Postal Codes

59623 ZIP Code

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ZIP code 59623 covers Helena, Montana, with a population of about 0.

Population
0
Time zone
Mountain UTC-07:00observes daylight saving time

Where 59623 is

Helena, Montana — the point the Postal Service gives for this ZIP code. A ZIP code is a set of delivery routes rather than an area, so this marks its centre, not its boundary.

People and households

American Community Survey 2019–2023 five-year estimates

Population0
Natural hazard risk

FEMA National Risk Index, estimated for this ZIP code from census tract data — the NRI is not published per ZIP.

Overall riskHigher than 72.5% of US census tracts
FEMA ratingRelatively Moderate
Expected annual loss78.8 out of 100
Community resilience75.5 out of 100

By hazard

Score is out of 100 and is the area-weighted average across the census tracts this ZIP code covers. The rating beside it is the highest any one of those tracts carries.

Winter weather99.4Very High at its worst in this ZIP code
Cold wave97.2Very High at its worst in this ZIP code
Wildfire92.7Relatively Moderate at its worst in this ZIP code
Landslide90.7Relatively Low at its worst in this ZIP code
Earthquake86.1Relatively Moderate at its worst in this ZIP code
Lightning76.7Relatively Moderate at its worst in this ZIP code
Avalanche74.4Relatively Low at its worst in this ZIP code
Strong wind33.3Relatively Low at its worst in this ZIP code
River flooding31.9Relatively Low at its worst in this ZIP code
Hail29.4Very Low at its worst in this ZIP code
Heat wave14.5Very Low at its worst in this ZIP code
Ice storm7.2Very Low at its worst in this ZIP code
Tornado5.5Very Low at its worst in this ZIP code
Compared with Montana and the United States

State and national columns are figures for those areas, not for this ZIP code. American Community Survey 2019–2023 five-year estimates

This ZIPMontanaUnited States
Median household income$69,922$78,538
Income per person$39,842$43,289
Poverty rate12%12.4%
Median home value$338,100$303,400
Median gross rent$1,031$1,348
Homeownership69.4%65%
Bachelor's degree or higher34.5%35%
Unemployment rate3.8%5.2%
Works from home11.6%13.5%
Born outside the US2.3%13.9%
Median age40.238.7
Climate

NOAA US Climate Normals 1991-2020, from the nearest weather station with a full year of records. The station and its distance are named above, because a station forty kilometres away describes somewhere else.

Weather stationHELENA RGNL AP, MT US6.1 km away
Rain in a year11 in
Snow in a year37 in

Average high and low by month

January32.4°F / 13.5°F0.39 in rain, 6.6 in snow
February37.2°F / 17.2°F0.42 in rain, 6.6 in snow
March47.5°F / 24.6°F0.52 in rain, 4.6 in snow
April56.7°F / 32.4°F1.02 in rain, 2.9 in snow
May66.4°F / 41.5°F1.95 in rain, 0.1 in snow
June74.7°F / 48.7°F2.21 in rain
July86.1°F / 55.1°F1.06 in rain
August84.6°F / 52.9°F1.04 in rain, 0.3 in snow
September73.3°F / 44.6°F0.96 in rain, 0.2 in snow
October57.6°F / 33.5°F0.78 in rain, 2.8 in snow
November42.8°F / 22.8°F0.59 in rain, 5.4 in snow
December32.6°F / 14.2°F0.46 in rain, 7.7 in snow
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Access to food

USDA Food Access Research Atlas, estimated for this ZIP code from census tract data. Each figure is the share of the ZIP code's land area that falls in a tract carrying that flag.

Low income and far from a supermarket100% of this ZIP code's area
Far from a supermarket100% of this ZIP code's area
No vehicle and far from a supermarket100% of this ZIP code's area
School districts

NCES Geographic Relationship File 2025, which states the association between each district and each ZIP code tabulation area directly. Elementary and secondary districts can cover the same ground, so shares need not total 100%.

This ZIP code is served by 2 school districts, so the address decides which one, not the ZIP code.

Helena Elementary School District50% of this ZIP code's land area
Helena High School District50% of this ZIP code's land area
Community and walkability

CDC/ATSDR Social Vulnerability Index 2022 and the EPA National Walkability Index, both estimated for this ZIP code from census tract data. Vulnerability figures are national percentile ranks, not measurements.

Overall social vulnerability38more vulnerable than 38% of US census tracts
Socioeconomic status47more vulnerable than 47% of US census tracts
Household characteristics4more vulnerable than 4% of US census tracts
Racial and ethnic minority status24more vulnerable than 24% of US census tracts
Housing type and transport80more vulnerable than 80% of US census tracts
Walkability10.5 out of 20Below average
Nearby ZIP codes

The closest ZIP codes by centre point, which is not the same as sharing a border.

59620 Helena, MT0.4 km away
59624 Helena, MT0.4 km away
59626 Helena, MT0.4 km away
59625 Helena, MT1.3 km away
59601 Helena, MT2.9 km away
59636 Fort Harrison, MT6.3 km away
59604 Helena, MT10.2 km away
59635 East Helena, MT10.4 km away
Location, counties and time zone

County shares from Census 2020 ZCTA relationship files. Time zone from the USDOT National Transportation Atlas, which renders the boundaries written into 49 CFR Part 71.

Lewis and Clark County100% of this ZIP code's land area
Time zoneMountain (UTC-07:00 standard)
Daylight saving timeObserved
Latitude, longitude46.5901, -112.0402

Figures are published for this ZIP code or its Census tabulation area unless a section says otherwise. Estimates whose margin of error made them unreliable are omitted rather than shown. Sources: US Census Bureau, CDC, IRS.

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