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CITY · 2020 ACS

Firth

Idaho · 517 residents · 0.573 sq mi
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The short version

Firth has lower-than-average household income, with a median household income of $57,115. Population has grown 27% since 2000. 16% of adults hold a bachelor's degree or higher, below the national rate of 33%. Median home value has risen by half since 2000, reaching $104,900. Poverty is rare here, at 5.1% of residents.

At a glance
Lower income
below the US median
US median: $66,278
Younger
median age 34.9
US median: 38.8
Less educated
16% hold a bachelor's degree
US average: 33%
Stable housing
home values roughly flat, inflation adjusted
US median home: $265,253
Section 01

Population & growth

Total population
517
+27%since 2000
from 408 in 2000
1990 – 2025
Median age
34.9
+7%since 2000
from 32.5 in 2000
US average: 38.8
Population, 1990 – 2024
3564325095856621990201020202024Firth
2024429
1990201020202024
Age distribution, 2020
Under 57.2%(37)
US avg: 5.6%
5 to 99.1%(47)
US avg: 6.1%
10 to 149.7%(50)
US avg: 6.5%
15 to 196.6%(34)
US avg: 6.6%
20 to 244.1%(21)
US avg: 6.7%
25 to 3413.5%(70)
US avg: 13.5%
35 to 4413.7%(71)
US avg: 12.7%
45 to 547.7%(40)
US avg: 12.3%
55 to 6412.4%(64)
US avg: 13.1%
65 to 7410.3%(53)
US avg: 10%
75 to 843.9%(20)
US avg: 4.9%
85 and over1.9%(10)
US avg: 1.9%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02

Income & economy

Median household income
$57,115
+64%inflation adjusted, since 2000
from $23,239 in 2000
US average: $66,278
1990 – 2024
Per capita income
$21,199
+103%since 2000
from $10,458 in 2000
US average: $35,364
Households earning $100K+
24.0%
+12.7 ptssince 2009
from 11.3% in 2009
US average: 43.9%
Poverty rate
5.1%
−20.6 ptssince 2000
from 25.7% in 2000
US average: 12.8%
Workforce by industry, 2020
Finance & insurance18%
US avg: 5.5%
Professional, scientific, technical18%
US avg: 4.7%
Retail trade15.8%
US avg: 10%
Wholesale trade9.2%
US avg: 6.7%
Information7.9%
US avg: 11.1%
Other services1.8%
US avg: 6.6%
Public administration1.8%
US avg: 4.7%
Arts, entertainment, food0.9%
US avg: 2%
Agriculture, forestry, fishing0%
US avg: 1.7%
Construction0%
US avg: 1.2%
Manufacturing0%
US avg: 0.5%
Transportation & warehousing0%
US avg: 2.5%
Education & health services0%
US avg: 0.8%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 03

Housing

Median home value
$104,900
+12%inflation adjusted, since 2000
from $62,500 in 2000
US average: $265,253
1990 – 2024
Median gross rent
$681
+61%inflation adjusted, since 2000
from $282 in 2000
US average: $1,124
Owner-occupied
58.2%
−12.9 ptssince 2000
from 71.1% in 2000
41.8% rent
Afford Score
1.8
−27%since 2009
from 2.5 in 2009
2009 – 2024
Our index: median home value divided by median household income. Lower is more affordable.
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%
2020
White, non-Hispanic66.3%(343)
Black0.2%(1)
Hispanic / Latino28.2%(146)
Asian0.4%(2)
Other4.4%(23)

No data for the years selected.

Section 04 · Origins

Detailed origins & ancestry

Hispanic origin
Mexican13.6%(77)
Spaniard0.9%(5)
Asian origin
Japanese0.5%(3)
Pacific Islander origin
Chamorro1.2%(7)
Ancestry
English9.3%(53)
German7.2%(41)
American5.8%(33)
Swedish4.2%(24)
Polish3%(17)
Norwegian2.6%(15)
Danish1.9%(11)
Scottish1.1%(6)
Dutch0.5%(3)
French0.5%(3)
British0.4%(2)
Irish0.4%(2)
+ 3 more ancestry groups with data
Italian0.2%(1)
Russian0.2%(1)
Welsh0.2%(1)
RANKED:Largest Mexican population · Largest English population · Largest German population · Largest American population · Largest Swedish population
Section 05

Education

Bachelor's degree or higher
16.0%
+6.5 ptssince 2000
from 9.5% in 2000
US average: 32.9%
High school or higher
88.0%
+19.9 ptssince 2000
from 68.1% in 2000
US average: 88.5%
Graduate degree
1.4%
+0.5 ptssince 2000
from 1.0% in 2000
US average: 12.7%
Section 06

Commute & transportation

Average commute
27.9 min
+77%since 2000
from 15.8 min in 2000
US average: 26.9
Drive alone to work
65.9%
−7.1 ptssince 2009
from 73.0% in 2009
US average: 75.1%
No vehicle available
0.0%
−1.6 ptssince 2009
from 1.6% in 2009
US average: 8.4%
Section 07

Work & employment

Unemployment rate
0.0%
−5.6 ptssince 2011
from 5.6% in 2011
US average: 5.4%
Labor force participation
55.1%
−3.9 ptssince 2011
from 59.0% in 2011
US average: 63.4%
Management & professional
18.9%
−16.3 ptssince 2009
from 35.2% in 2009
US average: 39.3%
Section 08

People & community

Male
54.8%
+7.8 ptssince 2009
from 47.0% in 2009
Female
45.2%
−7.8 ptssince 2009
from 53.0% in 2009
Foreign born
3.3%
−10.0 ptssince 2009
from 13.4% in 2009
US average: 13.5%
Uninsured
11.4%
−71.6 ptssince 2013
from 83.0% in 2013
US average: 8.8%
Marital status (2024)
Men 15+
Never married24.5%(40)
Married63.2%(103)
Widowed5.5%(9)
Divorced6.7%(11)
Women 15+
Never married27%(43)
Married59.7%(95)
Widowed3.1%(5)
Divorced10.1%(16)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
Drill deeper

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Compare Firth to nearby cities

FIRTH VS
Blackfoot
Income$64,032+12%
Home value$262,500+150%
Population13,361+2352%
SEE FULL COMPARISON →
FIRTH VS
Idaho Falls
Income$73,110+28%
Home value$335,500+220%
Population71,785+13072%
SEE FULL COMPARISON →
FIRTH VS
Ammon
Income$86,121+51%
Home value$381,800+264%
Population20,119+3592%
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FIRTH VS
Chubbuck
Income$82,977+45%
Home value$341,700+226%
Population16,823+2987%
SEE FULL COMPARISON →
Frequently asked

How many people live in Firth, Idaho?

Firth, Idaho has about 517 residents according to the 2020 American Community Survey.

What is the median household income in Firth, Idaho?

The typical household in Firth, Idaho earns about $57,115 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 $104,900, and the typical rent is about $681 a month.

How educated are people in Firth, Idaho?

About 16.0% 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 5.1% of people in Firth, Idaho live below the federal poverty line.

Has Firth, Idaho grown since 1990?

Yes, Firth, Idaho has grown since 1990. The population has added about 67 residents, a change of about 15 percent over that period.

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

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