Lincoln County, Idaho Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 37th-largest in Idaho
The population of Lincoln County, Idaho is 5,276 as of the 2023 American Community Survey, making it the 37th-largest county in Idaho. The median household income is $66,038, the median home value is $206,700, and the median age is 37.2.
The population of Lincoln County has grown 6.7% since 2010 (5,208 → 5,556), a +0.46% annualized rate.
5,276
Population
+0.46%
Annual growth
4
People / sq mi
$66,038
Median Income
$206,700
Median Home Value
Lincoln County covers 1,201 sq mi of land at 4.4 people per square mile.
About Lincoln County, ID
Educational attainment is the headline number in Lincoln County: 11.6% of adults 25 and older have a four-year degree. With 5,276 residents, Lincoln County is a county in Idaho. It ranks #37 among counties in Idaho by population.
Median household income is $66,038, below the US median of $78,538. Only 5.5% of residents live in poverty, below the national 12.4%. Median home value is $206,700, with typical rent around $860.
College credentials are comparatively rare here: just 11.6%, below the national 35.0%. Just 5.7% of workers are home-based, below the national 14.0%, and the average commute runs about 35 minutes each way.
Lincoln County Population History (2010-2024)
The county of Lincoln County had a population of 5,208 in 2010 and 5,556 in 2024, a 6.7% growth over 14 years. The peak was 5,556 in 2024. Average annual growth rate: 0.48%.
5,556
Population (2024)
5,208
Population (2010)
5,556
Peak (2024)
0.48%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 5,208 |
| 2011 | 5,135 |
| 2012 | 5,267 |
| 2013 | 5,333 |
| 2014 | 5,336 |
| 2015 | 5,312 |
| 2016 | 5,304 |
| 2017 | 5,361 |
| 2018 | 5,360 |
| 2019 | 5,325 |
| 2020 | 5,136 |
| 2021 | 5,289 |
| 2022 | 5,365 |
| 2023 | 5,444 |
| 2024 | 5,556 |
Race & Ethnicity
| White | 69.4% |
| Black or African American | 0.6% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 5.4% |
| Two or More Races | 0.0% |
Age & Sex
37.2
Median Age
47.7%
Female
52.3%
Male
15.5%
Age 65+
Age Distribution
Children (under 15): 21.7% · Seniors (65+): 15.5%
Income & Poverty
| Median household income | $66,038$-8,598 vs state |
| Mean household income | $76,232 |
| Per-capita income | $28,597 |
| Poverty rate | 5.5%-1.5% vs state |
| Unemployment rate | 3.8% |
| Employment-to-population | 63.0% |
Top Industries by Employment
The largest employment sector in Lincoln County is professional & business services, accounting for 16.3% of workers.
How residents commute
0.9%
Drive alone
2.3%
Carpool
77.4%
Public transit
5.7%
Work from home
34.9 min
Avg commute
Housing
$206,700$-169,300 vs state
Median home value
$860
Median rent
76.9%
Homeownership rate
1,973
Total housing units
93.1%
Occupied
6.9%
Vacant
23.1%
Renter-occupied
Social & access
84.5%
With health insurance
92.2%
With broadband internet
31.7%
Foreign-born
7.9%
Veterans (18+)
13.3%
With a disability
74.3%
Speak language other than English at home
Education
82.5%
High School+
11.6%
Bachelor's+
Largest cities in Idaho
Other counties in Idaho
Part of Idaho
Metro areas in Idaho
County rankings
Frequently Asked Questions
Lincoln County, Idaho has a population of 5,276 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 37th-largest county in Idaho. Population density is 4 people per square mile.
The population of Lincoln County has grown 6.7% since 2010 (5,208 → 5,556), a +0.46% annualized rate.
The median household income in Lincoln County, Idaho is $66,038, with mean (average) household income of $76,232 and per-capita income of $28,597. 5.5% of residents live below the federal poverty level.
In Lincoln County, the largest racial and ethnic groups are White (69.4%), Hispanic or Latino (5.4%), Black or African American (0.6%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Lincoln County, Idaho is 37.2 years. Residents are 47.7% female and 52.3% male.
The median home value in Lincoln County is $206,700 and median monthly rent is $860. 76.9% of occupied housing units are owner-occupied. The county has 1,973 total housing units, 6.9% of which are vacant.
The largest employment sector in Lincoln County, Idaho is professional, scientific, and management services, employing 16.3% of workers. The unemployment rate is 3.8%.
Boise City is among the largest cities associated with Lincoln County, Idaho, with a population of 235,701.
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Statewide data for Idaho
Population, race, income, age, and trends across Idaho
Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.