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County · code 08113

San Miguel CountyColorado

San Miguel County is a county in southwestern Colorado with its seat in Telluride. The county was formed on March 2, 1883, when Ouray County was renamed San Miguel and Uncompahgre County was renamed Ouray.

  • Founded1883
  • County seatTelluride
  • Named forSan Miguel River, Colorado
  • Land area1,287 sq mi + 2 sq mi water
  • Population8,072 2020 Census
  • Parcels mapped10,765 checked 15 October 2026
Open the free map Click any parcel in San Miguel County: acreage, parcel id, address and who publishes the map. No sign-in.

Updated

DoloresMontroseOuraySan JuanSan Juan, UT Telluride Census outline · seat marked

Where it is

San Miguel 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 CountyMontrose CountyMorgan CountyOtero CountyOuray CountyPark CountyPhillips CountyPitkin CountyProwers CountyPueblo CountyRio Blanco CountyRio Grande CountyRoutt CountySaguache CountySan Juan CountySedgwick CountySummit CountyTeller CountyWashington CountyWeld CountyYuma CountySan Miguel County San Miguel
Counties of Colorado · San Miguel highlighted

History

Formed in 1883 from Ouray County and Uncompahgre County

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

San Miguel County was named after the San Miguel River. In 1917 and 1923, San Miguel exchanged boundary land with Ouray and Dolores counties, with corrections to boundary descriptions made in subsequent years.

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

  1. 1883
    San Miguel County created San Miguel created when Ouray was renamed San Miguel, and Uncompahgre (extinct) was renamed Ouray.
    from Ourayfrom Uncompahgre
    · Colo. Laws 1883, 4th sess., sec. 1/p. 123
  2. 1917
    Exchanged territory San Miguel exchanged with Ouray when part of the boundary was placed on public land survey lines. Mistake in description corrected 16 March 1984.
    with Ouray
    · Colo. Laws 1917, 21st sess., ch. 38, pp. 118-119
  3. 1923
    Exchanged territory San Miguel exchanged with Dolores. Mistake in description corrected 9 April 1927.
    with Dolores
    · Colo. Laws 1923, 24th sess., ch. 90, pp. 245-246
  4. 1927
    Boundary clarified Boundary between San Miguel and Dolores was redefined to correct mistake of 2 March 1923 (no change).
    with Doloresno change
    · Colo. Laws 1927, 26th sess., ch. 82, pp. 278-279
  5. 1984
    Boundary clarified Boundary between San Miguel and Ouray was redefined to correct mistake of 17 April 1917 (no change).
    with Ourayno change
    · Colo. Laws 1984, 54th sess., ch. 230, pp. 816-817

Land and parcels

What the maps cover in San Miguel

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

San Miguel by the Census

Population
8,072 2020 Census count
Housing units
6,551 2020 Census count
Land area
1,287 square miles
Water area
2 square miles
People per sq mi
6 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

GIS and maps

County government

See your own lot on these maps

Open San Miguel 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 San Miguel County

When was San Miguel County founded?
San Miguel County was founded in 1883, formed from Ouray County and Uncompahgre County, and named after San Miguel River, Colorado.
What is the county seat of San Miguel County?
The county seat of San Miguel County is Telluride.
Is there an online parcel map for San Miguel County?
Yes. San Miguel County publishes a parcel map of 10,765 parcels, rated good enough here. You can click any parcel on it in Parcel Chart's free map, no sign-in needed.
Has San Miguel County's boundary or name changed?
San Miguel County was created in 1883 from Ouray County and Uncompahgre County. Since then the Atlas of Historical County Boundaries records 2 later changes, chiefly involving Dolores County and Ouray County.
Who issues building permits in San Miguel County?
The county's page on building permits: Permits. Inside a city or town, ask that city first.
Who issues septic and well permits in San Miguel County?
The county's page on septic systems and wells: Department of Public Health.
Is my lot in a flood zone?
We do not have flood maps for San Miguel 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