HomeNorth DakotaLogan County

Logan County, North Dakota

USDA's soil survey flags shrink-swell clay on 11% of Logan County's mapped land and a shallow water table under basements on 15%, both below the national shares of 15% and 29%. 21.7% of the county is in drought on the October 13, 2026 Drought Monitor map.

FEMA's flood data list 1 flood losses here since 2016. 74% of homes were built before 1980, against 50% nationally; the median home dates from 1967.

Data as of October 13, 2026 · sources

11%

expansive clay: shrink-swell limits slab homes

15%

high water table: limits basements

22%

in drought, October 13, 2026

74%

of homes built before 1980

Soil under Logan County

Expansive clay (limits slab homes)10.5%
High water table (limits basements)14.6%
Septic fields very limited47.7%
Clay swell (LEP, by area)3.8%
High-swell land (LEP 6%+)12.1%
Mapped soil649,300 acres
Soil seriesShare hereSeries nationally: expansive clay
Williams18%0%
Zahl17%n/a
Wabek7%n/a
Bowbells6%n/a
Zahill5%n/a
Parnell4%n/a
McIntosh County: 22%Emmons County: 14%Kidder County: 9%Stutsman County: 15%McPherson County: 18%LaMoure County: 16%Campbell County: 18%Dickey County: 20%Logan County McIntoshEmmonsKidderStutsmanMcPhersonLaMoureCampbellDickeyLogan
Logan County (heavy outline) and nearby counties, shaded by expansive clay share.under 10%10-25%25-40%40-60%60%+

How we count · survey areas ND047 (2026-05-04)

What the numbers mean here

Rain over the 12 months to August 2026: 16.54 in, 4.06 in below the 1991-2020 average year of 20.60 in.

With shrink-swell clay on 11% and a shallow water table on 15% of the land, the soil survey points to neither problem across most of Logan County; conditions still vary lot by lot.

Drought

21.7% of the county is in drought (D1 or worse) on the October 13, 2026 map. Part of the county was in drought in 9 of the last 52 weeks; the most was 29.3% of its area, in 5 weeks, most recently on the September 22, 2026 map.

October 21, 2025Share of area in drought, weeklyOctober 13, 2026
Category, October 13, 2026Share of county
D0 abnormally dry or worse100%
D1 moderate drought or worse21.7%
D2 severe or worse0%
D3 extreme or worse0%
D4 exceptional0%

Flood losses since 2016

1 flood losses since 2016, $7,103 paid. The worst year was 2020, with 1.

YearFlood losses
20160
20170
20180
20190
20201
20210
20220
20230
20240
20250
2026 to date0

Rain

Average year, 1991-202020.60 in
12 months to August 202616.54 in (-4.06)
202522.45 in (+1.85)
Wettest year since 18952019: 30.28 in
Driest year since 18951936: 7.24 in
Days with 1 inch or more, normal at NAPOLEON (13 mi away)3.9

Homes

Housing units1,070
Median year built1967
Built before 198074%
Built 2000 or later14%
Owner-occupied83%
Median value, owner-occupied$102,000
Single-family detached90%

What repairs cost

Published ranges from cost guides, not quotes. More sources, and where they disagree.

WorkRangeSource
Foundation repair, US $2,200 to $8,200 Fixr, January 27, 2026
Pier-and-beam repair, US $2,000 to $15,000 Fixr, January 27, 2026
Foundation inspection, US $300 to $600 Fixr, January 31, 2025

Nearby counties

PlaceDistanceExpansive clayHigh water table
McIntosh County, ND 26 mi 22% 12%
Emmons County, ND 37 mi 14% 7%
Kidder County, ND 41 mi 9% 19%
Stutsman County, ND 43 mi 15% 40%
McPherson County, SD 46 mi 18% 22%
LaMoure County, ND 47 mi 16% 53%
Campbell County, SD 53 mi 18% 13%
Dickey County, ND 54 mi 20% 60%

Sources: USDA SSURGO (May 4, 2026) · US Drought Monitor (October 13, 2026) · FEMA NFIP v3 (September 9, 2026) · NOAA (August 2026) · Census ACS 2020-2024. Methods · Data status