PlainZIP

Rexburg, ID · standard

ZIP Code 83440

Madison County, Idaho - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.

34,610
78/sq mi
$58,159
Median income
$419,300
Median home value
40.9%
Bachelor's or higher

The verdict

Rexburg pairs a below-median household income with upper-quartile home values, in a rural, renter-heavy area.

26th pct
household income, US ZIPs
Top 19%
home value, US ZIPs
78
people per sq mi
39%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 83440 against every reporting US ZIP.

ZIP code 83440 is a densely settled ZIP (a standard USPS delivery area) in Rexburg, Madison County, Idaho, with 34,610 residents across 441.5 square miles, a density of 78 people per square mile, in the Boise time zone.

ZIP 83440 reports a modest median household income of $58,159 (20% below the Idaho average), while per-capita income is $23,661. 25.8% of residents live below the poverty line, and the unemployment rate reads 7.8%. On housing, the median home value is $419,300 (11% above the state average) with median rent at $1,000 per month, and 38.5% of occupied units are owner-occupied.

A solid share of residents have a four-year degree: 40.9% of adults hold a bachelor's degree or higher, the median age is 21.3, and the average commute is 16 minutes. Beyond these figures, 3 nearby ZIP codes within about 10 miles are surfaced below, along with 2 more sharing Madison County, letting you compare 83440 to its immediate surroundings rather than a national baseline alone.

Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →

Top industries in ZIP 83440

Top 5 sectors by establishment count in Rexburg, ID

Which industries have the most business establishments in ZIP 83440.

establishments

What this shows Establishment counts come from the Census ZIP Code Business Patterns program, which counts physical business locations rather than employees or revenue.

Source U.S. Census Bureau · ZIP Code Business Patterns (ZBP) As of 2023

Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, FHFA HPI for ZIP 83440, Rexburg, ID · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; FHFA HPI updated quarterly/annually.

Quick Facts

34,610

Population

441.5

Area (sq mi)

78

People / sq mi

Boise

Time Zone

standard

ZIP Type

Neighborhood Scorecard
Get an A-F grade across income, safety, housing, rent, education, commute, and childcare for this ZIP code.
View Scorecard →

Who lives in ZIP 83440?

21.3

Median Age

44.9%

Male

55.1%

Female

5.3%

Foreign-Born

White 87.3%
African American 1.0%
Asian 1.6%
American Indian or Alaska Native 0.2%
Native Hawaiian or Pacific Islander 0.2%
Two or More Ethnicities 6.2%
Hispanic or Latino 9.8%

Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How much do residents earn?

$58,159

Median Household Income

-20% vs state

$23,661

Per Capita Income

25.8%

Poverty Rate

7.8%

Unemployment Rate

16.2 min

Mean Commute Time

How ZIP 83440 ranks nationally

Rexburg, ID household income vs. every US ZIP code

Median household income, the full national distribution, with this ZIP marked

$58,159 26th percentile higher than 26% of 30,318 US ZIPs

$0–$20,000: 118 US ZIPs (0%). Below this entry. $20,000–$40,000: 1,573 US ZIPs (5%). Below this entry. $40,000–$60,000: 7,092 US ZIPs (23%). This entry sits in this band. $60,000–$80,000: 9,980 US ZIPs (33%). Above this entry. $80,000–$100,000: 5,778 US ZIPs (19%). Above this entry. $100,000–$120,000: 2,855 US ZIPs (9%). Above this entry. $120,000–$140,000: 1,362 US ZIPs (4%). Above this entry. $140,000–$160,000: 686 US ZIPs (2%). Above this entry. $160,000–$180,000: 364 US ZIPs (1%). Above this entry. $180,000–$200,000: 186 US ZIPs (1%). Above this entry. $200,000–$220,000: 324 US ZIPs (1%). Above this entry. This ZIP $0 $200K+ every reporting US ZIP, bucketed by value

Each bar is a $20K-wide band; taller bars hold more US ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source U.S. Census Bureau, ACS 5-Year Estimates · 2019–2023

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What is the education profile here?

High School Graduate or Higher 55.9%
Bachelor's Degree or Higher 40.9%

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What does housing look like?

14,120

Total Housing Units

12,426

Occupied Units

1,694

Vacant Units

3.22

Avg Household Size

Occupancy Type

Owner 38.5%
Renter 61.5%

$419,300

Median Home Value

+11% vs state

$1,000

Median Rent

2003

Median Year Built

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How have home values changed over time?

FHFA House Price Index, annual appreciation data based on repeat sales and appraisals

+3.4%

YoY Change (2024)

316

HPI Index (2000 = 100)

+216%

Total Change Since 2000

Home values in ZIP 83440 have increased 3.4% over the past year (2024). Since 2000, this ZIP has seen +216% cumulative appreciation.

Year Annual Change HPI Index
2020 +7.1% 209
2021 +19.0% 249
2022 +21.9% 303
2023 +0.6% 305
2024 +3.4% 316

Source: Federal Housing Finance Agency (FHFA) House Price Index, All-Transactions, Five-Digit ZIP Codes (Developmental Index). Index base = 100 in year 2000. Data through 2024. ZIP codes with few transactions may show missing values.

What businesses operate in this ZIP?

Census Bureau data shows 1,046 business establishments in ZIP 83440, employing approximately 11,558 people with a combined annual payroll of $437,674,000.

1,046

Businesses

11,558

Employees

$437.7M

Annual Payroll

19

Industry Sectors

Industry Establishments % of Total
Construction 172 16.4%
Retail trade 147 14.1%
Health care and social assistance 138 13.2%
Professional, scientific, and technical services 100 9.6%
Accommodation and food services 76 7.3%
Real estate and rental and leasing 70 6.7%
Administrative and support and waste management and remediation services 62 5.9%
Finance and insurance 56 5.3%
Other services (except public administration) 56 5.3%
Wholesale trade 44 4.2%
Manufacturing 33 3.1%
Transportation and warehousing 30 2.9%
Information 19 1.8%
Educational services 12 1.1%
Arts, entertainment, and recreation 10 1.0%
Agriculture, forestry, fishing and hunting 9 0.9%
Utilities 4 0.4%
Management of companies and enterprises 3 0.3%
Industries not classified 3 0.3%

Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.

Nearby ZIP Codes

Want a side-by-side? Compare 83440 vs 83460 →

ZIP 83440 vs its nearest neighbors, by population

Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.

residents

What this shows Among its immediate neighbors, ZIP 83440 ranks the most populous - useful context the national average alone can't give.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023

ZIP 83440 vs its nearest neighbors, by median income

Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.

median income

What this shows By household income, ZIP 83440 ranks #3 of 3 neighboring ZIPs, local affluence varies block to block, not just metro to metro.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023
ZIP Code City Population Distance
83460 Rexburg, ID 860 2.0 mi
83448 Sugar City, ID 2,451 6.6 mi
83442 Rigby, ID 19,250 10.5 mi

More ZIP Codes in Madison County

83448 standard
Sugar City, ID
Pop: 2,451
83460 standard
Rexburg, ID
Pop: 860

Related Areas

Madison County Rexburg, ID Idaho

Frequently Asked Questions

What county is ZIP code 83440 in? ▼
ZIP code 83440 (Rexburg) is located in Madison County, Idaho. Madison County contains multiple ZIP codes, see the full list at /counties/madison-id.
What is the population of ZIP code 83440? ▼
ZIP code 83440 in Rexburg, ID has a population of 34,610 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 83440? ▼
The median household income in ZIP 83440 is $58,159, which is 24% below the national average of $76,288.
What is the average home value in ZIP 83440? ▼
The median home value in ZIP 83440 is $419,300, which is 51% above the national average of $278,155.
What is the demographic makeup of ZIP 83440? ▼
The largest racial group in ZIP 83440 is White at 87.3%. Hispanic or Latino residents make up 9.8% of the population.
How many businesses are in ZIP code 83440? ▼
ZIP code 83440 has 1,046 business establishments employing approximately 11,558 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 83440? ▼
The top industries by establishment count in ZIP 83440 are: Construction (172), Retail trade (147), Health care and social assistance (138). There are 19 industry sectors represented in total.
How have home values changed in ZIP code 83440? ▼
According to the FHFA House Price Index, home values in ZIP 83440 increased by 3.4% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 216%. This is a developmental index based on repeat sales and appraisal data from Fannie Mae and Freddie Mac.
What is the education level in ZIP code 83440? ▼
In ZIP code 83440, 55.9% of residents aged 25+ have a high school diploma or higher, and 40.9% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What is the average commute time in ZIP 83440? ▼
The mean commute time for workers in ZIP code 83440 is 16.2 minutes according to Census ACS data. The national average is roughly 26 minutes, so commuters here spend less time traveling to work than typical.
What percentage of residents own vs. rent in ZIP 83440? ▼
In ZIP code 83440, approximately 38.5% of occupied housing units are owner-occupied and 61.5% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 83440? ▼
The poverty rate in ZIP code 83440 is 25.8% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.

Read our methodology to see how this data is sourced, computed, and verified.