US ZIP Code
83440

Rexburg, ID

Madison County  ·  Idaho

● Active
👥 50,669 Population ↑ 38% since 2019
💰 $57,701 Median HH Income
▼ 24% below avg ↑ 51% since 2019
🎂 21.3 Median Age ↓ 9% since 2019
🏠 $372,800 Median Home Value
▲ 34% above avg ↑ 70% since 2019
🎓 54.6% College Grads
▲ 41% above avg
📊 8.4% Unemployment
▲ 71% above avg ↑ 20% since 2019
ZIP Code Details
ZIP Code83440
CityRexburg
StateIdaho (ID)
CountyMadison County
Area Code208/986
Elevation5,334 ft
Latitude43.808572
Longitude-111.80862
TimezoneBoise (DST)
FIPS16065
ZIP TypeStandard
StatusActive
People & Population (ACS 2023)
♂ Male 44.8% (22,705) Female 55.2% (27,964) ♀

Race & Ethnicity

White: 84.4%Hispanic: 10.1%Black: 0.8%Asian: 1.5%Other: 2.4%Race
White84.4%
Hispanic10.1%
Black0.8%
Asian1.5%
Other2.4%

Age Breakdown

Under 5
7%
5–17
13%
18–24
48%
25–44
19%
45–64
9%
65+
2%

Key Indicators

Median Age21.3 yrs ↓ 9% since 2019
Avg Household Size3.46
Below Poverty22.6% ▲ 126% above avg
College Grads54.6% ▲ 41% above avg
Unemployment8.4% ▲ 71% above avg
No HS Diploma47 (0.3%)
HS Graduate2,195 (14%)
Some College1,213 (7.7%)
Associates3,672 (23.4%)
Bachelors2,395 (15.3%)
Graduate Degree6,158 (39.3%)

Education

No HS: 0.3%HS Grad: 14%Some College: 7.7%Associates: 23.4%Bachelors: 15.3%Graduate: 39.3%Edu
No HS0.3%
HS Grad14.0%
Some College7.7%
Associates23.4%
Bachelors15.3%
Graduate39.3%
Housing & Income

Housing Tenure

Owner: 38%Renter: 62%Tenure
Owner38.0%
Renter62.0%

Home Value Distribution

Under $50k
4%
$50k–100k
4%
$100k–150k
3%
$150k–200k
4%
$200k–300k
20%
$300k–500k
40%
Over $500k
23%

Financials

Median HH Income$57,701 ▼ 24% below avg ↑ 51% since 2019
Median Home Value$372,800 ▲ 34% above avg ↑ 70% since 2019
Home/Income Ratio6.5x (nat avg ~3.5x)
Median Rent$959/mo ↑ 33% since 2019
Total Units13,845
Vacant Units1,916
Avg HH Size3.46

Income Distribution

Under $25k
20%
$25k–50k
20%
$50k–75k
22%
$75k–100k
12%
$100k–150k
15%
$150k–200k
4%
Over $200k
7%
Employment & Commute

How People Get to Work

Drove Alone
70%
Public Transit
1%
Walked
15%
Work From Home
14%

Commute Time

Under 15 min
63%
15–30 min
18%
30–45 min
12%
Over 45 min
7%
Housing Stock

Year Built

Before 1940
1%
1940s–1950s
6%
1960s–1970s
15%
1980s–1990s
20%
2000+
58%

Summary

Total Units13,845
Vacant1,916
Owner Occupied38.0%
Renter Occupied62.0%
Avg HH Size3.46
Frequently Asked Questions
ZIP code 83440 is in Rexburg, ID, in Madison County.
ZIP code 83440 is located in Idaho (ID).
ZIP code 83440 is in Madison County, ID.
ZIP 83440 observes the Boise timezone. Daylight Saving Time is observed.
The estimated population of ZIP code 83440 is 50,669 people (ACS 2023).
The median household income in ZIP code 83440 is $57,701 (ACS 2023).
The median home value in ZIP 83440 is $372,800 (ACS 2023).
About ZIP Code 83440

ZIP code 83440 is located in Rexburg, Idaho, within Madison County. With a population of 50,669, this is a highly populated ZIP code with a young community — the median age is 21.3 years. Economically, 83440 is a solidly middle-class ZIP code: the median household income of $57,701 is below the national average.

Real estate in ZIP code 83440 represents a mid-range housing market. The median home value of $372,800 is above the national average. Renters can expect to pay around $959 per month in median rent. This is predominantly a renter community, with 62.0% of occupied units rented — typical of urban and transitional neighborhoods. Median home values have increased by 70% since 2019.

The population of 83440 is primarily White (84.35%). Residents are well-educated — 54.6% hold a bachelor's degree or higher, which is above the national average. Poverty affects a significant share of residents at 22.6%. Household income has grown by 51% since 2019.

The unemployment rate in 83440 stands at 8.4%, which is significantly above the national average. About 11% of workers are remote. As in most parts of the country, driving alone is the dominant commute mode at 58%.

Overall, ZIP code 83440 in Rexburg, ID is characterized as solidly middle-class, well-educated, and a young community. With 50,669 residents, a median household income of $57,701, and a median home value of $372,800, it offers a clear picture of life in this part of Idaho.