CensusEasy
CITY

Firth

Idaho · 545 residents (2025 est.) · 0.573 sq mi
Time machine
COMPARE TO
Part of the Blackfoot micropolitan area
Compare
The short version

Firth has notably lower household income than the US average, with a median household income of $56,250. Population has held roughly steady since 2000. 21% of adults hold a bachelor's degree or higher, below the national rate of 36%. Median home value has more than tripled since 2000, reaching $235,400. Households here earn about 28% less than the Idaho median.

At a glance
Lower income
below the US median
US median: $82,259
Younger
median age 37.2
US median: 38.9
Less educated
21% hold a bachelor's degree
US average: 36%
Less affordable
home values up 107%, inflation adjusted
US median home: $376,019
Section 01

Population & growth

Total population
429
+5%since 2000
from 408 in 2000
1990 – 2025
Population density
749 / sq mi
+5%since 2000
from 712 / sq mi in 2000
US average: 281
Median age
37.2
+14%since 2000
from 32.5 in 2000
US average: 38.9

PEP 2025 EST:545 residents (Census Bureau Vintage 2025, released March 2026)

Population, 1990 – 2024
3564325095856621990201020202024Firth
2024429
1990201020202024
Section 02

Income & economy

Median household income
$56,250
+33%inflation adjusted, since 2000
from $23,239 in 2000
US average: $82,259
1990 – 2024
Per capita income
$26,765
+156%since 2000
from $10,458 in 2000
US average: $44,673
Households earning $100K+
39.9%
+28.6 ptssince 2009
from 11.3% in 2009
US average: 53.3%
Poverty rate
12.1%
−13.6 ptssince 2000
from 25.7% in 2000
US average: 12.5%
Income inequality (Gini)
0.465
+24%since 2010
from 0.375 in 2010
US average: 0.476
Workforce by industry, 2024
Retail trade11.9%
US avg: 9.9%
Information8.5%
US avg: 10.8%
Other services8.5%
US avg: 6.7%
Public administration8.5%
US avg: 4.8%
Wholesale trade4%
US avg: 6.9%
Agriculture, forestry, fishing2.3%
US avg: 1.6%
Construction2.3%
US avg: 1.2%
Finance & insurance0.6%
US avg: 5.9%
Professional, scientific, technical0.6%
US avg: 5.1%
Manufacturing0%
US avg: 0.4%
Transportation & warehousing0%
US avg: 2.2%
Education & health services0%
US avg: 0.9%
Arts, entertainment, food0%
US avg: 1.9%
BARS: THIS PLACE · TICKS: US AVERAGE
Section 03

Housing

Median home value
$235,400
+107%inflation adjusted, since 2000
from $62,500 in 2000
US average: $376,019
1990 – 2024
Median gross rent
$775
+51%inflation adjusted, since 2000
from $282 in 2000
US average: $1,442
Owner-occupied
61.5%
−9.6 ptssince 2000
from 71.1% in 2000
38.5% rent
Vacancy rate
2.6%
−5.7 ptssince 2009
from 8.4% in 2009
US average: 10.0%
Owner cost-burdened
11.0%
−14.8 ptssince 2009
from 25.8% in 2009
US average: 22.9%
Renter cost-burdened
52.6%
+26.9 ptssince 2009
from 25.7% in 2009
US average: 47.4%
Afford Score
4.2
+56%since 2000
from 2.7 in 2000
1990 – 2024
Gentrification Score
82
RELATED:See current rent listings in Firth on RentDataNow
Section 04

Race & ethnicity

2000
White, non-Hispanic63.5%(259)
Black0.2%(1)
Hispanic / Latino29.2%(119)
Asian0%(0)
Other0%
Diversity Score54.3%(222)
2024
White, non-Hispanic82.1%(352)
Black0%(0)
Hispanic / Latino14.7%(63)
Asian0%(0)
Other3.3%(14)
Diversity Score38%(163)
Diversity Score
38
−30%since 2000
from 54 in 2000
1990 – 2024
Section 05

Education

Bachelor's degree or higher
20.7%
+11.1 ptssince 2000
from 9.5% in 2000
US average: 35.6%
High school or higher
85.9%
+17.8 ptssince 2000
from 68.1% in 2000
US average: 89.6%
Graduate degree
5.1%
+4.1 ptssince 2000
from 1.0% in 2000
US average: 14.0%
Section 06

Commute & transportation

Average commute
24.0 min
+52%since 2000
from 15.8 min in 2000
US average: 26.5
Drive alone to work
74.2%
+1.2 ptssince 2009
from 73.0% in 2009
US average: 68.9%
Carpooled to work
11.7%
+0.9 ptssince 2009
from 10.8% in 2009
US average: 8.5%
Public transit
4.3%
−1.1 ptssince 2009
from 5.4% in 2009
US average: 3.2%
Worked from home
4.3%
+0.9 ptssince 2009
from 3.4% in 2009
US average: 15.0%
Walked to work
3.1%
−4.3 ptssince 2009
from 7.4% in 2009
US average: 2.4%
Biked to work
1.2%
+1.2 ptssince 2009
from 0.0% in 2009
US average: 0.4%
No vehicle available
4.1%
+2.4 ptssince 2009
from 1.6% in 2009
US average: 8.3%
Section 07

Work & employment

Unemployment rate
0.0%
−5.6 ptssince 2011
from 5.6% in 2011
US average: 5.2%
Labor force participation
56.0%
−3.0 ptssince 2011
from 59.0% in 2011
US average: 63.5%
Self-employed
22.0%
+10.5 ptssince 2009
from 11.6% in 2009
US average: 13.1%
Management & professional
34.5%
−0.7 ptssince 2009
from 35.2% in 2009
US average: 42.5%
Section 08

People & community

Male
51.5%
+4.5 ptssince 2009
from 47.0% in 2009
Female
48.5%
−4.5 ptssince 2009
from 53.0% in 2009
Foreign born
6.8%
−6.6 ptssince 2009
from 13.4% in 2009
US average: 14.1%
Veterans
8.1%
−42.7 ptssince 2009
from 50.8% in 2009
US average: 6.2%
With a disability
17.5%
−1.2 ptssince 2012
from 18.7% in 2012
US average: 13.3%
Uninsured
11.9%
−71.1 ptssince 2013
from 83.0% in 2013
US average: 8.4%
Broadband at home
75.0%
+14.0 ptssince 2017
from 61.0% in 2017
US average: 91.0%
English only at home
87.1%
+2.3 ptssince 2016
from 84.8% in 2016
US average: 77.7%
Spanish at home
12.9%
−2.3 ptssince 2016
from 15.3% in 2016
US average: 13.6%
Drill deeper

Places similar to Firth

Coolidge
Pop 558
Crawfordville
Pop 507
Berlin
Pop 529
Sopchoppy
Pop 487
Places similar to Firth
Head to head

Compare Firth to nearby cities

FIRTH VS
Blackfoot
Income$64,032+14%
Home value$262,500+12%
Population13,361+2352%
SEE FULL COMPARISON →
FIRTH VS
Idaho Falls
Income$73,110+30%
Home value$335,500+43%
Population71,785+13072%
SEE FULL COMPARISON →
FIRTH VS
Ammon
Income$86,121+53%
Home value$381,800+62%
Population20,119+3592%
SEE FULL COMPARISON →
FIRTH VS
Chubbuck
Income$82,977+48%
Home value$341,700+45%
Population16,823+2987%
SEE FULL COMPARISON →
Frequently asked

How many people live in Firth, Idaho?

Firth, Idaho has about 429 residents according to the 2024 American Community Survey.

What is the median household income in Firth, Idaho?

The typical household in Firth, Idaho earns about $56,250 a year. Half of households make more than that, and half make less.

Is Firth, Idaho expensive?

In Firth, Idaho, the median home is worth about $235,400, and the typical rent is about $775 a month.

How educated are people in Firth, Idaho?

About 20.7% of adults age 25 and over in Firth, Idaho hold a bachelor's degree or higher.

What is the poverty rate in Firth, Idaho?

About 12.1% of people in Firth, Idaho live below the federal poverty line.

Has Firth, Idaho grown since 1990?

Yes, Firth, Idaho has shrunk since 1990. The population has lost about 21 residents, a change of about -5 percent over that period.

Keep going

Explore from here

Up the hierarchy
Idaho
Rankings
Highest income citiesFastest growing citiesMost educated cities
Compare
Compare Firth with another place

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

How we source and harmonize this data →

Firth, Idaho: demographics, income & housing data · CensusEasy