Larimer County, Colorado Demographics
Population trends, housing costs, income, commuting, and health, all on one page.
Larimer County, CO Population Density Map and Area Scores
Area Score
Health, income and education, each graded from F to A+. Explore interactive maps for deeper analysis.
-
A
Health Above averageHealthier than 90% of counties in Colorado
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B
Income Around average
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A
Education Above averageBetter educated than 81% of counties in Colorado
Source: Map AI Methodology
Population: density and quick facts
| Metric | Larimer County | Colorado Avg | U.S. Average |
|---|---|---|---|
| Population | 367,243 | 5,842,429 | 337,468,954 |
| Population density (per sq mi) | 139.5 | 56.1 | 86.4 |
| Population growth (%/yr) | 1.53% | 1.09% | 0.59% |
| Median age | 38.1 | 35.2 | 37.3 |
| Households | 154,215 | 2,364,171 | 130,235,071 |
Population in Larimer County grew by 28.0% from 2009 to 2024, reaching 367,243 in 2024.
Population Growth 2009–2024
Race & Ethnicity
Age & Sex
The largest generation in Larimer County is Gen Z, aged 13–28, at 27.2% of residents. That is 4.6 points above Colorado as a whole.
- Gen Z 13–28 99,769 27.2% +4.6 pts
- Millennials 29–44 78,681 21.4% -2.8 pts
- Gen X 45–60 69,002 18.8% -1.0 pts
- Boomers 61–79 58,589 16.0% +0.7 pts
Residents by birth cohort, from the 2025 age distribution. The right-hand figure is how far each cohort's share sits above or below Colorado, in percentage points. Children younger than Gen Z and the generations before the Boomers are counted in the population but not shown here, so these shares do not add up to 100%.
Male and female share
Women are 50.0% of the people living in Larimer County and men 50.0%.
- Women 50.0% Colorado 49.4%
- Men 50.0% Colorado 50.6%
How many residents match a customer profile?
Residents matching this profile
100% of everyone living in Larimer County
Pick an age range and a women/men split and the figure above answers with how many residents that profile reaches.
Economy
Larimer County has a the economy index of B, which means it is quite prosperous.
| Metric | Larimer County | Colorado Avg | U.S. Average |
|---|---|---|---|
| Median household income | $93,803 | $95,803 | $80,455 |
| Income growth (%/yr) | 5.25% | 5.41% | 4.80% |
| Unemployment rate | 4.7% | 4.6% | 5.2% |
The median household income in Larimer County is about 2% lower than in Colorado.
Housing
| Metric | Larimer County | Colorado Avg | U.S. Average |
|---|---|---|---|
| Median home price | $530,686 | $484,034 | $248,835 |
| Median rent | $1,715 | $1,761 | $1,407 |
| Homeownership rate | 64.0% | 66.2% | 65.2% |
The median home price in Larimer County is about 25.8 years' worth of rent — buying at the median price costs roughly as much as paying the median rent of $1,715 per month for that long.
Commute Time & Mobility
Commuters in Larimer County spend about 38 minutes on the road round trip each working day. Over a typical 250-day work year, that adds up to roughly 158 hours, about 6.6 full days, spent commuting.
| Metric | Larimer County | Colorado Avg | U.S. Average |
|---|---|---|---|
| One-way commute (min) | 19.0 | 22.0 | 22.4 |
| Round-trip commute (min) | 38.0 | 44.1 | 44.8 |
| Yearly time spent (hours) | 158 | 184 | 187 |
| Estimated yearly cost | $4,904 | $5,694 | $5,790 |
| Work from home | 21.4% | 21.0% | 15.0% |
| Highway traffic (vehicles/day) | 9,282 | 8,183 | 8,813 |
| Local road traffic (vehicles/day) | 1,586 | 1,277 | 1,355 |
Fastest commutes among counties in
Colorado:
Hinsdale County (6.6 min), Prowers County (7.6 min), Cheyenne County (7.7 min).
Slowest:
Park County (42.5 min), Elbert County (41.5 min), Teller County (31.3 min).
The average commute time in Larimer County is 19 minutes, shorter than the 22 minutes in Colorado.
Estimated yearly cost applies a single national wage rule of thumb (U.S. Bureau of Labor Statistics average hourly earnings), not a measurement of wages in this area. Traffic volume figures come from proprietary Ticon and TrafficZoom data.
Education & Households
Larimer County has a education index of A, which means it is very educated.
| Metric | Larimer County | Colorado Avg | U.S. Average |
|---|---|---|---|
| Bachelor's degree or higher | 44.9% | 40.3% | 31.6% |
| Average household size | 2.31 | 2.42 | 2.53 |
Highest education index among counties in
Colorado:
Boulder County (0.5), Douglas County (0.4), Broomfield County (0.4).
Lowest:
Crowley County (0.2), Bent County (0.2), Lincoln County (0.2).
Health
Larimer County has a health index of A, which means it is very healthy.
| Metric | Larimer County | Colorado Avg | U.S. Average |
|---|---|---|---|
| Life expectancy (years) | 80.4 | 80.0 | 78.3 |
| Self-rated poor health | 9.6% | 13.2% | 16.3% |
| Smokers | 13.1% | 16.1% | 19.0% |
Highest health index among counties in
Colorado:
Douglas County (0.9), Boulder County (0.8), Broomfield County (0.8).
Lowest:
Costilla County (0.8), Otero County (0.8), Bent County (0.8).
Larimer County, CO Compared With Nearby Counties
How Larimer County, CO compares with the 2 counties closest to it.
| Area | Population | Median household income | Median home price | Commute |
|---|---|---|---|---|
| Larimer County, CO | 367,243 | $93,803 #3/3 | $530,686 #3/3 | 19.0 min #2/3 |
| Boulder County, CO | 328,961 | $104,963 | $602,884 | 18.7 min |
| Broomfield County, CO | 76,305 | $123,906 | $685,833 | 22.9 min |
Frequently Asked Questions
Common questions about Larimer County, Colorado.
How big is Larimer County, Colorado by population?
About 367,243 people live in Larimer County, Colorado, in 154,215 households of 2.3 people on average. The median age is 38.1, close to the U.S. median of 37.3.
Is Larimer County, Colorado urban or rural?
Averaged over its land area, Larimer County, Colorado has 140 people per square mile, a density typical of a mix of suburbs, small towns and farmland. That is about 1.6 times the U.S. average of 86.
How affordable is housing in Larimer County, Colorado?
The median home costs 5.7 times the median household income ($530,686 against $93,803), compared with 3.1 times nationally. A ratio of about 3 is traditionally considered affordable. Median rent of $1,715 a month takes about 22% of the median household's income, below the 30% level at which HUD considers renters cost-burdened.
What share of adults in Larimer County, Colorado have a college degree?
44.9% of adults in Larimer County, Colorado hold a bachelor's degree or higher (about 1 in 2), well above the U.S. share of 31.6%.
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