Blaine County, ID demographics:
population, income, and more

Total population
24,951
1.5% year-over-year change
Median household income
$92,566/yr
9.6% year-over-year change
Housing units
15,989
1.4% year-over-year change

Blaine County population

How many people live in Blaine County

Blaine County is home to 24,951 residents, according to the most recent Census data. Gender-wise, 51.7% of Blaine County locals are male, and 48.3% are female.

Total population
24,951
1.5% year-over-year change
Gender ratio
Male
51.7%
12,890
Female
48.3%
12,061
Value Percent YoY change
Male 12,890 51.7% -0.2%
Female 12,061 48.3% 3.5%
A higher population often means more rental variety and livelier areas. The gender balance—how many men live here compared to women—can reveal a lot about the community and the lifestyles of its residents. Use this info to get a sense of the area's pace and personality.

Age demographics

The median age in Blaine County is 46, with the population distributed as follows: about 15% are children under 15, then 12% are in the 15 to 24 age group. Adults between 25 and 44 make up 22.2% of the population, while another 28.1% fall into the 45 to 64 bracket. Finally, around 22.7% are 65 or older.

Median age
45.6
Age breakdown
Under 15
15%
15 to 24
12%
25 to 44
22.2%
45 to 64
28.1%
Over 65
22.7%
Value Percent YoY change
Under 15 3,751 15% -2.0%
15 to 24 2,987 12% 5.7%
25 to 44 5,537 22.2% 1.7%
45 to 64 7,011 28.1% -1.4%
Over 65 5,665 22.7% 5.6%
The age composition helps you get insight into who lives in the area. A younger population might mean a more active, fast-paced vibe, while an older one could suggest a quieter, slower lifestyle. If there's a balanced makeup, you’re likely to find a variety of services, housing types, and community spaces that cater to different life stages.

Racial makeup

In Blaine County, 84.5% of the population are US-born citizens, while 7.8% have gained naturalized citizenship. At the same time, 7.8% of residents are non-citizens. As for race, 77.7% of locals are Caucasian, 0.4% are African American and 0.6% have Asian roots. There’s also a share of 8.9% that includes residents with two or more races.

Citizenship
U.S.-born citizens
84.5%
Non-U.S.-born citizens
7.8%
Non-citizens
7.8%
Value Percent YoY change
U.S.-born citizens 21,076 84.5% 1.9%
Non-U.S.-born citizens 1,935 7.8% 23.6%
Non-citizens 1,940 7.8% -16.7%
Racial breakdown
White
77.7%
Black or African American
0.4%
American Indian and Alaska Native
1.3%
Asian
0.6%
Native Hawaiian and other Pacific Islander
0%
Two or more races
8.9%
Other
11.1%
Value Percent
White 19,398 77.7%
Black or African American 97 0.4%
American Indian and Alaska Native 332 1.3%
Asian 147 0.6%
Native Hawaiian and other Pacific Islander 1 0%
Two or more races 2,214 8.9%
Other 2,762 11.1%

Households in Blaine County

A peek inside Blaine County households

Blaine County has 10,413 households, with an average of 2 members in each. Of these, 63.1% are families, while the remaining 36.9% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
10,413
6.0% year-over-year change
Average people per household
2
Non-family households
3,846
Family households
6,567
Value Percent YoY change
Non-family households 3,846 36.9% 9.8%
Family households 6,567 63.1% 3.9%
The mix between family and non-family households gives a glimpse into daily life. A higher percentage of families might mean more parks and schools, while more non-family setups can mean flexible housing and diverse living styles. For renters, this can signal what kinds of homes are common and can help you figure out if the area matches your lifestyle.

Housing in Blaine County

The housing landscape of Blaine County

Blaine County's housing consists of 15,989 units, with 62.9% being detached single-family homes ideal for those wanting space. Attached options, including duplexes and townhouses, make up 5.4% and offer a more compact, shared living style. Then there are the multifamily buildings in the area, and for those seeking flexibility, non-traditional options like mobile homes account for 1.6% of the housing landscape.

Housing units
15,989
1.4% year-over-year change
Housing types
Value Percent
1 unit, detached 10,055 62.9%
1 unit, attached 857 5.4%
2 units 730 4.6%
3 or 4 units 1,550 9.7%
5 to 9 units 1,426 8.9%
10 to 19 units 690 4.3%
20 to 49 units 338 2.1%
50 or more units 79 0.5%
Mobile home 264 1.6%
Homes built since 2020
126
-3.8% year-over-year change

The age of buildings in Blaine County

In Blaine County, the median construction year is 1987. About 4.1% of homes were built before the 1940s, with another 3.2% going up by 1949. Most development happened in the second half of the 20th century. Then, 18.5% of homes were added from 2000 to 2009, 5.4% between 2010 and 2019, and 0.8% are part of the newest wave of development.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 651 4.1% 0.3%
Built between 1940 and 1949 514 3.2% -0.2%
Built between 1950 and 1959 336 2.1% 28.2%
Built between 1960 and 1969 921 5.8% 5.9%
Built between 1970 and 1979 3,652 22.8% 6.7%
Built between 1980 and 1989 2,712 17% -8.9%
Built between 1990 and 1999 3,268 20.4% -4.6%
Built between 2000 and 2009 2,954 18.5% 17.0%
Built between 2010 and 2019 855 5.4% -14.2%
Built in 2020 or later 126 0.8% -3.8%
As a renter, knowing when homes were built helps you understand the potential condition and design of rental units. Newer builds may have more contemporary layouts, while older homes can offer character or larger lots, depending on the area.

Blaine County occupancy rates

Out of the 10,413 occupied housing units in Blaine County, 73.5% are owner-occupied, while 26.5% are lived in by tenants. Meanwhile, 34.9% of all homes on the local market sit vacant.

Occupied housing units
10,413
6.0% year-over-year change
Occupancy breakdown
Renter occupied
2,755
Owner occupied
7,658
Value Percent YoY
change
Renter occupied 2,755 26.5% 14.4%
Owner occupied 7,658 73.5% 3.3%
Unoccupied housing units
34.9%
Unoccupied housing units refer to homes that are currently without residents—whether they're waiting for renters or owners, used seasonally, or simply unclaimed. A higher share of empty homes may mean more housing availability, while a low number can reflect a tighter market with more competition. This, along with the renter-vs.-owner mix, helps paint a clearer picture of what types of housing and services are likely to be available in the area.

Blaine County housing costs

Housing costs in Blaine County come to a median of $1,284 per month, while tenants specifically pay a median gross rent of $1,338.

Median housing costs per month
$1,284/month
This figure sums up typical monthly housing costs for all households in the area. If you own, it includes mortgage payments in addition to property taxes, insurance and HOA fees. If you rent, it accounts for rent plus extras like utilities. It’s useful for seeing how local living expenses stack up compared to other places.
Median gross rent in Blaine County
$1,338/month
Gross rent gives a more complete look at what renters actually pay, including not just base rent, but also utilities and fees. It’s a key number for evaluating rental affordability in your area of interest and understanding how it compares to nearby locations.

Education in Blaine County

Blaine County education at a glance

About 24.7% of the population in Blaine County went to high school, while 19.9% pursued college studies. Another 5.9% earned an associate degree and 32.4% hold a bachelor’s. Meanwhile, 11.9% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 1,040 5.2% 12.7%
High school diploma 4,981 24.7% -9.1%
College diploma 4,018 19.9% 1.0%
Associate degree 1,199 5.9% 34.4%
Bachelor's degree 6,528 32.4% 4.5%
Graduate degree 2,404 11.9% 6.9%
A community’s education mix can offer insights into the local economy and housing market. Higher levels of education often align with more job opportunities and stable incomes, which can increase demand for homes and influence both rent prices and rental availability.

Income in Blaine County

How much people earn in Blaine County

The average annual household income in Blaine County was $135,359 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a +11.5% change from the previous year. At the same time, the median income stood at $92,566, reflecting a +9.6% shift over the same period.

Average household income in Blaine County
$135,359/year
11.5% year-over-year change
Median household income in Blaine County
$92,566/year
9.6% year-over-year change

Blaine County income by age

In Blaine County, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $92,440. Those with someone between 45 and 64 in charge, often well established professionally, earn $95,361 overall. Younger households, where the main provider is under 25 and just starting out, report a median income of $39,408, while those led by someone over 65, many of whom may be retired, have about $87,318 in earnings. Overall, 93.3% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
Under 25 $39,408 1.8%
25 - 44 $92,440 2.7%
45 - 64 $95,361 11.0%
Over 65 $87,318 8.9%
Above poverty level
22,953
Below poverty level
1,644
Value Percent YoY
change
Above poverty level 22,953 93.3% 1.9%
Below poverty level 1,644 6.7% -9.7%

Employment in Blaine County

Workforce and job types in Blaine County

The job market in Blaine County is powered by 14,288 working residents, spread across a range of industries and roles. 78.3% of the working population are employed in professional or administrative positions, while 21.7% are in hands-on or service-based jobs. Also, 18.1% run their own businesses, 65.2% are employed by private companies, and 9.8% work in the public sector.

Workforce demographics

Working population
14,288
5.8% year-over-year change
White collar
11,187
Blue collar
3,101
Value Percent YoY change
White collar 11,187 78.3% 9.7%
Blue collar 3,101 21.7% -6.3%
Employer type
Self employees
18.1%
Private companies
65.2%
Governmental workers
9.8%
Not for profit companies
6.8%
Value Percent YoY change
Self employees 2,588 18.1% 4.3%
Private companies 9,314 65.2% 5.3%
Governmental workers 1,407 9.8% 4.2%
Not for profit companies 979 6.8% 17.9%
Unemployment rate
2.1%
-16.7% year-over-year change

Available workforce

The unemployment rate in Blaine County stands at 2.1%, representing the share of the workforce currently without a job and actively looking for one.

For renters, the unemployment rate helps paint a picture of job security and financial stability in the area. Rates around 4% to 5% are considered typical. A lower-than-average rate might suggest strong job prospects and a thriving local economy, while a higher rate could hint at fewer opportunities—both useful to consider when planning a move.

Transportation in Blaine County

How people get around in Blaine County

In Blaine County, the average commute time is 19 minutes. Commuting methods vary: 75.3% of residents travel by personal vehicle and 3.1% prefer to walk, while the remaining share relies on public transit or on two wheelers to get from A to B.

Commute time
19 min
5.7% year-over-year change
Means of transportation
Value Percent YoY change
Car 10,453 75.3% 2.5%
Bus or trolleybus 453 3.3% 230.7%
Motorcycle 97 0.7% -11.0%
Bicycle 318 2.3% -8.9%
Walk 436 3.1% 2.4%
Understanding how locals get to work can help you plan your own routine. High car usage might mean you’ll need a vehicle, while strong public transit or walkability could save you the hassle. Commute times also play a big role in quality of life—shorter trips can give you more time for the things you enjoy.

What is the median and average household income in Blaine County by zipcode?

Zipcode Population Number of households Median income Average income
83313 3,692 1,436 $74,575 $99,480
83320 1,600 415 $57,813 $70,996
83333 12,682 4,943 $99,704 $127,367
83340 5,325 2,821 $93,556 $159,124
83348 124 59 $0 $82,590
83353 1,450 685 $126,645 $221,010
83354 10 10 $0 $0

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FAQs about Blaine County demographics 

What is the total population of Blaine County?

Blaine County has a total population of 24,951 residents, according to the latest release from the U.S. Census Bureau: the 2019-2023 American Community Survey (ACS) 5-year estimates. This figure changed by +1.5% compared to a year ago.

What is the gender ratio in Blaine County?

The gender ratio in Blaine County is as follows:
  • 51.7% males (12,890 residents)
  • 48.3% females (12,061 residents)

What is the median age in Blaine County?

The median age in Blaine County is 45.6.

What is the age distribution of the population in Blaine County?

The age distribution in Blaine County is as follows:
  • Under 15: 15% (3,751 residents)
  • Ages 15-24: 12% (2,987 residents)
  • Ages 25-44: 22.2% (5,537 residents)
  • Ages 45-64: 28.1% (7,011 residents)
  • Over 65: 22.7% (5,665 residents)

What is the racial and ethnic makeup of Blaine County?

The racial and ethnic makeup of Blaine County is as follows:
  • White: 77.7% (19,398 residents)
  • Black or African American: 0.4% (97 residents)
  • American Indian and Alaska Native: 1.3% (332 residents)
  • Asian: 0.6% (147 residents)
  • Native Hawaiian and Other Pacific Islander: 0% (1 residents)
  • Two or More Races: 8.9% (2,214 residents)
  • Other: 11.1% (2,762 residents)

What percentage of the population in Blaine County are U.S.-born citizens?

U.S.-born citizens represent 84.5% of the population in Blaine County.

How many housing units are there in Blaine County?

There are 15,989 housing units in Blaine County, reflecting a +1.4% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

How many households are in Blaine County and what is the average household size?

Blaine County has a total of 10,413 households, with an average of 2 people in each.

What is the median household income in Blaine County?

Blaine County has a median household income of $92,566, representing a +9.6% shift from the previous year, according to the U.S. Census Bureau.

What is the employment rate and job market overview for Blaine County?

The employment rate is 97.9% in Blaine County, with a workforce of 14,288 residents. Here’s a detailed breakdown of the local job market:

Job types:
  • White-collar workers: 78.3% (11,187 residents)
  • Blue-collar workers: 21.7% (3,101 residents)

Places of employment:
  • Self-employed: 18.1% (2,588 residents)
  • Private companies: 65.2% (9,314 residents)
  • Governmental workers: 9.8% (1,407 residents)
  • Not-for-profit companies: 6.8% (979 residents)

Data source & methodology

The demographic data on this page was sourced from the latest U.S. Census Bureau release—the 2019–2023 American Community Survey (ACS) 5-year estimates.

The information, issued annually, is compiled and published by the Point2Homes Research Team as soon as new data becomes available.

No representation, guarantee, or warranty is made concerning the accuracy or completeness of modified or aggregated information for particular areas.

Page last updated: September 2025