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County · code 08085

Montrose CountyColorado

Montrose County is a county in Colorado with its seat in Montrose, formed in 1883.

  • Founded1883
  • County seatMontrose
  • Named forMontrose, Colorado
  • Land area2,241 sq mi + 1.9 sq mi water
  • Population42,679 2020 Census
  • Parcels mapped29,196 checked 16 October 2026
Open the free map Click any parcel in Montrose County: acreage, parcel id, address and who publishes the map. No sign-in.

Updated

San MiguelOurayDeltaMesaGunnisonGrand, UTSan Juan, UT Montrose Census outline · seat marked

Where it is

Montrose 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 CountyGunnison CountyHinsdale CountyHuerfano CountyJackson CountyJefferson CountyKiowa CountyKit Carson CountyLake CountyLa Plata CountyLarimer CountyLas Animas CountyLincoln CountyLogan CountyMesa CountyMineral CountyMoffat CountyMontezuma CountyMorgan CountyOtero CountyOuray CountyPark CountyPhillips CountyPitkin CountyProwers CountyPueblo CountyRio Blanco CountyRio Grande CountyRoutt CountySaguache CountySan Juan CountySan Miguel CountySedgwick CountySummit CountyTeller CountyWashington CountyWeld CountyYuma CountyMontrose County Montrose
Counties of Colorado · Montrose highlighted

History

Formed in 1883 from Gunnison County

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

Montrose County was created from Gunnison County on February 11, 1883. In 1883, the county lost territory to the creation of the extinct Uncompahgre County while gaining land from Gunnison County. In 1913, Montrose exchanged territory with Ouray County when the boundary was adjusted to follow public land survey lines.

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

  1. 1883
    Montrose County created Montrose created from Gunnison.
    from Gunnison
    · Colo. Laws 1883, 4th sess., pp. 136-139
  2. 1883
    Lost territory Montrose lost to creation of Uncompahgre (extinct) and gained from Gunnison.
    to Uncompahgreto Gunnison
    · Colo. Laws 1883, 4th sess., pp. 139-142
  3. 1913
    Exchanged territory Montrose exchanged with Ouray when the boundary was placed on public land survey lines.
    with Ouray
    · Colo. Laws 1913, 19th sess., ch. 46, pp. 140-141

Land and parcels

What the maps cover in Montrose

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

Montrose by the Census

Population
42,679 2020 Census count
Housing units
18,952 2020 Census count
Land area
2,241 square miles
Water area
1.9 square miles
People per sq mi
19 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

Zoning and code

County government

See your own lot on these maps

Open Montrose 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 Montrose County

When was Montrose County founded?
Montrose County was founded in 1883, formed from Gunnison County, and named after Montrose, Colorado.
What is the county seat of Montrose County?
The county seat of Montrose County is Montrose.
Is there an online parcel map for Montrose County?
Yes. Montrose County publishes a parcel map of 29,196 parcels, rated good enough here. You can click any parcel on it in Parcel Chart's free map, no sign-in needed.
Has Montrose County's boundary or name changed?
Montrose County was created in 1883 from Gunnison County. Since then the Atlas of Historical County Boundaries records 2 later changes, chiefly involving Gunnison County, Ouray County and Uncompahgre County.
Who issues building permits in Montrose County?
The county's page on building permits: Permits, Fees, Programs. Inside a city or town, ask that city first.
Who issues septic and well permits in Montrose County?
The county's page on septic systems and wells: Public Health.
Is my lot in a flood zone?
We do not have flood maps for Montrose 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