Residential delivery area · Montana
ZIP Code 59101: Billings, MT
ZIP code 59101 uses the postal name Billings, Montana and lies mostly in Yellowstone County (98% of its land) with the rest in Big Horn County (Census 2020 ZIP-county file). About 42,000 people live there (Census Bureau, ACS 2020-2024), the 2nd most populous of Billings's 4 residential ZIP codes. Median household income is $58,598 (Census Bureau, ACS 2020-2024). By Census place, 2% of its land lies in Lockwood (a census-designated place), and 2% in smaller places; 96% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Billings · 4 residential ZIPs
- County
- Yellowstone County (98%); Big Horn County (2%)
- Census places
- Lockwood census-designated place
- Metro area
- Billings, MT
- House district
- MT-2 119th Congress
- State
- Montana
- Time zone
- Mountain
- Land area
- 590.8 sq mi · 72 people per sq mi
- PO Box ZIPs
- 10 more ZIP codes use the name Billings for PO boxes or single organizations
Where is ZIP code 59101?
59101 centers on 45.607°, -108.342° and covers 590.8 square miles of land plus 2.9 of water. It borders 9 ZIP codes: 59102, 59037, 59044, 59066, 59105, 59106, 59029, 59034, 59041.
The map draws ZIP code areas only. For the streets inside 59101, 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 59101 compare with the rest of Billings?
| Measure | 59101 | In Billings | In Yellowstone County | In MT |
|---|---|---|---|---|
| People (ACS 2020-2024) | 42,250 | 2nd of 4 | 2nd of 15 | 4th of 369 |
| Median household income | $59k | 4th of 4 | 7th of 7 | 81st of 104 |
| Median home value | $269k | 4th of 4 | 8th of 8 | 77th of 120 |
Its median household income is higher than in 27% of U.S. residential ZIP codes, and it is denser than 48% of all 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 59101?
The 2020 Census counted 41,522 people in 59101; the ACS, which samples households over 2020-2024, estimates 42,250. Its boundary changed between the 2010 and 2020 censuses, so the two counts are not compared.
- People, ACS 2020-2024
- 42,250
- 2020 Census count
- 41,522
- Households
- 17,655
- Median age
- 37.0
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 59101?
Of the 42,250 people the ACS estimates in 59101, 20.7% are under 18 and 15.7% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (73.9%), then Other or two or more (13.7%).
- Under 1820.7%
- 18 to 6463.6%
- 65 and older15.7%
- White, not Hispanic73.9%
- Other or two or more13.7%
- Hispanic or Latino10.6%
- Black, not Hispanic1.0%
- Asian, not Hispanic0.9%
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 59101 earn?
Median household income is $58,598 (ACS 2020-2024), the 7th highest of the 7 ranked ZIP codes in Yellowstone County.
- Median household income
- $58,598
- Income per person
- $35,499
- Below the poverty line
- 15.5%
- Unemployed (of the labor force)
- 5.5%
- Adults 25+ with a bachelor's degree
- 23.6%
- Adjusted gross income per tax return, 2022
- $64,65719,240 returns; wages 70% 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 59101?
FHFA's house price index for 59101, built from repeat sales and appraisals of the same homes, rose 81% from 2015 to 2025 and rose 53% from 2020 to 2025, and moved +4.3% in 2025.
- Median home value (owners' estimate)
- $268,700
- Median gross rent
- $972
- Homes owned by their occupants
- 56.4%
- Housing units
- 19,153
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001); FHFA House Price Index, annual five-digit ZIP, updated 2026-03-31.
What businesses are in 59101?
2,010 business establishments had a location in this ZIP code in 2023, 32 more than in 2018; the most are in construction (ZIP Code Business Patterns).
- Construction240
- Professional, scientific, and technical services229
- Retail trade210
- Health care and social assistance202
- Other services (except public administration)198
- Wholesale trade176
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 59101?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 59102 | Billings | 47,977 | $76k | 16.4 mi |
| 59037 | Huntley | 2,336 | $105k | 18.9 mi |
| 59044 | Laurel | 12,302 | $88k | 19.1 mi |
| 59066 | Pryor | 539 | $52k | 20.4 mi |
| 59105 | Billings | 35,480 | $78k | 21.1 mi |
| 59106 | Billings | 21,417 | $126k | 22.8 mi |
| 59029 | Fromberg | 760 | $72k | 26.6 mi |
| 59034 | Hardin | 5,008 | $61k | 27.7 mi |
| 59041 | Joliet | 2,258 | $81k | 31.2 mi |
| 59026 | Edgar | 81 | $90k | 23.0 mi (near) |
| 59006 | Ballantine | 586 | $53k | 24.9 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.