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CITY · 2010 ACS

Firth

Idaho · 477 residents · 0.57 sq mi
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The short version

Firth is a city of 477 people in Idaho. Four-year degrees are less common here than nationally, at 11% of adults. This skews young, with a median age of 31.4. The typical home is worth $78,900. Households here earn about 32% less than in Idaho as a whole. The poverty rate is 24.3%, above the 13.8% national rate.

At a glance
Lower income
below the US median
US median: $52,703
Younger
median age 31.4
US median: 37.2
Less educated
11% hold a bachelor's degree
US average: 28%
Stable housing
home values roughly flat, inflation adjusted
US median home: $225,659
Section 01

Population & growth

477
+17%since 2000
from 408 in 2000
1990 – 2025
31.4
−3%since 2000
from 32.5 in 2000
US average: 37.2
Land area
0.57 sq mi
Population, 19902024
35643250958566219902000201020202024Firth
2024429
1990201020202024
Age distribution, 2010
Under 511.1%(53)
US avg: 6.5%
5 to 96.5%(31)
US avg: 6.6%
10 to 148.2%(39)
US avg: 6.7%
15 to 197.5%(36)
US avg: 7.1%
20 to 246.5%(31)
US avg: 7%
25 to 3415.5%(74)
US avg: 13.3%
35 to 449.2%(44)
US avg: 13.3%
45 to 5412.8%(61)
US avg: 14.6%
55 to 6410.5%(50)
US avg: 11.8%
65 to 747.8%(37)
US avg: 7%
75 to 842.9%(14)
US avg: 4.2%
85 and over1.5%(7)
US avg: 1.8%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02

Income & economy

$31,750
+8%inflation adjusted, since 2000
from $23,239 in 2000
US average: $52,703
1990 – 2024
$14,099
+35%since 2000
from $10,458 in 2000
US average: $27,286
Households earning $100K+
9.3%
−2.0 ptssince 2009
from 11.3% in 2009
US average: 33.3%
24.3%
−1.4 ptssince 2000
from 25.7% in 2000
US average: 13.8%
0.375
US average: 0.461
Workforce by industry, 2010
Retail trade27.5%
US avg: 10.9%
Information13.7%
US avg: 11.5%
Wholesale trade4.4%
US avg: 7.2%
Agriculture, forestry, fishing3.9%
US avg: 1.9%
Construction3.9%
US avg: 1.4%
Transportation & warehousing2.9%
US avg: 3.1%
Arts, entertainment, food2.5%
US avg: 2.4%
Finance & insurance1.5%
US avg: 5.1%
Professional, scientific, technical1.5%
US avg: 4.2%
Manufacturing0%
US avg: 0.5%
Education & health services0%
US avg: 0.9%
Other services0%
US avg: 7%
Public administration0%
US avg: 4.9%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 03

Housing

$78,900
Unchangedinflation adjusted, since 2000
from $62,500 in 2000
US average: $225,659
1990 – 2024
$381
+7%inflation adjusted, since 2000
from $282 in 2000
US average: $853
69.6%
−1.5 ptssince 2000
from 71.1% in 2000
30.4% rent
8.9%
+0.5 ptssince 2009
from 8.4% in 2009
US average: 12.1%
2.80 people
+9%since 2009
from 2.58 people in 2009
US average: 2.60
30.2%
+4.4 ptssince 2009
from 25.8% in 2009
US average: 30.9%
24.4%
−1.3 ptssince 2009
from 25.7% in 2009
US average: 46.8%
2.5
−2%since 2009
from 2.5 in 2009
2009 – 2024
Years of local income it takes to buy a local home, on a scale of about 0 to 15. Lower is more affordable.
Section 04

Race & ethnicity

2000
White, non-Hispanic63.5%(259)
Black0.2%(1)
Hispanic / Latino29.2%(119)
Asian0%(0)
Other0%
2010
White, non-Hispanic71.3%(340)
Black0%(0)
Hispanic / Latino25.2%(120)
Asian0%(0)
Other2.6%(12)

No data for the years selected.

Section 04 · Origins

Detailed origins & ancestry

Hispanic origin
Mexican31.3%(170)
Ancestry
English16.9%(92)
Swedish9%(49)
American8.3%(45)
German7.2%(39)
French5.7%(31)
Scottish4%(22)
Danish3.5%(19)
Irish3.3%(18)
Welsh1.5%(8)
Swiss0.4%(2)
Section 05

Education

10.6%
+1.0 ptssince 2000
from 9.5% in 2000
US average: 27.9%
High school or higher
78.2%
+10.1 ptssince 2000
from 68.1% in 2000
US average: 84.9%
0.0%
−1.0 ptssince 2000
from 1.0% in 2000
US average: 10.2%
Section 06

Commute & transportation

28.0 min
+78%since 2000
from 15.8 min in 2000
US average: 25.2
59.1%
−14.0 ptssince 2009
from 73.0% in 2009
US average: 76.2%
15.5%
+4.8 ptssince 2009
from 10.8% in 2009
US average: 10.4%
13.0%
+7.6 ptssince 2009
from 5.4% in 2009
US average: 4.7%
6.7%
+3.3 ptssince 2009
from 3.4% in 2009
US average: 4.1%
5.7%
−1.7 ptssince 2009
from 7.4% in 2009
US average: 2.8%
0.0%
Unchangedsince 2009
from 0.0% in 2009
US average: 0.5%
2.6%
+1.0 ptssince 2009
from 1.6% in 2009
US average: 8.7%
Section 07

Work & employment

8.3%
−3.2 ptssince 2009
from 11.6% in 2009
US average: 12.9%
15.2%
+0.8 ptssince 2009
from 14.4% in 2009
US average: 35.2%
Section 08

People & community

44.9%
−2.1 ptssince 2009
from 47.0% in 2009
55.1%
+2.1 ptssince 2009
from 53.0% in 2009
14.0%
+0.6 ptssince 2009
from 13.4% in 2009
US average: 12.8%
5.5%
+1.4 ptssince 2009
from 4.2% in 2009
US average: 9.9%
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
Section 09

Health coverage

Showing 2024 (the nearest year with coverage data).

11.9%
−5.1 ptssince 2013
from 17.0% in 2013
US average: 8.4%
55.5%
+17.5 ptssince 2020
from 38.0% in 2020
US average: 54.8%
Direct-purchase
14.7%
−11.9 ptssince 2020
from 26.6% in 2020
US average: 13.8%
20.5%
+5.2 ptssince 2020
from 15.3% in 2020
US average: 18.4%
14.0%
−14.5 ptssince 2020
from 28.5% in 2020
US average: 20.9%
VA health care
4.4%
+1.8 ptssince 2020
from 2.6% in 2020
US average: 2.2%
Any private
70.4%
+6.5 ptssince 2020
from 63.9% in 2020
US average: 67.1%
Any public
31.2%
−11.2 ptssince 2020
from 42.4% in 2020
US average: 36.7%

Shares are "alone or in combination": a person with both Medicare and Medicaid counts in each, so categories overlap and do not sum to 100%.

Section 09 · Service history

Veterans

Veterans by period of service, 2024
Gulf War (2001 or later)32%(8)
US avg: 26.4%
Gulf War (1990s)4%(1)
US avg: 24.3%
Vietnam era64%(16)
US avg: 33.1%
Korean War0%(0)
US avg: 4.5%
World War II0%(0)
US avg: 1%

Share of the 25 veterans here. A veteran who served across eras counts in each, so shares can total more than 100%. Peacetime-only service is included in the total but not shown as an era.

BAR + DOT: THIS PLACE · TICK: US AVERAGE
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Frequently asked

How many people live in Firth, Idaho?

Firth, Idaho has about 477 residents according to the 2010 American Community Survey.

What is the median household income in Firth, Idaho?

The typical household in Firth, Idaho earns about $31,750 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 $78,900, and the typical rent is about $381 a month.

How educated are people in Firth, Idaho?

About 10.6% 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 24.3% 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 27 residents, a change of about 6 percent over that period.

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

How we source and harmonize this data →