San Miguel County, Colorado Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 40th-largest in Colorado
The population of San Miguel County, Colorado is 8,026 as of the 2023 American Community Survey, making it the 40th-largest county in Colorado. The median household income is $80,117, the median home value is $613,100, and the median age is 42.7.
The population of San Miguel County has grown 6.3% since 2010 (7,358 → 7,819), a +0.44% annualized rate.
8,026
Population
+0.44%
Annual growth
6
People / sq mi
$80,117
Median Income
$613,100
Median Home Value
San Miguel County covers 1,287 sq mi of land at 6.2 people per square mile.
About San Miguel County, CO
San Miguel County is defined demographically by education — 65.2% of adults hold a bachelor’s degree, above the national average. With 8,026 residents, San Miguel County is a county in Colorado. It ranks #40 among counties in Colorado by population.
Median household income is $80,117, near the US median of $78,538. Very few residents live in poverty — 3.2%, below the national 12.4%. Housing is expensive: the median home is worth $613,100, with typical rent around $1,173.
San Miguel County is among the best-educated US counties: 65.2% of adults 25 and older hold a bachelor’s degree, above the national 35.0%. Working from home is common here: 18.1% of workers do so, above the national 14.0%, and the average commute runs about 16 minutes each way.
The education numbers are the throughline: a college-heavy population in San Miguel County usually coincides with higher incomes and a workforce concentrated in professional and information industries.
San Miguel County Population History (2010-2024)
The county of San Miguel County had a population of 7,358 in 2010 and 7,819 in 2024, a 6.3% growth over 14 years. The peak was 8,195 in 2018. Average annual growth rate: 0.44%.
7,819
Population (2024)
7,358
Population (2010)
8,195
Peak (2018)
0.44%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 7,358 |
| 2011 | 7,491 |
| 2012 | 7,588 |
| 2013 | 7,632 |
| 2014 | 7,751 |
| 2015 | 7,850 |
| 2016 | 8,032 |
| 2017 | 8,049 |
| 2018 | 8,195 |
| 2019 | 8,169 |
| 2020 | 8,054 |
| 2021 | 8,082 |
| 2022 | 8,011 |
| 2023 | 7,874 |
| 2024 | 7,819 |
Race & Ethnicity
| White | 89.6% |
| Black or African American | 0.7% |
| Asian | 0.5% |
| Hispanic or Latino (any race) | 2.4% |
| Two or More Races | 0.0% |
Age & Sex
42.7
Median Age
42.8%
Female
57.2%
Male
17.4%
Age 65+
Age Distribution
Children (under 15): 12.6% · Seniors (65+): 17.4%
Income & Poverty
| Median household income | $80,117$-12,353 vs state |
| Mean household income | $131,344 |
| Per-capita income | $64,164 |
| Poverty rate | 3.2%-2.7% vs state |
| Unemployment rate | 3.0% |
| Employment-to-population | 69.7% |
Top Industries by Employment
The largest employment sector in San Miguel County is education & health care, accounting for 18.7% of workers.
How residents commute
0.9%
Drive alone
23.2%
Carpool
44.2%
Public transit
18.1%
Work from home
16.4 min
Avg commute
Housing
$613,100+$110,900 vs state
Median home value
$1,173
Median rent
65.2%
Homeownership rate
6,606
Total housing units
60.5%
Occupied
39.5%
Vacant
34.8%
Renter-occupied
Social & access
89.2%
With health insurance
95.3%
With broadband internet
66.1%
Foreign-born
5.5%
Veterans (18+)
6.0%
With a disability
85.1%
Speak language other than English at home
Education
98.3%
High School+
65.2%
Bachelor's+
Largest cities in Colorado
Other counties in Colorado
Part of Colorado
Metro areas in Colorado
County rankings
Frequently Asked Questions
San Miguel County, Colorado has a population of 8,026 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 40th-largest county in Colorado. Population density is 6 people per square mile.
The population of San Miguel County has grown 6.3% since 2010 (7,358 → 7,819), a +0.44% annualized rate.
The median household income in San Miguel County, Colorado is $80,117, with mean (average) household income of $131,344 and per-capita income of $64,164. 3.2% of residents live below the federal poverty level.
In San Miguel County, the largest racial and ethnic groups are White (89.6%), Hispanic or Latino (2.4%), Black or African American (0.7%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in San Miguel County, Colorado is 42.7 years. Residents are 42.8% female and 57.2% male.
The median home value in San Miguel County is $613,100 and median monthly rent is $1,173. 65.2% of occupied housing units are owner-occupied. The county has 6,606 total housing units, 39.5% of which are vacant.
The largest employment sector in San Miguel County, Colorado is education, health care, and social assistance, employing 18.7% of workers. The unemployment rate is 3.0%.
Denver is among the largest cities associated with San Miguel County, Colorado, with a population of 713,734.
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Statewide data for Colorado
Population, race, income, age, and trends across Colorado
Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.