ZIP Code 83440: Population, Income, Housing

State: ID

Total population: 51,421 Household income: $58,159 Rent: $1,000

Overview

Total population

51,421

Rent

$1,000

Year built

2003

Household income

$58,159

Per capita income

$23,661

Poverty rate

25.8%

Unemployment rate

N/A

Household size

3.2 persons

Rent over 30% of income

47.8%

Note: Rent, income, and year built are shown as median values, while household size is shown as an average (see explanations below).

ZIP data use Census ZCTAs, which closely match USPS ZIP Codes in most cases (see FAQ for details).

Data are sourced from the American Community Survey (ACS) 5-Year Estimates, 2024 release — the latest dataset currently available. New 5-year estimates are published annually, about 6–12 months after the end of each reference year.

Demographics

State

Idaho

County

Madison County

City

Rexburg

Total population

51,421

Adults over 25

16,697

Total households

12,426

Household size

3.2 persons

Note: Rent, income, and year built are shown as median values, while household size is shown as an average (see explanations below).

ZIP data use Census ZCTAs, which closely match USPS ZIP Codes in most cases (see FAQ for details).

Income & Poverty

Household income

$58,159

Per capita income

$23,661

Poverty rate

25.8%

Unemployment rate

N/A

Rent over 30% of income

47.8%

Note: Rent, income, and year built are shown as median values, while household size is shown as an average (see explanations below).

ZIP data use Census ZCTAs, which closely match USPS ZIP Codes in most cases (see FAQ for details).

Housing

Rent

$1,000

Year built

2003

Households that rent

61.5%

Households that own

38.5%

Rooms per home (all homes)

4.8

Note: Rent, income, and year built are shown as median values, while household size is shown as an average (see explanations below).

ZIP data use Census ZCTAs, which closely match USPS ZIP Codes in most cases (see FAQ for details).

Race

White

87.3%

Black

Asian

1.6%

Two or more races

6.2%

Note: Rent, income, and year built are shown as median values, while household size is shown as an average (see explanations below).

ZIP data use Census ZCTAs, which closely match USPS ZIP Codes in most cases (see FAQ for details).

Ethnicity

Hispanic or Latino

9.8%

Not Hispanic or Latino

90.2%

Note: Rent, income, and year built are shown as median values, while household size is shown as an average (see explanations below).

ZIP data use Census ZCTAs, which closely match USPS ZIP Codes in most cases (see FAQ for details).

Commute

Commute rate

23,174 (87.5%)

Commute time to work

16 mins

Work from home

3,322 (12.5%)

Note: Rent, income, and year built are shown as median values, while household size is shown as an average (see explanations below).

ZIP data use Census ZCTAs, which closely match USPS ZIP Codes in most cases (see FAQ for details).

Education

Less than high school

28.2%

High school graduate or GED

15%

Some college or associate degree

15.9%

Bachelor’s degree or higher

40.9%

Note: Rent, income, and year built are shown as median values, while household size is shown as an average (see explanations below).

ZIP data use Census ZCTAs, which closely match USPS ZIP Codes in most cases (see FAQ for details).

Comparison of ZIP Code 83440 with: Madison County, ID Idaho United States

ZIP 83440

Total population51,421

Rent$1,000

Year built2003

Household income$58,159

Per capita income$23,661

Poverty rate25.8%

Unemployment rateN/A

Madison County, ID

Total population54,618

Rent$1,014

Year built2002

Household income$60,160

Per capita income$23,958

Poverty rate24.5%

Unemployment rate3.2%

Idaho State

Total population1,934,262

Rent$1,238

Year built1991

Household income$77,800

Per capita income$38,952

Poverty rate10.6%

Unemployment rate3.7%

United States

Total population334,922,499

Rent$1,413

Year built1980

Household income$80,734

Per capita income$44,673

Poverty rate12.5%

Unemployment rate4%

Metric	ZIP83440	CountyMadison, ID	StateIdaho	CountryUnited States
Total population	51,421	54,618	1,934,262	334,922,499
Rent	$1,000	$1,014	$1,238	$1,413
Year built	2003	2002	1991	1980
Household income	$58,159	$60,160	$77,800	$80,734
Per capita income	$23,661	$23,958	$38,952	$44,673
Poverty rate	25.8%	24.5%	10.6%	12.5%
Unemployment rate	N/A	3.2%	3.7%	4%

View the full multi-level comparison →

Summary for 83440

Rent & Income

In 83440, the typical monthly rent is $1,000 and the typical household income is $58,159. Rent here is lower than Idaho, and household income is lower than Idaho. The estimated poverty rate is 25.8%.

Housing & Affordability

Renters make up about 61.5% of households, making this a predominantly renter area. About 47.8% of renters spend more than 30% of their income on housing, indicating high cost burden.

Education & Employment

Educational attainment is high, with about 40.9% of adults holding a bachelor’s degree or higher.

ZIP 83440 — Rent vs Household Income

ZIP 83440 — Poverty

How ZIP 83440 compares in Idaho (21 ZIP Codes)

Metric	This ZIP	Rank	Starts from	State range
Rent	$1,000	1 / 21	from lower rent	$1,000 – $1,892
Household income	$58,159	21 / 21	from higher income	$58,159 – $125,203
Poverty rate	25.8%	21 / 21	from lower poverty	5.4% – 25.8%

Rankings are calculated among ZIP Codes in Idaho with total population > 30,000 (year 2024).

Detailed Ranking Explanation for ZIP Code 83440

Rent

When it comes to rent, ZIP Code 83440 ranks 1st out of 21 ZIP Codes in Idaho. Statewide, values range from $1,000 in ZIP 83440 up to $1,892 in ZIP 83646.

Household income

Income-wise, this area is placed 21st out of 21 ZIP Codes. Across Idaho, figures vary from $58,159 in ZIP 83440 up to $125,203 in ZIP 83616.

Poverty rate

When it comes to poverty, ZIP Code 83440 places 21st out of 21 ZIP Codes. Throughout Idaho, numbers span from 5.4% in ZIP 83646 up to 25.8% in ZIP 83440.

💰 Rent in ZIP Code 83440 (with Utilities)

Estimated Monthly Rent: $1,000 ℹ️ What’s Included:
✅ Base rent, electricity, gas, water/sewer, and heating fuels
❌ Not included: internet, cable TV, renter's insurance, parking

💡 What does this rent estimate mean?

Explanation: This estimate shows what renters typically pay each month for housing — including the apartment or home and essential utilities like heat, water, and electricity.

Included in this number: Rent plus electricity, gas, water/sewer, and heating fuel.

Not included: Internet, cable, parking, renter’s insurance, or furniture rental.

Note: This cost does not depend on the number of people living in the home.

👨‍👧‍👦 Household Income in ZIP Code 83440

Annual Household Income: $58,159

💡 What does Household Income mean?

Definition: This represents the middle value of all household incomes in the ZIP code — half of households earn less, and half earn more.

Includes: wages, salaries, self-employment income, Social Security, pensions, investments, unemployment, public assistance, and rental income.

Does NOT include: capital gains, non-cash benefits (like food stamps), or tax refunds.

Household = any group of people (or a single person) living in the same housing unit.

Example: A couple earning $40,000 and $30,000 together have a household income of $70,000. If that's in the middle of all local incomes, it's the value shown here.

📉 Poverty Rate in ZIP Code 83440

Estimated Rate: 25.8%

💡 What does the Poverty Rate represent?

Definition: The percentage of people in this area living below the federal poverty threshold.

How it works: The threshold is a dollar amount set by the U.S. Census Bureau that varies by family size and age. If a household's income is below that level, everyone in it is included in this rate.

Example: In a town of 10,000 people, if 1,500 have incomes below the poverty line, the poverty rate is 15%.

Note: This statistic only includes people living in households; it does not count those in student housing, military barracks, or nursing homes.

🏘️ Renter vs. Owner Households in ZIP Code 83440

In ZIP Code 83440, households that rent: 7,646 (61.5%)

📊 What does the renter household percentage reveal about this ZIP Code?

Household Type	Count	Share
Renter-Occupied	7,646	61.5%
Owner-Occupied	4,780	38.5%

Definition: This is the percentage of households that rent their home rather than own it. It includes only occupied housing units.

Why it matters: Areas with a high share of renter households often have younger populations, higher mobility, and different housing needs compared to mostly owner-occupied areas.

Example: If 65% of homes in an area are renter-occupied, it means 65 out of every 100 households rent their home.

📉 Renters Spending Over 30% of Income on Rent in ZIP Code 83440

In ZIP Code 83440, cost-burdened renters (households spending over 30% of income on housing): 3,651 (47.8%)

🏚️ What Does It Mean When Renters Spend Over 30% of Their Income on Housing?

Household Group	Households	Share
Cost-burdened renters (over 30%)	3,651	47.8%
Other renter households	3,995	52.2%
Total renter households	7,646	100%

Shares are calculated as a percentage of renter households.

This shows how many renters in the ZIP code are considered cost-burdened — meaning they spend more than 30% of their income on housing (rent and basic utilities).

It’s a sign that housing might be unaffordable in the area or that lower-income residents may be struggling with rent.

Data comes from the U.S. Census Bureau’s American Community Survey.

📊 Education Levels in ZIP Code 83440

Less than High School: 4,706 people (28.2%)

Includes adults who did not complete high school.

High School Graduate or GED: 2,505 people (15%)

Includes adults whose highest education is a high school diploma or GED.

Some College or Associate Degree: 2,658 people (15.9%)

Includes adults who attended college without completing a bachelor’s degree (some college or associate degree).

Bachelor’s Degree or Higher: 6,828 people (40.9%)

Includes adults with a bachelor’s degree or higher (bachelor’s, master’s, professional, or doctoral degree).

👥 Total Adults (25+): 16,697

ℹ️ Have questions about how these statistics are calculated? See our data methodology & FAQs

Source: ACS 5-Year Estimates (U.S. Census Bureau) — unemployment rate from BLS. Some values are derived metrics.