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Compare · SD · ND

ZIP 57104 vs ZIP 58102

Sioux Falls (East), SD compared to Fargo, ND on twelve public-records dimensions. Data landing this week as ingestion rolls out.

Last verified 2026-04-24 · methodology

ZIP 57104

Sioux Falls (East), SD

South Dakota

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ZIP 58102

Fargo, ND

North Dakota

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Side by side

DimensionZIP 57104ZIP 58102
Water quality

EPA SDWIS

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Flood zone

FEMA NFHL

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Wildfire risk

USDA Forest Service

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Air quality

EPA AirNow

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Crime

FBI UCR

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Schools

NCES Common Core

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Radon

EPA Radon Zones

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Lead pipes

EPA LCRR / RTI

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Property tax

County assessor

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Deed activity

County recorder

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Zoning

Municipal planning

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Sex offender registry

NSOPW (deep-link)

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Dimensions populate live as ingestion reaches each source. Every row will link to the primary regulator.

South Dakota context

Radon Zone 1, agricultural water, tornadoes

South Dakota is uniformly Zone 1 radon. Agricultural runoff drives EPA SDWIS nitrate compliance pressure in small rural systems. Tornado risk peaks April-June.

South Dakota state page →

North Dakota context

Radon Zone 1, flooding (Red River), wind

North Dakota is uniformly Zone 1 radon. Red River of the North FEMA AE zones affect Fargo, Grand Forks. Wind exposure is significant statewide.

North Dakota state page →

Read more on cross-ZIP comparisons

Editorial deep-dives that help when reading two places side-by-side — what each data layer actually proves, and what it doesn't.

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