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County · code 08051

Gunnison CountyColorado

Gunnison County is a county in Colorado, with its seat in Gunnison. It was created on March 9, 1877, and named after John Williams Gunnison.

  • Founded1877
  • County seatGunnison
  • Named forJohn Williams Gunnison
  • Land area3,239 sq mi + 20 sq mi water
  • Population16,918 2020 Census
  • Parcels mapped21,291 checked 16 October 2026
Open the free map Click any parcel in Gunnison County: acreage, parcel id, address and who publishes the map. No sign-in.

Updated

PitkinChaffeeDeltaHinsdaleOuraySaguacheMontroseMesa Gunnison Census outline · seat marked

Where it is

Gunnison on the map of Colorado

Colorado has 64 counties and county equivalents, each with its own records office. Shapes with a page are links.

Adams CountyAlamosa CountyArapahoe CountyArchuleta CountyBaca CountyBent CountyBoulder CountyBroomfield CountyChaffee CountyCheyenne CountyClear Creek CountyConejos CountyCostilla CountyCrowley CountyCuster CountyDelta CountyDenver CountyDolores CountyDouglas CountyEagle CountyElbert CountyEl Paso CountyFremont CountyGarfield CountyGilpin CountyGrand CountyHinsdale CountyHuerfano CountyJackson CountyJefferson CountyKiowa CountyKit Carson CountyLake CountyLa Plata CountyLarimer CountyLas Animas CountyLincoln CountyLogan CountyMesa CountyMineral CountyMoffat CountyMontezuma CountyMontrose CountyMorgan CountyOtero CountyOuray CountyPark CountyPhillips CountyPitkin CountyProwers CountyPueblo CountyRio Blanco CountyRio Grande CountyRoutt CountySaguache CountySan Juan CountySan Miguel CountySedgwick CountySummit CountyTeller CountyWashington CountyWeld CountyYuma CountyGunnison County Gunnison
Counties of Colorado · Gunnison highlighted

History

Formed in 1877 from Lake County

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

Gunnison County was formed in 1877 from Lake County, and named after John Williams Gunnison. Gunnison is the county seat.

Deeds and plats from before 1877 for land now in Gunnison County may have been recorded in Lake County.

Boundary changes from the Newberry Library, Atlas of Historical County Boundaries.

  1. 1877
    Gunnison County created Gunnison created from Lake; Gunnison not fully organized, attached to Lake "for senatorial, representative and judicial purposes."
    from Lake
    · Colo. Laws 1876, 1st sess., ch. 21, par. 411, 418/pp. 213-216
  2. 1877
    Changed Gunnison fully organized, detached from Lake.
    Lake
    · Hall, 4:147
  3. 1881
    Lost territory Gunnison lost to creation of Pitkin.
    to Pitkin
    · Colo. Laws 1881, 3d sess., pp. 89-92
  4. 1883
    Lost territory Gunnison lost to creation of Delta and Montrose.
    to Deltato Montrose
    · Colo. Laws 1883, 4th sess., pp. 124-127, 136-139
  5. 1883
    Lost territory Gunnison lost to creation of Mesa.
    to Mesa
    · Colo. Laws 1883, 4th sess., pp. 133-136
  6. 1883
    Lost territory Gunnison lost to Montrose and lost to creation of Uncompahgre (extinct).
    to Montroseto Uncompahgre
    · Colo. Laws 1883, 4th sess., pp. 139-142
  7. 1907
    Changed Legislature authorized Pitkin to gain from Gunnison, dependent on local referendum; change did not take effect.
    Pitkin
    · Colo. Laws 1907, 16th sess., ch. 143, pp. 317-318

Land and parcels

What the maps cover in Gunnison

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

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

Gunnison by the Census

Population
16,918 2020 Census count
Housing units
12,131 2020 Census count
Land area
3,239 square miles
Water area
20 square miles
People per sq mi
5 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

Permits

GIS and maps

County government

See your own lot on these maps

Open Gunnison 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.

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Questions

Common questions about Gunnison County

When was Gunnison County founded?
Gunnison County was founded in 1877, formed from Lake County, and named after John Williams Gunnison.
What is the county seat of Gunnison County?
The county seat of Gunnison County is Gunnison.
Is there an online parcel map for Gunnison County?
Yes. A public source publishes a parcel map of 21,291 parcels, rated good enough here. You can click any parcel on it in Parcel Chart's free map, no sign-in needed.
Has Gunnison County's boundary or name changed?
Gunnison County was created in 1877 from Lake County. Since then the Atlas of Historical County Boundaries records 6 later changes, chiefly involving Montrose County, Pitkin County and Delta County.
Who issues septic and well permits in Gunnison County?
The county's page on septic systems and wells: Health & Human Services.
Is my lot in a flood zone?
We do not have flood maps for Gunnison County yet. Look up the address on FEMA's Flood Map Service Center, which shows the effective flood map for any lot.

Nearby

Counties next door