Residential delivery area · Idaho
ZIP Code 83421: Chester, ID
ZIP code 83421 uses the postal name Chester, Idaho and lies entirely in Fremont County (Census 2020 ZIP-county file). About 220 people live there (Census Bureau, ACS 2020-2024). Its land lies outside any incorporated or census-designated place.
- ACS2020-24
- Census2020
- ZBP2023
- Town
- Chester · its only residential ZIP
- County
- Fremont County
- Micro area
- Rexburg, ID
- House district
- ID-2 119th Congress
- State
- Idaho
- Time zone
- Mountain
- Land area
- 11.7 sq mi · 19 people per sq mi
Where is ZIP code 83421?
83421 centers on 44.002°, -111.547° and covers 11.7 square miles of land plus 0.1 of water. It borders 2 ZIP codes: 83445, 83420.
The map draws ZIP code areas only. For the streets inside 83421, open its center on OpenStreetMap.
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries and the 2023 Gazetteer (2020 ZCTAs); ZIP-to-county shares, Census places and House districts (119th Congress) from the Census 2020 relationship files (shares of land); metro area from the OMB delineation (July 2023); town name and time zone from simplemaps US ZIP Codes (CC BY 4.0).
How does 83421 compare with the rest of Fremont County?
| Measure | 83421 | In Fremont County | In ID |
|---|---|---|---|
| People (ACS 2020-2024) | 220 | 10th of 11 | 229th of 279 |
| Median household income | – | not ranked | not ranked |
| Median home value | $282k | not ranked | not ranked |
83421's income and home value are not ranked: it has fewer than 1,000 residents (220). Rankings use ZIP codes of 1,000 or more people living in households, with margins at most 25% of the figure.
It is denser than 25% of U.S. residential ZIP codes. ZIP codes at the ACS caps ($250,000 or more for household income, $2,000,000 or more for home value) share the top rank.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B19013, B25077); ranks by PlainZIP over residential ZIP codes (ZCTAs).
How many people live in 83421?
The 2020 Census counted 349 people in 83421; the ACS, which samples households over 2020-2024, estimates 220. Its boundary changed between the 2010 and 2020 censuses, so the two counts are not compared.
- People, ACS 2020-2024
- 220±180 (90% margin)
- 2020 Census count
- 349
- Households
- 115
- Median age
- 62.4
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B01002, B11001); 2020 Census (DHC P1); 2010 Census (SF1 P1).
Who lives in 83421?
Of the 220 people the ACS estimates in 83421, 22.7% are under 18 and 39.1% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (100.0%).
- Under 1822.7%
- 18 to 6438.2%
- 65 and older39.1%
- White, not Hispanic100.0%
- Hispanic or Latino0.0%
- Black, not Hispanic0.0%
- Asian, not Hispanic0.0%
- Other or two or more0.0%
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01001 age by sex, B03002 Hispanic or Latino origin by race); shares of the estimated population, small ZIP codes carry wide margins.
What are homes worth in 83421?
- Median home value (owners' estimate)
- $282,400
- Median gross rent
- –
- Homes owned by their occupants
- 100.0%
- Housing units
- 148
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001).
What businesses are in 83421?
6 business establishments had a location in this ZIP code in 2023, the same count as in 2018; the most are in construction (ZIP Code Business Patterns).
- Construction3
Source: U.S. Census Bureau, ZIP Code Business Patterns 2023 and 2018 (establishments with paid employees, by the business's ZIP code).
Which ZIP codes are next to 83421?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 83445 | Saint Anthony | 7,975 | $68k | 10.1 mi |
| 83420 | Ashton | 2,580 | $69k | 11.7 mi |
| 83451 | Teton | 993 | $68k | 10.3 mi (near) |
| 83436 | Newdale | 778 | $80k | 10.4 mi (near) |
| 83438 | Parker | 327 | $146k | 10.9 mi (near) |
| 83448 | Sugar City | 3,365 | $76k | 13.3 mi (near) |
| 83460 | Rexburg | 56 | – | 17.4 mi (near) |
| 83440 | Rexburg | 51,421 | $58k | 18.6 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.