Firth, ID demographics:
population, income, and more

Total population
429
12.6% year-over-year change
Median household income
$56,250/yr
14.4% year-over-year change
Housing units
152
9.3% year-over-year change

Firth population

How many people live in Firth

Firth is home to 429 residents, according to the most recent Census data. Gender-wise, 51.5% of Firth locals are male, and 48.5% are female.

Total population
429
12.6% year-over-year change
Gender ratio
Male
51.5%
221
Female
48.5%
208
Value Percent YoY change
Male 221 51.5% 14.5%
Female 208 48.5% 10.6%
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 Firth is 37, with the population distributed as follows: about 24.9% are children under 15, then 10.7% are in the 15 to 24 age group. Adults between 25 and 44 make up 32.2% of the population, while another 14.4% fall into the 45 to 64 bracket. Finally, around 17.7% are 65 or older.

Median age
37.2
Age breakdown
Under 15
24.9%
15 to 24
10.7%
25 to 44
32.2%
45 to 64
14.4%
Over 65
17.7%
Value Percent YoY change
Under 15 107 24.9% 20.2%
15 to 24 46 10.7% 2.2%
25 to 44 138 32.2% 23.2%
45 to 64 62 14.4% -6.1%
Over 65 76 17.7% 10.1%
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 Firth, 92.3% of the population are US-born citizens, while 3.5% have gained naturalized citizenship. At the same time, 4.2% of residents are non-citizens. There’s also a share of 11% that includes residents with two or more races.

Citizenship
U.S.-born citizens
92.3%
Non-U.S.-born citizens
3.5%
Non-citizens
4.2%
Value Percent YoY change
U.S.-born citizens 396 92.3% 10.3%
Non-U.S.-born citizens 15 3.5% -16.7%
Non-citizens 18 4.2% 350.0%
Racial breakdown
White
82.5%
Black or African American
0%
American Indian and Alaska Native
0.5%
Asian
0%
Native Hawaiian and other Pacific Islander
0%
Two or more races
11%
Other
6.1%
Value Percent
White 354 82.5%
American Indian and Alaska Native 2 0.5%
Two or more races 47 11%
Other 26 6.1%

Households in Firth

A peek inside Firth households

Firth has 148 households, with an average of 3 members in each. Of these, 64.9% are families, while the remaining 35.1% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
148
12.1% year-over-year change
Average people per household
3
Non-family households
52
Family households
96
Value Percent YoY change
Non-family households 52 35.1% 30.0%
Family households 96 64.9% 4.3%
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 Firth

The housing landscape of Firth

Firth's housing consists of 152 units, with 69.7% being detached single-family homes ideal for those wanting space. Attached options, including duplexes and townhouses, make up 2% 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 8.6% of the housing landscape.

Housing units
152
9.3% year-over-year change
Housing types
Value Percent
1 unit, detached 106 69.7%
1 unit, attached 3 2%
2 units 16 10.5%
3 or 4 units 8 5.3%
5 to 9 units 3 2%
10 to 19 units 3 2%
Mobile home 13 8.6%
Homes built since 2020
2
100.0% year-over-year change

The age of buildings in Firth

In Firth, the median construction year is 1971. About 15.1% of homes were built before the 1940s, with another 4% going up by 1949. Most development happened in the second half of the 20th century. Then, 3.3% of homes were added from 2000 to 2009, 15.1% between 2010 and 2019, and 1.3% are part of the newest wave of development.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 23 15.1% -14.8%
Built between 1940 and 1949 6 4% 50.0%
Built between 1950 and 1959 10 6.6% 25.0%
Built between 1960 and 1969 34 22.4% 6.2%
Built between 1970 and 1979 34 22.4% 13.3%
Built between 1980 and 1989 3 2% 0.0%
Built between 1990 and 1999 12 7.9% 20.0%
Built between 2000 and 2009 5 3.3% 66.7%
Built between 2010 and 2019 23 15.1% 9.5%
Built in 2020 or later 2 1.3% 100.0%
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.

Firth occupancy rates

Out of the 148 occupied housing units in Firth, 61.5% are owner-occupied, while 38.5% are lived in by tenants. Meanwhile, 2.6% of all homes on the local market sit vacant.

Occupied housing units
148
12.1% year-over-year change
Occupancy breakdown
Renter occupied
57
Owner occupied
91
Value Percent YoY
change
Renter occupied 57 38.5% 3.6%
Owner occupied 91 61.5% 18.2%
Unoccupied housing units
2.6%
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.

Firth housing costs

Housing costs in Firth come to a median of $823 per month, while tenants specifically pay a median gross rent of $775.

Median housing costs per month
$823/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 Firth
$775/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 Firth

Firth education at a glance

About 42% of the population in Firth went to high school, while 16.6% pursued college studies. Another 13.7% earned an associate degree and 14% hold a bachelor’s. Meanwhile, 4.6% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 28 9.1% 100.0%
High school diploma 129 42% 0.0%
College diploma 51 16.6% -5.6%
Associate degree 42 13.7% 13.5%
Bachelor's degree 43 14% 30.3%
Graduate degree 14 4.6% 40.0%
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 Firth

How much people earn in Firth

The average annual household income in Firth was $73,097 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a +11.3% change from the previous year. At the same time, the median income stood at $56,250, reflecting a +14.4% shift over the same period.

Average household income in Firth
$73,097/year
11.3% year-over-year change
Median household income in Firth
$56,250/year
14.4% year-over-year change

Firth income by age

In Firth, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $68,333. Younger households, where the main provider is under 25 and just starting out, report a median income of $54,375, while those led by someone over 65, many of whom may be retired, have about $55,000 in earnings. Overall, 88.5% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
Under 25 $54,375 N/A
25 - 44 $68,333 32.5%
Over 65 $55,000 14.3%
Above poverty level
377
Below poverty level
49
Value Percent YoY
change
Above poverty level 377 88.5% 12.9%
Below poverty level 49 11.5% 11.4%

Average renter income in Firth

To get a better sense of what renters earn on average in Firth, their median household income was $62,917 according to 2022 Census data. In addition, the rent-to-income ratio in the area, at 14.8%, shows what portion of their earnings goes toward housing expenses.

Renter median household income
$62,917
Rent-to-income ratio
14.8%
Understanding the rent-to-income ratio can help renters gauge if local housing costs align with their earnings. A ratio under 30% usually signals affordability, while exceeding this mark means rent is taking a larger-than-recommended bite out of income. That could make it harder for you to cover other costs like transportation, healthcare, or child care.

Employment in Firth

Workforce and job types in Firth

The job market in Firth is powered by 177 working residents, spread across a range of industries and roles. 78.5% of the working population are employed in professional or administrative positions, while 21.5% are in hands-on or service-based jobs. Also, 9% run their own businesses, 52% are employed by private companies, and 27.1% work in the public sector.

Workforce demographics

Working population
177
13.5% year-over-year change
White collar
139
Blue collar
38
Value Percent YoY change
White collar 139 78.5% 20.9%
Blue collar 38 21.5% -7.3%
Employer type
Self employees
9%
Private companies
52%
Governmental workers
27.1%
Not for profit companies
11.9%
Value Percent YoY change
Self employees 16 9% 33.3%
Private companies 92 52% 12.2%
Governmental workers 48 27.1% 11.6%
Not for profit companies 21 11.9% 10.5%

Transportation in Firth

How people get around in Firth

Commuting methods vary: 85.9% 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.

Means of transportation
Value Percent YoY change
Car 140 85.9% 5.3%
Bus or trolleybus 7 4.3% 0.0%
Motorcycle 2 1.2% 100.0%
Bicycle 2 1.2% N/A
Walk 5 3.1% 66.7%
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 Firth by zipcode?

Zipcode Population Number of households Median income Average income
83236 1,840 786 $68,214 $85,089

Explore more communities

FAQs about Firth demographics 

What is the total population of Firth?

Firth has a total population of 429 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 +12.6% compared to a year ago.

What is the gender ratio in Firth?

The gender ratio in Firth is as follows:
  • 51.5% males (221 residents)
  • 48.5% females (208 residents)

What is the median age in Firth?

The median age in Firth is 37.2.

What is the age distribution of the population in Firth?

The age distribution in Firth is as follows:
  • Under 15: 24.9% (107 residents)
  • Ages 15-24: 10.7% (46 residents)
  • Ages 25-44: 32.2% (138 residents)
  • Ages 45-64: 14.4% (62 residents)
  • Over 65: 17.7% (76 residents)

What is the racial and ethnic makeup of Firth?

The racial and ethnic makeup of Firth is as follows:
  • White: 82.5% (354 residents)
  • Black or African American: 0% (0 residents)
  • American Indian and Alaska Native: 0.5% (2 residents)
  • Asian: 0% (0 residents)
  • Native Hawaiian and Other Pacific Islander: 0% (0 residents)
  • Two or More Races: 11% (47 residents)
  • Other: 6.1% (26 residents)

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

U.S.-born citizens represent 92.3% of the population in Firth.

How many housing units are there in Firth?

There are 152 housing units in Firth, reflecting a +9.3% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

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

Firth has a total of 148 households, with an average of 3 people in each.

What is the median household income in Firth?

Firth has a median household income of $56,250, representing a +14.4% shift from the previous year, according to the U.S. Census Bureau.

What is the job market overview for Firth?

Here’s a detailed breakdown of the local job market:

Job types:
  • White-collar workers: 78.5% (139 residents)
  • Blue-collar workers: 21.5% (38 residents)

Places of employment:
  • Self-employed: 9% (16 residents)
  • Private companies: 52% (92 residents)
  • Governmental workers: 27.1% (48 residents)
  • Not-for-profit companies: 11.9% (21 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