Grand County, Colorado Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 32nd-largest in Colorado
The population of Grand County, Colorado is 15,794 as of the 2023 American Community Survey, making it the 32nd-largest county in Colorado. The median household income is $84,558, the median home value is $507,200, and the median age is 45.5.
The population of Grand County has grown 9.2% since 2010 (14,795 → 16,154), a +0.63% annualized rate.
15,794
Population
+0.63%
Annual growth
9
People / sq mi
$84,558
Median Income
$507,200
Median Home Value
Grand County covers 1,846 sq mi of land at 8.6 people per square mile.
About Grand County, CO
The poverty rate is what most separates Grand County from the typical county: 2.2% of residents live below the federal poverty line, against 12.4% nationally. With 15,794 residents, Grand County is a county in Colorado. It ranks #32 among counties in Colorado by population.
Median household income is $84,558, above the US median of $78,538. Poverty is among the lowest of comparable US counties, at 2.2% — below the national 12.4%. Housing is expensive: the median home is worth $507,200, with typical rent around $1,451.
Grand County is among the best-educated US counties: 41.8% of adults 25 and older hold a bachelor’s degree, above the national 35.0%. Remote work is widespread — 21.7% of workers stay home, above the national 14.0%, and the average commute runs about 23 minutes each way.
Grand County Population History (2010-2024)
The county of Grand County had a population of 14,795 in 2010 and 16,154 in 2024, a 9.2% growth over 14 years. The peak was 16,154 in 2024. Average annual growth rate: 0.64%.
16,154
Population (2024)
14,795
Population (2010)
16,154
Peak (2024)
0.64%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 14,795 |
| 2011 | 14,564 |
| 2012 | 14,227 |
| 2013 | 14,320 |
| 2014 | 14,569 |
| 2015 | 14,742 |
| 2016 | 15,198 |
| 2017 | 15,385 |
| 2018 | 15,556 |
| 2019 | 15,748 |
| 2020 | 15,747 |
| 2021 | 15,854 |
| 2022 | 15,748 |
| 2023 | 15,971 |
| 2024 | 16,154 |
Race & Ethnicity
| White | 81.2% |
| Black or African American | 0.4% |
| Asian | 0.1% |
| Hispanic or Latino (any race) | 2.9% |
| Two or More Races | 0.0% |
Age & Sex
45.5
Median Age
48.8%
Female
51.2%
Male
20.0%
Age 65+
Age Distribution
Children (under 15): 13.4% · Seniors (65+): 20.0%
Income & Poverty
| Median household income | $84,558$-7,912 vs state |
| Mean household income | $110,584 |
| Per-capita income | $49,770 |
| Poverty rate | 2.2%-3.7% vs state |
| Unemployment rate | 3.1% |
| Employment-to-population | 66.2% |
Top Industries by Employment
The largest employment sector in Grand County is professional & business services, accounting for 16.9% of workers.
How residents commute
2.5%
Drive alone
6.0%
Carpool
61.3%
Public transit
21.7%
Work from home
22.7 min
Avg commute
Housing
$507,200+$5,000 vs state
Median home value
$1,451
Median rent
76.4%
Homeownership rate
17,037
Total housing units
37.9%
Occupied
62.1%
Vacant
23.6%
Renter-occupied
Social & access
86.8%
With health insurance
95.5%
With broadband internet
55.9%
Foreign-born
7.5%
Veterans (18+)
7.6%
With a disability
93.7%
Speak language other than English at home
Education
94.4%
High School+
41.8%
Bachelor's+
Largest cities in Colorado
Other counties in Colorado
Part of Colorado
Metro areas in Colorado
County rankings
Frequently Asked Questions
Grand County, Colorado has a population of 15,794 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 32nd-largest county in Colorado. Population density is 9 people per square mile.
The population of Grand County has grown 9.2% since 2010 (14,795 → 16,154), a +0.63% annualized rate.
The median household income in Grand County, Colorado is $84,558, with mean (average) household income of $110,584 and per-capita income of $49,770. 2.2% of residents live below the federal poverty level.
In Grand County, the largest racial and ethnic groups are White (81.2%), Hispanic or Latino (2.9%), Black or African American (0.4%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Grand County, Colorado is 45.5 years. Residents are 48.8% female and 51.2% male.
The median home value in Grand County is $507,200 and median monthly rent is $1,451. 76.4% of occupied housing units are owner-occupied. The county has 17,037 total housing units, 62.1% of which are vacant.
The largest employment sector in Grand County, Colorado is professional, scientific, and management services, employing 16.9% of workers. The unemployment rate is 3.1%.
Denver is among the largest cities associated with Grand County, Colorado, with a population of 713,734.
Grand County, CO Climate
Grand County, CO has an average annual temperature of 2.1°C (36°F) and receives about 528 mm of precipitation per year. The warmest month is July and the coldest is January. Figures are 1970–2000 climate normals.
2.1°C
Avg Temp
528
Precip (mm/yr)
Jul
Hottest Month
Jan
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | -8° / 18° | 44 mm |
| February | -7° / 20° | 39 mm |
| March | -4° / 25° | 47 mm |
| April | 0° / 32° | 48 mm |
| May | 5° / 42° | 47 mm |
| June | 10° / 51° | 43 mm |
| July | 13° / 56° | 49 mm |
| August | 13° / 55° | 49 mm |
| September | 9° / 48° | 42 mm |
| October | 4° / 38° | 34 mm |
| November | -3° / 26° | 42 mm |
| December | -7° / 19° | 44 mm |
1970–2000 normals from WorldClim 2.1 (~9 km grid). Precipitation can be less precise near mountains or coastlines, where rainfall varies sharply over short distances.
Best time to visit Grand County, CO
The most comfortable months to visit Grand County, CO are typically July, August and June, when temperatures are mildest and rainfall is relatively low. The hottest month is July (around 22°C high). The coldest is January (near -14°C low). July is usually the wettest month.
Where to stay near Grand County
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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.