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 Moderate-density area
- $58,159
- Median income Below-median income area
- $419,300
- Median home value Above-median home value
- 40.9%
- Bachelor's or higher Above-average bachelor's attainment
National ZIP placement
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.
FHFA HPI release change
What changed in the latest House Price Index year
- FHFA House Price Index values in ZIP 83440 (Rexburg, ID) rose +3.4% from 2023 to 2024. The all-transactions index moved from 305.2 in 2023 to 315.7 in 2024 (2000 = 100).
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 average Idaho ZIP), while per-capita income is $23,661. The poverty rate is 25.8%, so the area-level income figures should not be treated as typical household experience. Median home value is $419,300 (11% above the average Idaho ZIP) and median rent is $1,000; 38.5% of occupied homes 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. The page also surfaces 3 ZIP codes within roughly 10 miles and 2 more in Madison County, so 83440 can be compared with both its immediate and county-level context.
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.
- Construction
Construction
172 establishments
- Retail trade
Retail trade
147 establishments
- Health care and social assistance
Health care and social assistance
138 establishments
- Professional, scientific, and technical services
Professional, scientific, and technical services
100 establishments
- Accommodation and food services
Accommodation and food services
76 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, 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
Who lives in ZIP 83440?
21.3
Median Age
44.9%
Male
55.1%
Female
5.3%
Foreign-Born
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 ZIP avg
$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
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?
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What does housing look like?
Housing stock: occupied vs vacant
14,120housing units
14,120
Total Housing Units
12,426
Occupied Units
1,694
Vacant Units
3.22
Avg Household Size
Occupancy Type
$419,300
Median Home Value
+11% vs state ZIP avg
$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.
- 83440
Rexburg (83440)
34,610 residents
- 83442
Rigby (83442)
19,250 residents
- 83448 2,451
Sugar City (83448)
2,451 residents
- 83460 860
Rexburg (83460)
860 residents
What this shows Among its immediate neighbors, ZIP 83440 ranks the most populous - useful context the national average alone can't give.
ZIP 83440 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 83442
Rigby (83442)
$88,260 median income
- 83448
Sugar City (83448)
$76,000 median income
- 83440
Rexburg (83440)
$58,159 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.
Nationwide ZIPs with similar ACS profiles
Two Census-derived peer sets for ZIP 83440, both outside ID so the neighborhoods are not geographic containment (Nearby and same-county blocks stay local).
Similar population
Nearest cross-state ZIPs by resident population (34,610 here; floor ≥1,000).
Similar median household income
Nearest cross-state ZIPs by ACS median household income.
More ZIP Codes in Madison County
Related Areas
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.
Related
Take this with you
What to do with ZIP 83440's numbers, next.
- See how ZIP 83440 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where Rexburg, ID ranks among every U.S. ZIP code on income, education, or homeownership View national rankings
- Save this ZIP to your shortlist to track alongside others you're considering View your shortlist
ZIP Code Tabulation Areas (ZCTAs) are Census Bureau approximations of USPS ZIP codes; figures describe the ZCTA area, not any single address within it.