RCLX
Fiber market lookup

Where fiber is being built in Iowa

As of Dec 31, 2025, FCC filings show fiber at 73% of Iowa's 1.7 million homes, and the number of fiber homes grew 8.1% from June 30, 2025.

Fiber was filed in 483 of 511 Iowa cities and towns with 250 or more homes. In 413 of them it reached more than half of homes, and in the typical one it reached 99.5%.

Nationally, fiber was filed at 55.8% of homes. FCC Broadband Data Collection, residential units, 25/3 Mbps or faster. Filed by the providers themselves. How this is computed

Every county

Iowa counties

Pick a county for its full set of measures, grants and providers. Shares are of residential units, FCC filing as of Dec 31, 2025; growth is from June 30, 2025.

CountyHomesFiber shareCable, no fiberFiber home growth
Adair County4,51559.9%at least 7.5%+7.1%
Adams County2,74022%at least 29.3%+1.5%
Allamakee County9,07475.9%at least 19.1%-3.1%
Appanoose County8,26973.5%at least 12.1%+35.8%
Audubon County3,86059%at least 7.6%-1.9%
Benton County12,62189.4%at least 1.1%+13.1%
Black Hawk County64,20891.8%at least 6.9%+2.7%
Boone County13,66565.8%at least 18%+3.1%
Bremer County12,02297.5%at least 0.5%+1.3%
Buchanan County10,54672.4%at least 8.7%+12.5%
Buena Vista County10,20112.7%at least 52.9%+45.3%
Butler County7,89987%at least 7.3%+0.1%
Calhoun County6,15070.2%at least 7.6%-0.9%
Carroll County11,78887.2%at least 0.1%-1.3%
Cass County7,77858.4%at least 34%+16.7%
Cedar County10,07287.7%at least 4.7%no change
Cerro Gordo County25,79690.8%at least 7.5%+0.5%
Cherokee County7,03963.3%at least 29.4%-0.1%
Chickasaw County6,49368.4%none filed-1.6%
Clarke County5,61544.7%at least 27.7%-0.2%
Clay County9,85790.1%at least 5.7%-0.9%
Clayton County10,79890.1%at least 3.9%-3.6%
Clinton County24,42675.6%at least 18.3%+56.8%
Crawford County8,39455.4%at least 10.9%+0.2%
Dallas County52,18972.7%at least 21.7%+3.4%
Davis County4,85299.5%none filed-3.2%
Decatur County4,59898.7%none filed-4.9%
Delaware County9,81862.3%at least 7%+6.6%
Des Moines County21,18575.5%at least 18.4%+50.8%
Dickinson County17,26191.2%at least 7.3%+14.4%
Dubuque County48,10770.1%at least 24.5%+3.1%
Emmet County5,65393.5%none filed-1.8%
Fayette County11,00481.7%at least 13.5%+33.1%
Floyd County8,29854.6%at least 33.6%+1.9%
Franklin County6,02963.4%at least 1.9%+0.2%
Fremont County4,30443.8%at least 15.1%+1.5%
Greene County5,39689.3%none filed-2.9%
Grundy County6,48967.4%at least 11.5%+71.6%
Guthrie County7,10577%at least 5.3%-3.8%
Hamilton County8,47392.7%none filed-1.8%
Hancock County6,30891.5%none filed-0.7%
Hardin County9,91676.1%at least 10.8%-2.1%
Harrison County8,36725.9%at least 18.3%+10%
Henry County10,12262.1%at least 16.1%+55%
Howard County5,33752%at least 21.9%+0.2%
Humboldt County5,84362.6%at least 10.8%-1.5%
Ida County4,21465.1%at least 20.9%+17.9%
Iowa County8,70988.5%at least 1.6%+14.9%
Jackson County11,08990.4%at least 0.4%-2.9%
Jasper County18,35863.6%at least 17.6%-0.3%
Jefferson County9,43959.6%at least 17.8%+4.2%
Johnson County75,51981.3%at least 17.5%+34.6%
Jones County10,49384.9%at least 7.3%-0.5%
Keokuk County6,31756.3%at least 0.9%-4.4%
Kossuth County9,40853.4%at least 28.3%+0.9%
Lee County17,97953.9%at least 18.2%+604.1%
Linn County114,21145.5%at least 52%+19.1%
Louisa County5,85336.2%at least 20.3%+2.2%
Lucas County4,88429.6%at least 22%+3.7%
Lyon County6,42688.2%at least 9.8%-3%
Madison County8,34142.2%at least 34.2%+21.9%
Mahaska County11,46781.5%none filed+9.5%
Marion County16,58857.7%at least 17.1%+5.2%
Marshall County19,08585.8%at least 10.5%+2%
Mills County7,37996.5%at least 0.9%-0.7%
Mitchell County6,01353.6%at least 33.5%-0.3%
Monona County5,60115.2%at least 42.1%+13.8%
Monroe County4,79334.8%at least 29.9%+133.1%
Montgomery County6,08880.8%at least 18.8%+3.6%
Muscatine County20,56878.9%at least 0.3%-0.5%
O'Brien County8,33289.2%none filed-0.9%
Osceola County3,86771.9%at least 7%-10.4%
Page County8,52795.8%at least 1.6%-1.8%
Palo Alto County5,84163.6%at least 12.9%-0.9%
Plymouth County13,12096.3%at least 2.9%-1.7%
Pocahontas County5,04242.5%at least 14.5%-2.8%
Polk County245,72578.6%at least 19.9%+5.8%
Pottawattamie County44,34161.5%at least 32.2%+26.6%
Poweshiek County10,58075.6%at least 0.5%+1.5%
Ringgold County3,9046.2%at least 25.8%+1.2 points (small June base)
Sac County6,72391.7%at least 1.4%+4.4%
Scott County86,41184.8%at least 13.3%+2.7%
Shelby County6,85981.7%at least 2.5%-0.2%
Sioux County16,65484.1%at least 15.1%-1.4%
Story County46,36969.4%at least 26.3%+5.4%
Tama County9,12946.5%at least 18.8%+2.6%
Taylor County4,26967.8%none filed+29.4%
Union County6,98547.3%at least 30.7%+13.9%
Van Buren County4,97279.7%none filed+0.1%
Wapello County17,78065%at least 33.3%+19.8%
Warren County24,74772.1%at least 7.2%+2.6%
Washington County11,81882.6%none filed-2.2%
Wayne County4,34984.2%none filed+11%
Webster County19,57789.4%at least 9.6%-0.5%
Winnebago County5,989100%none filed-2.2%
Winneshiek County10,80946.2%at least 39.1%-0.2%
Woodbury County47,86276.8%at least 19.8%+6.7%
Worth County4,182100%none filed-2.2%
Wright County7,84871.1%at least 3%+12.9%
Largest cities and towns

The 30 largest places in Iowa

By number of homes. Search above for any of the other 998 cities and towns.

City or townHomesFiber shareCable, no fiberFiber home growth
Des Moines105,01482.3%at least 17.3%+9.9%
Cedar Rapids69,23834.2%at least 65.4%+24.1%
Davenport51,94387.4%at least 11.8%+0.6%
West Des Moines38,25670.8%at least 25.9%-0.1%
Sioux City37,37377.1%at least 21.8%+0.4%
Ankeny35,62575.2%at least 23.3%+1%
Waterloo34,51792.7%at least 7%+3.1%
Iowa City33,87772.8%at least 26.3%+8.9%
Ames30,15864.4%at least 35%+6.7%
Dubuque29,11767.7%at least 31.1%+6.1%
Council Bluffs29,05560.6%at least 37.7%+43.7%
Urbandale21,58381.6%at least 18.3%+3.3%
Marion19,83663.9%at least 35.7%+2.8%
Bettendorf18,17696.9%at least 3%+0.1%
Cedar Falls17,755100%none filed-0.9%
Mason City15,29586.8%at least 12.7%+1.2%
Waukee13,21896.5%at least 3%-1.4%
Burlington12,98681.9%at least 17.8%+100%
Coralville12,94285.7%at least 14.2%+5.6%
Clinton12,90881.4%at least 17.5%+168.6%
Marshalltown12,52386.6%at least 13.1%+0.8%
Johnston12,26476.1%at least 20.6%+0.8%
Fort Dodge12,11984.7%at least 14.6%+0.2%
Ottumwa11,97753.3%at least 46.5%+44.9%
Muscatine11,23591.7%none filed-2.2%
North Liberty10,009100%none filed+100 points (small June base)
Altoona9,67676.1%at least 22.6%+4%
Clive9,22080.1%at least 19.8%+1.1%
Grimes7,95971.5%at least 24.2%-0.4%
Newton7,46899.9%none filed-0.3%

The data

Every number on this page traces to one cell in the download. Source: FCC Broadband Data Collection, Fixed Broadband Summary by Geography, filings as of June 30, 2025 and Dec 31, 2025. Census figures: ACS 5-year estimates, 2020 to 2024. Grants: FCC Broadband Funding Map and the state broadband office.

Download Iowa (CSV)Raw JSONMethodology
Knock fiber with RCLX

Found a market? Talk to a recruiter.

Leave your name and number and a recruiter calls you back. Bring the agency checklist to the call and ask every question on it.

Figures come from provider filings with the FCC, which providers report themselves and which can be challenged. Nothing on this page is a promise of territory, earnings or service at any address.

Apply in 30 seconds

I’m here to