PlainZIP

Eureka, MT

Single-footprint Census roll-up for Eureka, MT: 1 USPS ZIP, population 4,225. Open the primary ZIP for household income, housing tenure, and commute from ACS 2023 5-Year Estimates.

U.S. Census Bureau, SimpleMaps US ZIP Code Database, delivery-area ZIP coverage

ACS city ledger plate

Sheet EUREKA-MT · Eureka, MT 1 ZIPs · 4,225 pop · #21732/25278 · Lincoln County

INC-MID · RANK-BOTTOM · ABOVE-PEER · BOOK-ONE · OWN-HIGH · POP-VILLAGE · SPREAD-UNK · HOME-MID

  • INC-MID $50,139
  • RANK-BOTTOM #21732/25278
  • ABOVE-PEER over Libby
  • BOOK-ONE 1 ZIP
  • OWN-HIGH 89% owners
  • POP-VILLAGE 4,225
  • SPREAD-UNK Single-ZIP book
  • HOME-MID $360,100

Nearest income peer: Libby, MT ( $5,159 income $)

Instrument codes from this city’s ACS household income, national rank, county-peer gap, ZIP book, owner tenure, population scale, intra-city income spread, and home-value band, not a moving recommendation.

Income neighbourhood around Eureka

Lowest/highest poles plus county-sharing cities nearest Eureka on average ZIP median household income. Full ladder: /cities.

median HH income

What this shows County-sharing peers only, not the full US city board. Open a near peer when the gap is small; open the poles when the mosaic is wide.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2026-08-25

National city placement

According to ACS 5-Year Estimates, Eureka, MT sits among US cities with one of the lowest household incomes among US cities, on a village-scale population base, across a single-ZIP footprint.

14th pct
household income vs 25,278 US cities
4,225
city population (Census)
1
USPS ZIP codes covered
$50,139
avg ZIP median income

Income percentile ranks this city's average ZIP median household income against 25,278 US cities with ACS income on at least one ZIP. Scale and ZIP-spread words come from Census population and USPS ZIP coverage.

Lower-income footing on only 1 ZIP ($50,139 average) · poverty 18.0%. The primary code (59917) carries the ACS household fields that matter.

Owner-occupancy here runs high (89.3%) - tenure is stable enough that the ZIP detail's owner share is the right next click, not a renter-heavy compare.

Within Montana, Harlowton is the closest lower-income city and Box Elder the closest higher-income city by average ZIP household income. Their 1 and 1 ZIP footprints are the immediate statewide comparison set for Eureka.

Population concentration

One ZIP, 59917, is all of Eureka

There is no split to weigh here: 59917 holds every one of Eureka's 4,225 ACS residents. City-level and ZIP-level numbers on this site are the same number twice, check the ZIP page for the income/tenure/commute breakdown.

Census ZBP business roll-up

Dense ZBP book packed into Eureka's one ZIP

Citywide ZBP: 234 establishments, 1,388 employees , annual payroll $53,747k (~55 establishments per 1,000 residents) across 1 of 1 ZIPs. Peak business ZIP 59917 (234 units) ; leading NAICS Construction (55) · also Retail trade · Accommodation and food services .

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ZIP Codes in Eureka, MT

These ZIP codes sit in Lincoln County, which covers 7 ZIP codes in all; 1 of them fall in Eureka. See the Lincoln County roll-up →

Eureka lands mid-pack among the 5 cities sharing Lincoln County: Rexford, Fortine and Trego earn more and Libby and Troy earn less. Trego marks the far end of that range at $108,875, 117% above Eureka.

ZIP Code Population Median income Establishments Density
59917 4,225 $50,139 234 6
How we build city roll-ups · Guide: reading ZIP code data · BLS wages

Eureka roll-ups here are for informational purposes only and do not constitute financial or relocation advice. ACS and Census ZBP figures are estimates; confirm the current table against Census before a money or move decision involving Eureka, .