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
Lincoln County is a county in Idaho with a population of 5,276. It ranks #37 among counties in Idaho by population. The median age is 37.2, younger than the national median. The population is 52.3% male and 47.7% female.
The median household income in Lincoln County is $66,038, below the US median of $74,580. 5.5% of residents live below the federal poverty level. Home values sit at a median of $206,700, with monthly rent averaging $860. The homeownership rate of 76.9% is higher than the national rate of 64.8%.
Educational attainment in Lincoln County reflects 11.6% of adults 25 and older holding a bachelor's degree or higher, below the national average of 34.3%. Roughly 5.7% of workers primarily work from home, below the national work-from-home rate of 14.2%. The average commute is 34.9 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.