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CITY

Fairfield

Idaho · 501 residents (2025 est.) · 0.876 sq mi
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The short version

Fairfield has lower-than-average household income, with a median household income of $71,250. Population has grown 26% since 2000. Median home value has more than tripled since 2000, reaching $250,000. Poverty is rare here, at 2.2% of residents.

At a glance
Lower income
below the US median
US median: $82,259
Younger
median age 35.7
US median: 38.9
Average education
33% hold a bachelor's degree
US average: 36%
Less affordable
home values up 105%, inflation adjusted
US median home: $376,019
Section 01

Population & growth

Total population
499
+26%since 2000
from 395 in 2000
1990 – 2025
Population density
570 / sq mi
+16%since 2009
from 492 / sq mi in 2009
US average: 281
Median age
35.7
−8%since 2000
from 38.9 in 2000
US average: 38.9

PEP 2025 EST:501 residents (Census Bureau Vintage 2025, released March 2026)

Population, 1990 – 2024
3684144605055511990201020202024Fairfield
2024499
1990201020202024
Age distribution, 2024
Under 58.6%(43)
US avg: 5.6%
5 to 913.6%(68)
US avg: 6%
10 to 142.4%(12)
US avg: 6.4%
15 to 197%(35)
US avg: 6.6%
20 to 240%(0)
US avg: 6.5%
25 to 3417.2%(86)
US avg: 13.7%
35 to 4420.2%(101)
US avg: 13.2%
45 to 5411.2%(56)
US avg: 12.2%
55 to 647.2%(36)
US avg: 12.7%
65 to 743.8%(19)
US avg: 10.2%
75 to 846.8%(34)
US avg: 5.1%
85 and over1.8%(9)
US avg: 1.9%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02

Income & economy

Median household income
$71,250
+25%inflation adjusted, since 2000
from $31,167 in 2000
US average: $82,259
1990 – 2024
Per capita income
$39,640
+84%since 2000
from $21,504 in 2000
US average: $44,673
Households earning $100K+
48.6%
+25.5 ptssince 2009
from 23.1% in 2009
US average: 53.3%
Poverty rate
2.2%
−8.5 ptssince 2000
from 10.7% in 2000
US average: 12.5%
Income inequality (Gini)
0.396
+8%since 2010
from 0.366 in 2010
US average: 0.476
Workforce by industry, 2024
Wholesale trade32%
US avg: 6.9%
Agriculture, forestry, fishing4%
US avg: 1.6%
Construction4%
US avg: 1.2%
Finance & insurance4%
US avg: 5.9%
Professional, scientific, technical4%
US avg: 5.1%
Transportation & warehousing2%
US avg: 2.2%
Information1.5%
US avg: 10.8%
Manufacturing0%
US avg: 0.4%
Retail trade0%
US avg: 9.9%
Education & health services0%
US avg: 0.9%
Arts, entertainment, food0%
US avg: 1.9%
Other services0%
US avg: 6.7%
Public administration0%
US avg: 4.8%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 03

Housing

Median home value
$250,000
+105%inflation adjusted, since 2000
from $66,800 in 2000
US average: $376,019
1990 – 2024
Median gross rent
$1,125
+28%inflation adjusted, since 2000
from $482 in 2000
US average: $1,442
Owner-occupied
68.6%
−4.3 ptssince 2000
from 72.8% in 2000
31.4% rent
Vacancy rate
30.7%
−6.1 ptssince 2009
from 36.8% in 2009
US average: 10.0%
Owner cost-burdened
22.9%
−0.3 ptssince 2009
from 23.2% in 2009
US average: 22.9%
Renter cost-burdened
38.6%
+18.6 ptssince 2009
from 20.0% in 2009
US average: 47.4%
Afford Score
3.5
+14%since 2009
from 3.1 in 2009
2009 – 2024
Our index: median home value divided by median household income. Lower is more affordable.
Gentrification Score
81
Our index, 0 to 100. Higher means faster recent growth in incomes, home values, and college degrees.
RELATED:See current rent listings in Fairfield on RentDataNow
Section 04

Race & ethnicity

2000
White, non-Hispanic92.7%(366)
Black0%(0)
Hispanic / Latino6.1%(24)
Asian0%(0)
Other0%
2024
White, non-Hispanic68.7%(343)
Black0%(0)
Hispanic / Latino17.4%(87)
Asian0%(0)
Other13.8%(69)
Diversity Score
60
+53%since 2009
from 39 in 2009
2009 – 2024
Our index, 0 to 100. Higher means a more even mix of racial and ethnic groups.
Section 04 · Origins

Detailed origins & ancestry

Hispanic origin
Mexican16%(80)
Salvadoran1.4%(7)
Ancestry
American21.4%(107)
German8.6%(43)
English8%(40)
Irish7%(35)
Scottish4.8%(24)
Swedish4%(20)
Italian2.6%(13)
Dutch1.4%(7)
Polish1.4%(7)
Welsh1.2%(6)
Greek1%(5)
RANKED:Largest American population · Largest Mexican population · Largest German population · Largest English population · Largest Irish population
Section 05

Education

Bachelor's degree or higher
33.1%
+17.5 ptssince 2000
from 15.6% in 2000
US average: 35.6%
High school or higher
72.1%
−14.6 ptssince 2000
from 86.7% in 2000
US average: 89.6%
Graduate degree
7.9%
+4.9 ptssince 2000
from 3.1% in 2000
US average: 14.0%
Section 06

Commute & transportation

Average commute
40.3 min
+60%since 2000
from 25.2 min in 2000
US average: 26.5
Drive alone to work
80.7%
+16.9 ptssince 2009
from 63.8% in 2009
US average: 68.9%
Carpooled to work
9.6%
−3.6 ptssince 2009
from 13.2% in 2009
US average: 8.5%
Public transit
0.0%
Unchangedsince 2009
from 0.0% in 2009
US average: 3.2%
Worked from home
5.4%
+3.7 ptssince 2009
from 1.7% in 2009
US average: 15.0%
Walked to work
4.2%
−14.5 ptssince 2009
from 18.7% in 2009
US average: 2.4%
Biked to work
0.0%
−1.7 ptssince 2009
from 1.7% in 2009
US average: 0.4%
No vehicle available
8.6%
+3.6 ptssince 2009
from 4.9% in 2009
US average: 8.3%
Section 07

Work & employment

Unemployment rate
0.0%
−3.5 ptssince 2011
from 3.5% in 2011
US average: 5.2%
Labor force participation
55.1%
−26.3 ptssince 2011
from 81.4% in 2011
US average: 63.5%
Self-employed
20.5%
−13.6 ptssince 2009
from 34.1% in 2009
US average: 13.1%
Management & professional
37.0%
−9.0 ptssince 2009
from 46.0% in 2009
US average: 42.5%
Section 08

People & community

Male
39.5%
−12.7 ptssince 2009
from 52.2% in 2009
Female
60.5%
+12.7 ptssince 2009
from 47.8% in 2009
Foreign born
1.8%
−5.4 ptssince 2009
from 7.2% in 2009
US average: 14.1%
Veterans
8.8%
−43.8 ptssince 2009
from 52.6% in 2009
US average: 6.2%
With a disability
30.5%
+10.8 ptssince 2012
from 19.7% in 2012
US average: 13.3%
Uninsured
19.6%
−57.8 ptssince 2013
from 77.4% in 2013
US average: 8.4%
Broadband at home
97.9%
+19.9 ptssince 2017
from 78.0% in 2017
US average: 91.0%
English only at home
86.2%
−7.5 ptssince 2016
from 93.6% in 2016
US average: 77.7%
Spanish at home
12.3%
+5.9 ptssince 2016
from 6.4% in 2016
US average: 13.6%
Marital status
Men 15+
Never married26.8%(44)
Married48.2%(79)
Widowed0%(0)
Divorced25%(41)
Women 15+
Never married21.2%(45)
Married36.8%(78)
Widowed0%(0)
Divorced42%(89)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
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Head to head

Compare Fairfield to nearby cities

FAIRFIELD VS
Hailey
Income$90,760+27%
Home value$637,800+155%
Population10,053+1907%
SEE FULL COMPARISON →
FAIRFIELD VS
Jerome
Income$66,894−6%
Home value$225,400−10%
Population13,731+2641%
SEE FULL COMPARISON →
FAIRFIELD VS
Mountain Home
Income$63,125−11%
Home value$309,400+24%
Population16,779+3249%
SEE FULL COMPARISON →
FAIRFIELD VS
Twin Falls
Income$61,205−14%
Home value$321,300+29%
Population56,216+11121%
SEE FULL COMPARISON →
Frequently asked

How many people live in Fairfield, Idaho?

Fairfield, Idaho has about 499 residents according to the 2024 American Community Survey.

What is the median household income in Fairfield, Idaho?

The typical household in Fairfield, Idaho earns about $71,250 a year. Half of households make more than that, and half make less.

Is Fairfield, Idaho expensive?

In Fairfield, Idaho, the median home is worth about $250,000, and the typical rent is about $1,125 a month.

How educated are people in Fairfield, Idaho?

About 33.1% of adults age 25 and over in Fairfield, Idaho hold a bachelor's degree or higher.

What is the poverty rate in Fairfield, Idaho?

About 2.2% of people in Fairfield, Idaho live below the federal poverty line.

Has Fairfield, Idaho grown since 1990?

Yes, Fairfield, Idaho has grown since 1990. The population has added about 116 residents, a change of about 30 percent over that period.

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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

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