Counties

Water damage help by Iowa county

Each county page combines Census housing data with ten years of daily NOAA weather data, so the advice fits the homes and winters where you live.

Counties with a local guide

County	Seat	Homes	Built pre-1980	Freeze nights ≤ 20°F	1"+ rain days
Adair	Greenfield	3,568	77%	60	7.4
Adams	Corning	1,889	73%	58	7.9
Allamakee	Waukon	7,761	58%	67	9.3
Appanoose	Centerville	6,312	73%	54	7.2
Audubon	Audubon	2,790	84%	65	8.2
Benton	Vinton	11,114	64%	66	6.5
Black Hawk	Waterloo	58,991	70%	66	7.7
Boone	Boone	12,041	69%	60	6.9
Bremer	Waverly	10,585	68%	69	8.8
Buchanan	Independence	8,945	61%	69	7.2
Buena Vista	Storm Lake	8,293	74%	72	5.2
Butler	Allison	6,570	73%	68	8
Calhoun	Rockwell City	4,798	81%	69	5.8
Carroll	Carroll	9,560	72%	66	6.8
Cass	Atlantic	6,393	79%	58	7.2
Cedar	Tipton	8,300	68%	57	7
Cerro Gordo	Mason City	22,786	74%	73	7.2
Cherokee	Cherokee	5,557	84%	74	6.8
Chickasaw	New Hampton	5,542	71%	72	8.6
Clarke	Osceola	4,522	63%	53	7.7
Clay	Spencer	8,157	70%	76	6.5
Clayton	Elkader	8,796	68%	66	8.9
Clinton	Clinton	21,581	77%	51	8.5
Crawford	Denison	6,869	76%	66	7.3
Dallas	Adel	44,804	22%	56	6.1
Davis	Bloomfield	3,612	65%	49	7.2
Decatur	Leon	3,659	63%	51	7.8
Delaware	Manchester	8,169	66%	65	8
Des Moines	Burlington	18,802	75%	45	8.2
Dickinson	Spirit Lake	14,206	52%	81	7.3
Dubuque	Dubuque	43,288	63%	58	8.5
Emmet	Estherville	4,520	88%	81	6
Fayette	West Union	9,320	75%	71	9.1
Floyd	Charles City	7,306	83%	72	8.7
Franklin	Hampton	4,657	85%	69	7
Fremont	Sidney	3,125	75%	50	7.5
Greene	Jefferson	4,319	76%	63	7.5
Grundy	Grundy Center	5,498	75%	64	7.1
Guthrie	Guthrie Center	5,808	67%	61	7
Hamilton	Webster City	7,040	79%	66	6.7
Hancock	Garner	5,116	77%	76	7.2
Hardin	Eldora	8,011	84%	65	6.5
Harrison	Logan	6,698	72%	60	7.4
Henry	Mount Pleasant	8,445	68%	50	7.2
Howard	Cresco	4,320	77%	77	8.6
Humboldt	Dakota City	4,603	76%	72	5.7
Ida	Ida Grove	3,369	84%	68	5.9
Iowa	Marengo	7,369	66%	58	6.6
Jackson	Maquoketa	9,282	68%	54	9
Jasper	Newton	16,249	73%	56	6.6
Jefferson	Fairfield	7,706	65%	51	6.7
Johnson	Iowa City	68,217	37%	58	6.7
Jones	Anamosa	8,889	63%	56	7.8
Keokuk	Sigourney	4,647	80%	55	5.9
Kossuth	Algona	7,205	78%	77	6.3
Lee	Keokuk	15,794	77%	43	8.1
Linn	Cedar Rapids	103,104	53%	62	6.8
Louisa	Wapello	4,739	70%	49	7.3
Lucas	Chariton	4,074	75%	53	6.6
Lyon	Rock Rapids	4,870	65%	80	6.4
Madison	Winterset	7,100	55%	56	6.5
Mahaska	Oskaloosa	9,728	67%	54	5.6
Marion	Knoxville	14,386	61%	54	6.1
Marshall	Marshalltown	16,937	78%	60	6.5
Mills	Glenwood	6,134	61%	53	7.1
Mitchell	Osage	4,950	75%	74	8.4
Monona	Onawa	4,372	74%	64	5.7
Monroe	Albia	3,656	64%	52	6.2
Montgomery	Red Oak	5,005	76%	54	8
Muscatine	Muscatine	18,454	65%	54	7.7
O'Brien	Primghar	6,564	74%	78	6.9
Osceola	Sibley	2,868	82%	81	6.5
Page	Clarinda	7,004	82%	51	7.7
Palo Alto	Emmetsburg	4,535	76%	76	6.2
Plymouth	Le Mars	10,891	63%	71	6.3
Pocahontas	Pocahontas	3,651	86%	74	6
Polk	Des Moines	218,486	49%	54	7
Pottawattamie	Council Bluffs	40,083	66%	56	6.9
Poweshiek	Montezuma	8,975	65%	58	7.4
Ringgold	Mount Ayr	2,678	58%	52	8.4
Sac	Sac City	5,118	81%	68	5.3
Scott	Davenport	78,537	63%	48	8.2
Shelby	Harlan	5,441	79%	63	7.3
Sioux	Orange City	13,285	63%	78	6.8
Story	Nevada	41,887	47%	59	7.8
Tama	Toledo	7,595	76%	63	6.1
Taylor	Bedford	2,889	81%	52	8.5
Union	Creston	5,785	73%	56	7.4
Van Buren	Keosauqua	3,490	67%	49	7.1
Wapello	Ottumwa	15,730	76%	50	4.9
Warren	Indianola	21,921	46%	53	7
Washington	Washington	9,657	66%	53	6
Wayne	Corydon	3,019	69%	54	7.6
Webster	Fort Dodge	17,082	78%	68	5.7
Winnebago	Forest City	5,077	84%	78	7
Winneshiek	Decorah	9,029	67%	70	9.2
Woodbury	Sioux City	43,388	74%	67	5.9
Worth	Northwood	3,474	82%	77	8.2
Wright	Clarion	6,278	80%	72	6.5

Housing: ACS 2020-2024. Weather: NOAA nClimGrid-Daily, 2015–2024, per year.

Other Iowa counties

We're adding these. Until then, the call line still works anywhere in Iowa, and the nearest county guide is linked.