Laws 1853, 3d sess., pp. 14-15
1856
Lost territory Utah lost to creation of Cedar (Utah Territory, extinct).
to Cedar
5 January 1856 · Utah Terr. Laws 1855, 5th sess., sec. 8/p. 7
1896
Became part of Utah Utah became a county in the state of Utah. 4 January 1896 · U.S. Stat., vol. 28, ch. 138 [1894]/pp. 107-112; U.S. Stat., vol. 29, procl. no. 9, [1896]/pp. 876-877; Van Zandt, 159

Show all 11 changes (6 more)

1850
Utah County created Utah created by the state of Deseret to cover the Utah Valley. 31 January 1850 · Morgan, 47-48, 144
1851
Eliminated The state of Deseret was dissolved by its General Assembly, upon recommendation of Brigham Young. State of Deseret counties, including Utah, continued to operate. 5 April 1851 · Brown, Cannon, and Jackson, 90; Powell, 139
1852
Boundary clarified Utah boundaries redefined by Utah Territory. Utah gained non-county area; exchanged with Great Salt Lake (now Salt Lake); lost to Juab and Sanpete; Utah included parts of present Utah and Colorado.
with Great Salt Lake with Salt Lake with Juabwith Sanpeteno change
3 March 1852 · Utah Terr. Laws 1851, 1st sess., sec. 7/p. 163
1854
Lost territory Utah lost to Green River (Utah Territory, extinct); Utah eliminated from present Colorado.
to Green River
13 January 1854 · Utah Terr. Laws 1853, 3d sess., pp. 14-15
1856
Lost territory Utah lost to creation of Cedar (Utah Territory, extinct).
to Cedar
5 January 1856 · Utah Terr. Laws 1855, 5th sess., sec. 8/p. 7
1862
Gained territory Utah gained from Cedar (Utah Territory, extinct) and Juab; exchanged with Great Salt Lake (now Salt Lake) and Sanpete; and lost to creation of Wasatch.
from Cedar from Juab from Great Salt Lake from Salt Lakefrom Sanpetefrom Wasatch
17 January 1862 · Utah Terr. Laws 1861, 11th sess., sec. 7/p. 48
1866
Boundary clarified Utah boundaries were redefined (no change).
no change
10 January 1866 · Utah Terr. Laws 1865, 15th sess., ch. 146, sec. 10/p. 208
1869
Boundary clarified Eastern boundary of Utah was clarified (no change).
no change
28 January 1869 · Utah Terr. Laws 1869, 18th sess., ch. 1/p. 1
1880
Gained territory Utah gained from Sanpete.
from Sanpete
18 February 1880 · Utah Terr. Laws 1880, 24th sess., ch. 16/pp. 18-19
1884
Gained territory Utah gained from Wasatch.
from Wasatch
13 March 1884 · Utah Terr. Laws 1884, 26th sess., ch. 39, p. 57
1896
Became part of Utah Utah became a county in the state of Utah. 4 January 1896 · U.S. Stat., vol. 28, ch. 138 [1894]/pp. 107-112; U.S. Stat., vol. 29, procl. no. 9, [1896]/pp. 876-877; Van Zandt, 159

Land and parcels

What the maps cover in Utah

Who publishes each layer, how good it is, and when we last checked.

Parcels Good enough

Lot lines and tax-map numbers for 285,522 parcels from Utah Geospatial Resource Center (UGRC), State of Utah. Drawn for tax purposes: usually within a few feet of a survey, but not a survey.
edited 1 October 2026 · checked 16 October 2026
Address points Missing

No public address points layer found for Utah 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

Utah by the Census

Population

659,399 2020 Census count

Housing units

192,570 2020 Census count

Land area

2,004 square miles

Water area

140 square miles

People per sq mi

329 population ÷ land area

Source: US Census Bureau, 2020 Census; US Census Bureau, 2020 Gazetteer Files. Not endorsed or certified by the Census Bureau.

Rules and offices

Who to ask before you build, dig or sell

Official county pages only. We link to them; we do not copy them, because they change.

Inside a city or town, permits usually come from that city rather than the county.

Records

Assessor and property recordsfrom utahcounty.gov · checked 13 October 2026
Clerk of court: deeds and platsfrom utahcounty.gov · checked 13 October 2026

Permits

Building Permitfrom codev.utahcounty.gov
Event Permitsfrom publicworks.utahcounty.gov

Zoning and code

Planning and zoningfrom utahcounty.gov · checked 13 October 2026
County Land Use Ordinancefrom utahcounty.municipalcodeonline.com
planning and zoningfrom codev.utahcounty.gov

County government

County government
The official website of Utah County.
utahcounty.gov

See your own lot on these maps

Open Utah 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.

Open the free map no sign-in Pro early access

Questions

Common questions about Utah County

When was Utah County founded?: Utah County was founded in 1850, and named after Ute.
What is the county seat of Utah County?: The county seat of Utah County is Provo.
Is there an online parcel map for Utah County?: Yes. Utah Geospatial Resource Center (UGRC), State of Utah publishes a parcel map of 285,522 parcels, rated good enough here. You can click any parcel on it in Parcel Chart's free map, no sign-in needed.
Has Utah County's boundary or name changed?: Utah County was created in 1850. Since then the Atlas of Historical County Boundaries records 7 later changes, chiefly involving Cedar County, Sanpete County and Wasatch County.
Who issues building permits in Utah County?: The county's page on building permits: Building Permit. Inside a city or town, ask that city first.
Is my lot in a flood zone?: We do not have flood maps for Utah County yet. Look up the address on FEMA's Flood Map Service Center, which shows the effective flood map for any lot.

Nearby