Residential delivery area · Montana
ZIP Code 59531: Joplin, MT
ZIP code 59531 uses the postal name Joplin, Montana and lies mostly in Liberty County (73% of its land) with the rest in Hill County (Census 2020 ZIP-county file). About 350 people live there (Census Bureau, ACS 2020-2024). Median household income is $67,891 (Census Bureau, ACS 2020-2024). By Census place, under 1% of its land lies in Joplin (a census-designated place); more than 99% is outside any Census place.
- ACS2020-24
- Census2020
- ZBP2023
- IRS2022
- Town
- Joplin · its only residential ZIP
- County
- Liberty County (73%); Hill County (27%)
- Census places
- Joplin census-designated place
- House district
- MT-2 119th Congress
- State
- Montana
- Time zone
- Mountain
- Land area
- 267.7 sq mi · 1 person per sq mi
Where is ZIP code 59531?
59531 centers on 48.777°, -110.795° and covers 267.7 square miles of land plus 0.2 of water. It borders 3 ZIP codes: 59530, 59540, 59522.
The map draws ZIP code areas only. For the streets inside 59531, 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 59531 compare with the rest of Liberty County?
| Measure | 59531 | In Liberty County | In MT |
|---|---|---|---|
| People (ACS 2020-2024) | 351 | 4th of 7 | 219th of 369 |
| Median household income | $68k | not ranked | not ranked |
| Median home value | $110k | not ranked | not ranked |
59531's income and home value are not ranked: it has fewer than 1,000 residents (351). 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 5% 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 59531?
The 2020 Census counted 279 people in 59531; the ACS, which samples households over 2020-2024, estimates 351. Its boundary changed between the 2010 and 2020 censuses, so the two counts are not compared.
- People, ACS 2020-2024
- 351±138 (90% margin)
- 2020 Census count
- 279
- Households
- 129
- Median age
- 32.5
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 59531?
Of the 351 people the ACS estimates in 59531, 39.6% are under 18 and 10.3% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (97.2%).
- Under 1839.6%
- 18 to 6450.1%
- 65 and older10.3%
- White, not Hispanic97.2%
- Other or two or more2.8%
- Hispanic or Latino0.0%
- Black, not Hispanic0.0%
- Asian, not Hispanic0.0%
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 do households in 59531 earn?
Median household income is $67,891 (ACS 2020-2024).
- Median household income
- $67,891±$33,313
- Income per person
- $43,812
- Below the poverty line
- 25.9%
- Unemployed (of the labor force)
- 0.0%
- Adults 25+ with a bachelor's degree
- 21.0%
- Adjusted gross income per tax return, 2022
- $62,208130 returns; wages 50% of AGI (IRS)
Source: U.S. Census Bureau, ACS 2020-2024 and 2015-2019 5-year estimates (B19013, B19301, B17001, B23025, B15003; 2015-2019 dollars converted with the BLS CPI-U, 1.22699); IRS Statistics of Income, ZIP code data, tax year 2022 (adjusted gross income per return, filed under the address on the return).
What are homes worth in 59531?
- Median home value (owners' estimate)
- $110,000
- Median gross rent
- –
- Homes owned by their occupants
- 83.7%
- Housing units
- 175
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001).
What businesses are in 59531?
11 business establishments had a location in this ZIP code in 2023, 4 more than in 2018 (ZIP Code Business Patterns).
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 59531?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 59530 | Inverness | 141 | $62k | 12.9 mi |
| 59540 | Rudyard | 430 | $74k | 15.9 mi |
| 59522 | Chester | 1,315 | $57k | 17.3 mi |
| 59528 | Hingham | 249 | $89k | 19.8 mi (near) |
| 59545 | Whitlash | 55 | $101k | 22.3 mi (near) |
| 59525 | Gildford | 473 | $48k | 26.0 mi (near) |
| 59444 | Galata | 222 | $44k | 28.1 mi (near) |
| 59461 | Lothair | 23 | – | 28.4 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.