ZIP code
83440
Rexburg, ID
83440 covers Rexburg in Madison County, with 50,669 people in the ACS 2023 estimate.
Figures are for the Census ZIP Code Tabulation Area (ZCTA), which is not the same as a USPS ZIP code. A PO Box or unique ZIP may have no ZCTA and no demographics. Methodology
U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: ZCTA 83440. Methodology
ZIP code map of 83440

About ZIP code 83440
More enterprise fields
Commercial ZIP directory · not ACS
Commercial ZIP directory population_count for ZCTA 83440. Not ACS. Methodology
People in 83440
Race
- White43,253
- Black or African American720
- American Indian or Alaska Native232
- Asian946
- Native Hawaiian and Pacific Islander225
- Other race2,420
- Two or more races2,771
Hispanic or Latino (any race): 4,994
Age
- Under 105,965
- 10 to 198,240
- 20 to 2923,528
- 30 to 393,719
- 40 to 492,842
- 50 to 592,185
- 60 to 692,105
- 70 to 791,218
- 80 and older765
Income and housing in 83440
Education
- High school graduate96.9%
- Bachelor's degree39.7%
- Graduate degree11.8%
Places covering 83440
Cities and places — Population overlap
Share of this ZIP/ZCTA’s population located within each place, based on ZIP Code Database place-overlap data. This is a population measure, not land-area overlap or the Census-place population.
- Rexburg77.8%
- Sugar City0.0%
ZIP Code Database place-overlap table, field percent_of_zip_population_in_place, keyed by place_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology
Counties — Population overlap
Share of this ZIP/ZCTA’s population located within each county, based on ZIP Code Database county-overlap data. This is a population measure, not land-area overlap or the Census county population.
- Madison County98.5%
- Fremont County1.5%
ZIP Code Database county-overlap table, field percent_of_zip_population_in_county, keyed by county_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology
22.1% of this ZIP is outside city limits (a real overlap row, not missing data).
Population history for 83440
Hover the chart or read the table below (Year | ACS | IRS).
| Year | ACS population | IRS population |
|---|---|---|
| 2005 | 22,551 | |
| 2006 | 21,957 | |
| 2007 | 23,364 | |
| 2008 | 23,481 | |
| 2009 | 23,660 | |
| 2010 | 24,259 | |
| 2011 | 34,312 | 24,394 |
| 2012 | 35,179 | 24,830 |
| 2013 | 35,636 | 25,640 |
| 2014 | 35,732 | 27,070 |
| 2015 | 36,145 | 28,300 |
| 2016 | 35,912 | 27,420 |
| 2017 | 35,817 | 28,270 |
| 2018 | 36,202 | 29,340 |
| 2019 | 36,635 | 29,860 |
| 2020 | 37,231 | 31,900 |
| 2021 | 47,535 | 32,070 |
| 2022 | 49,410 | 32,090 |
| 2023 | 50,669 |
ACS: U.S. Census Bureau American Community Survey 5-year estimates. IRS: Statistics of Income ZIP Code data.
ZIP codes near 83440
12 nearest ZIP centroids (any distance)
- 83460Rexburg1.4 miPop 35 · Income —
- 83448Sugar City5.6 miPop 3,074 · Income $77,564
- 83451Teton9.6 miPop 902 · Income $76,563
- 83434Menan10.5 miPop 1,754 · Income $85,625
- 83438Parker10.7 miPop 349 · Income $140,938
- 83442Rigby12.5 miPop 24,829 · Income $84,328
- 83431Lewisville13.9 miPop 1,066 · Income $81,667
- 83445Saint Anthony16.1 miPop 7,514 · Income $67,759
- 83454Ucon16.5 miPop 386 · Income $58,929
- 83436Newdale18.1 miPop 839 · Income $70,781
- 83421Chester18.6 miPop 346 · Income $80,438
- 83401Idaho Falls18.7 miPop 47,170 · Income $75,870
ZIP centroids within 2 miles
| ZIP | City | State | Distance (miles) | ACS population | Median income |
|---|---|---|---|---|---|
| 83460 | Rexburg | ID | 1.4 mi | 35 | — |
ZIPs within 2 miles of this place
Default is 2 miles. Distances are between ZIP centroids. Widen the radius if nothing is in range.
ZIP code 83440 FAQ
- What city is ZIP code 83440 in?
- 83440 is in Rexburg, ID.
- What county is 83440 in?
- 83440 is in Madison County.
- What is the median household income in 83440?
- The median household income in 83440 is $57,701.
- Which ZIP codes are near 83440?
- Use the radius tool on this page to list ZIP codes within a chosen distance of 83440.