Madison County, ID ZIP Codes
6 ZIP codes cover all or part of Madison County, Idaho: 83440, 83448, 83434, 83451, 83436 and 83460. The Census Bureau counts 54,618 residents in the county, with a median household income of $60,160 and a median home value of $414,800. Median household income ranges from $58,159 in 83440 to $82,731 in 83434. Its largest communities include Rexburg, Sugar City, Teton and Newdale.
Madison County (Census county figures)
| Measure | Census figure |
|---|---|
| Residents | 54,618 |
| Households | 13,326 |
| Median household income | $60,160 |
| Median home value | $414,800 |
| Median age | 21.4 |
| Median rent | $1,014 |
All 6 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 58,429 |
| Households (sum of ZIP codes) | 14,546 |
| Median household income, range across ZIP codes | $58,159 (83440) to $82,731 (83434) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $60,441 |
| Homeowners | 43.8% |
| Households with kids under 18 | 34.3% |
| Moved in the past year | 36.2% |
| Carrier routes in EDDM2GO's route library | 21 routes, 17,301 homes (4 of 6 ZIP codes) |
Top facts
- Highest median household income in Madison County: 83434 ($82,731)
- Most residents: 83440 (51,421 people)
- Highest homeownership: 83434 (78.5% own their home)
- Most households with kids: 83434 (44.7% of households)
- Most new movers: 83440 (39.1% moved in last year)
- Youngest median age: 83440 (21.3 years)
- Highest median home value: 83440 ($419,300)
Every ZIP code in Madison County
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 83440 | Rexburg | 51,421 | 12,426 | $58,159 | $419,300 | 38.5% | 33.0% | 39.1% | 17 | 16,499 | 96% of its land |
| 83448 | Sugar City | 3,365 | 944 | $76,000 | $381,900 | 66.2% | 39.5% | 17.3% | 2 | 1,102 | 98% of its land |
| 83434 | Menan | 1,816 | 613 | $82,731 | $277,400 | 78.5% | 44.7% | 9.2% | 1 | 639 | 28% of its land |
| 83451 | Teton | 993 | 349 | $67,946 | $259,300 | 84.5% | 37.8% | 19.1% | — | — | 67% of its land |
| 83436 | Newdale | 778 | 214 | $80,000 | $337,100 | 88.3% | 52.3% | 6.6% | 1 | 47 | 76% of its land |
| 83460 | Rexburg | 56 | 0 | — | — | — | — | 100.0% | — | — | 100% of its land |
A ZIP code is listed for Madison County when at least 10% of its land is in the county, when it holds at least 10% of the county's land, or when the county is its main county. Totals add up whole ZIP codes, including parts that cross the county line; the Census county figures above do not.
Cities and communities
- Rexburg — 40,543 residents · 2 ZIP codes
- Sugar City — 2,122 residents · 1 ZIP code
- Teton — 877 residents · 1 ZIP code
- Newdale — 525 residents · 1 ZIP code
Price a mailing to Madison County ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in Madison County, ID?
- 83440, 83448, 83434, 83451, 83436 and 83460. Some cross the county line; the table shows each ZIP's share of land in the county.
- What is the population of Madison County?
- 54,618 residents in 13,326 households (ACS 5-year estimates, 2020–2024).
- What is the median household income in Madison County?
- $60,160 for the county as a whole. Its ZIP codes range from $58,159 (83440) to $82,731 (83434).
- Which Madison County ZIP code has the highest median household income?
- 83434, at $82,731, among ZIP codes with at least 1,000 residents.
- How many carrier routes and mailboxes are in Madison County?
- For the 4 of 6 ZIP codes in EDDM2GO's stored route library: 21 carrier routes reaching 17,301 residential and 985 business mailboxes. The route map loads the rest when you search them.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.