RANKING · 2025 ACS 1-YEAR · 500 SHOWN OF 527

Highest share of homes on septic, US metro areas

US metro areas ranked by the share of occupied homes that drain to a septic tank instead of a public sewer in 2025. The American Community Survey asked this for the first time in 2025, and its 1-year estimates cover only places with 65,000 or more residents. Lake City, FL leads at 82.1%. 527 metro areas qualify in total. North Carolina carries 4 of the top 25 entries. The median across all 527 is 26.3%.

All statesAll rankings

SAME RANKING BYCities Counties States

RANKPLACESTATEPOPHOMES ON SEPTICVS –

USUnited States–18.7%–

01Lake City, FLFL74,09482.1%–

02Barnstable, MAMA233,53980.4%–

03North Wilkesboro, NCNC66,23377.3%–

04Shelton, WAWA71,16575.2%–

05Fort Payne, ALAL74,08572.6%–

06Corbin, KYKY150,04071.9%–

07Oak Harbor, WAWA85,65769.8%–

08Mount Airy, NCNC72,28768.6%–

09Greeneville, TNTN73,83168.1%–

10Putnam, CTCT98,09666.2%–

11Somerset, KYKY67,38465.7%–

12Pikeville, KYKY89,12265.3%–

13Palatka, FLFL77,73465.2%–

14Traverse City, MIMI156,97265.2%–

15East Stroudsburg, PAPA167,17965.0%–

16Cullman, ALAL94,00964.6%–

17Homosassa Springs, FLFL171,66664.3%–

18Brainerd, MNMN100,56263.9%–

19Holland, MIMI123,18863.7%–

20Morehead City, NCNC70,46963.1%–

21Monticello, NYNY80,58662.9%–

22Seneca, SCSC83,77562.3%–

23Athens, TNTN71,59062.3%–

24Crossville, TNTN66,30061.9%–

25Forest City, NCNC65,74561.7%–

26Talladega, ALAL91,76460.5%–

27Morristown, TNTN128,86760.5%–

28Lumberton, NCNC119,94160.4%–

29Lebanon, NHNH224,50059.6%–

30Kingston, NYNY183,33059.5%–

31Lexington Park, MDMD211,17659.4%–

32Marinette, WIWI65,51559.2%–

33Albertville, ALAL103,53758.4%–

34Glens Falls, NYNY124,37357.4%–

35Centralia, WAWA88,06257.3%–

36Cookeville, TNTN152,47756.6%–

37Sevierville, TNTN101,34255.8%–

38Lynchburg, VAVA269,16955.8%–

39Augusta, MEME129,06755.0%–

40Laurel, MSMS82,28154.8%–

41Shelby, NCNC103,32554.7%–

42Massena, NYNY105,48854.4%–

43Oxford, ALAL115,83454.3%–

44Port Angeles, WAWA78,20254.3%–

45Albemarle, NCNC68,83054.1%–

46Truckee, CACA101,91152.8%–

47Keene, NHNH78,26952.4%–

48Dalton, GAGA147,81952.2%–

49Anderson Creek, NCNC150,13752.1%–

50Concord, NHNH158,07851.8%–

51Cleveland, TNTN134,05751.6%–

52Tullahoma, TNTN69,33951.3%–

53Grants Pass, OROR87,86751.0%–

54Corning, NYNY91,85550.9%–

55Sebring, FLFL111,12250.8%–

56Hickory, NCNC376,89050.7%–

57Plattsburgh, NYNY78,13850.4%–

58Ocala, FLFL442,66050.4%–

59Goldsboro, NCNC122,27849.6%–

60Danville, VAVA101,13749.5%–

61Warsaw, ININ80,89249.3%–

62Gainesville, GAGA226,56849.1%–

63Kingsport, TNTN314,83448.7%–

64Greenfield, MAMA70,69848.6%–

65Torrington, CTCT114,69048.5%–

66LaGrange, GAGA107,09748.1%–

67Gadsden, ALAL103,88647.7%–

68Bremerton, WAWA283,37447.6%–

69Bangor, MEME157,96747.5%–

70Olean, NYNY75,39047.4%–

71Searcy, ARAR80,08547.2%–

72Granbury, TXTX70,50147.2%–

73Asheville, NCNC422,34547.2%–

74Pinehurst, NCNC110,61947.1%–

75Salisbury, MDMD131,87247.0%–

76Athens, TXTX88,59546.5%–

77Laconia, NHNH65,14746.5%–

78Thomasville, GAGA72,95846.4%–

79Roanoke Rapids, NCNC63,02546.4%–

80Sanford, NCNC70,25846.1%–

81Owosso, MIMI67,68146.1%–

82Meadville, PAPA81,79245.9%–

83Orangeburg, SCSC83,17745.8%–

84Salem, OHOH99,37745.7%–

85Fairbanks, AKAK93,97245.5%–

86Portland, MEME577,63545.5%–

87Spartanburg, SCSC407,65645.4%–

88Ukiah, CACA88,12245.3%–

89Shawnee, OKOK75,10245.3%–

90Auburn, NYNY74,36544.9%–

91Helena, MTMT97,15344.7%–

92Jefferson, GAGA99,26544.7%–

93Midland, MIMI83,75444.4%–

94Statesboro, GAGA97,97744.3%–

95Lacey, WAWA304,26143.9%–

96Russellville, ARAR84,93243.9%–

97Elkhart, ININ208,77443.8%–

98Florence, ALAL156,60943.7%–

99Mount Pleasant, MIMI64,69143.7%–

100Johnson City, TNTN216,41643.4%–

101Tupelo, MSMS133,16742.7%–

102Somerset, PAPA72,00442.7%–

103Decatur, ALAL160,32642.5%–

104Zanesville, OHOH87,01442.1%–

105Bloomsburg, PAPA66,19341.9%–

106Meridian, MSMS85,41941.7%–

107Wooster, OHOH116,75841.2%–

108Lewiston, MEME116,48741.1%–

109Chillicothe, OHOH76,42941.0%–

110Valdosta, GAGA153,27640.9%–

111Opelousas, LALA80,76540.8%–

112Burlington, VTVT227,80340.2%–

113Kalispell, MTMT115,42940.2%–

114Nacogdoches, TXTX66,03539.8%–

115Richmond, KYKY131,80639.6%–

116Florence, SCSC201,39239.5%–

117Gettysburg, PAPA107,59439.5%–

118Farmington, NMNM120,34039.4%–

119Athens, GAGA224,14839.3%–

120Adrian, MIMI97,77939.2%–

121Show Low, AZAZ109,94639.1%–

122Oxford, MSMS71,97238.9%–

123Jacksonville, NCNC217,17538.6%–

124Winston-Salem, NCNC712,20638.6%–

125Bowling Green, KYKY197,18038.4%–

126Indiana, PAPA82,87838.3%–

127Kiryas Joel, NYNY718,37738.2%–

128Rocky Mount, NCNC148,48638.1%–

129St. Simons, GAGA118,52438.0%–

130Portsmouth, OHOH71,36537.8%–

131Albany, GAGA145,51037.8%–

132Dothan, ALAL156,26637.7%–

133Birmingham, ALAL1,197,76637.3%–

134Rome, GAGA101,37837.2%–

135Hattiesburg, MSMS158,01437.2%–

136Hilo, HIHI210,04337.0%–

137Norwich, CTCT284,01536.8%–

138New Bern, NCNC127,35836.7%–

139Chattanooga, TNTN594,53036.6%–

140Staunton, VAVA129,69236.5%–

141Ithaca, NYNY104,04736.5%–

142Charlottesville, VAVA228,59736.2%–

143Elizabethtown, KYKY128,66636.2%–

144Stevens Point, WIWI71,94336.1%–

145Aberdeen, WAWA78,14436.1%–

146Hinesville, GAGA91,87035.7%–

147Jackson, MIMI159,55235.5%–

148Prescott Valley, AZAZ252,55235.3%–

149Paducah, KYKY102,25935.3%–

150Sumter, SCSC105,06735.1%–

151Columbus, MSMS67,14435.1%–

152Jackson, TNTN184,56934.8%–

153Marquette, MIMI68,06434.8%–

154South Bend, ININ324,53834.8%–

155Sebastian, FLFL172,79934.7%–

156Longview, TXTX297,31534.7%–

157Clearlake, CACA67,77234.6%–

158Winchester, VAVA152,33234.5%–

159Jamestown, NYNY124,12634.5%–

160Seaford, DEDE277,14034.5%–

161Michigan City, ININ111,29434.4%–

162Gallup, NMNM68,11934.1%–

163Auburn, ALAL208,01334.1%–

164Watertown, NYNY111,54033.9%–

165Sierra Vista, AZAZ126,33233.7%–

166Macon-Bibb County, GAGA238,55333.6%–

167Eau Claire, WIWI176,64733.6%–

168Alexandria, LALA147,95233.4%–

169Huntington, WVWV365,96533.3%–

170Hammond, LALA141,34633.2%–

171Manchester, NHNH433,41532.8%–

172Longview, WAWA114,88532.8%–

173Santa Fe, NMNM156,90732.8%–

174Wisconsin Rapids, WIWI74,06032.6%–

175New Philadelphia, OHOH92,37332.6%–

176Lufkin, TXTX88,15432.5%–

177Redding, CACA181,64832.4%–

178Greenville, SCSC1,014,10132.3%–

179Blacksburg, VAVA181,61632.2%–

180Vineland, NJNJ157,14832.2%–

181Monroe, MIMI156,00432.2%–

182Hagerstown, MDMD315,28032.2%–

183Clarksburg, WVWV88,14232.1%–

184Elmira, NYNY80,41532.1%–

185Greenwood, SCSC95,21531.9%–

186Battle Creek, MIMI133,40831.8%–

187Beaver Dam, WIWI89,09731.6%–

188Klamath Falls, OROR70,27431.6%–

189Williamsport, PAPA112,58731.4%–

190Hot Springs, ARAR99,69531.4%–

191Baraboo, WIWI66,65231.4%–

192Harrisonburg, VAVA140,15531.3%–

193Texarkana, TXTX146,81631.3%–

194Muskegon, MIMI177,90131.3%–

195Wausau, WIWI139,43231.2%–

196Alamogordo, NMNM70,36831.1%–

197Binghamton, NYNY243,18931.0%–

198Roanoke, VAVA316,54730.9%–

199Houma, LALA199,66830.9%–

200Wenatchee, WAWA128,41430.9%–

201Burlington, NCNC186,17730.9%–

202Danville, ILIL71,25930.9%–

203Bend, OROR266,37630.8%–

204Mansfield, OHOH124,89330.6%–

205Tuscaloosa, ALAL281,85030.6%–

206Fort Smith, ARAR234,14030.6%–

207Chico, CACA209,21130.6%–

208Knoxville, TNTN968,13730.6%–

209Roseburg, OROR111,95130.5%–

210Whitewater, WIWI106,12730.5%–

211Morgantown, WVWV141,99530.4%–

212Pensacola, FLFL544,94930.4%–

213Springfield, OHOH135,34030.4%–

214Hermitage, PAPA107,86030.4%–

215Yakima, WAWA259,18530.2%–

216Tallahassee, FLFL397,44230.2%–

217Amherst, MAMA164,06530.1%–

218Mount Vernon, WAWA132,97530.1%–

219Utica, NYNY285,61130.0%–

220Rexburg, IDID69,38030.0%–

221Greensboro, NCNC805,94529.8%–

222Joplin, MOMO208,79629.8%–

223Terre Haute, ININ169,24129.8%–

224Marion, ININ66,52429.7%–

225Gainesville, FLFL359,03629.6%–

226St. Joseph, MOMO119,17029.5%–

227Dover, DEDE194,78629.5%–

228Rio Grande City, TXTX66,31929.4%–

229Moses Lake, WAWA105,72729.4%–

230Anchorage, AKAK405,82129.3%–

231Slidell, LALA279,10829.3%–

232Punta Gorda, FLFL217,21229.2%–

233Wilson, NCNC81,15029.0%–

234Kapaa, HIHI73,40028.9%–

235Wheeling, WVWV134,08928.8%–

236Sunbury, PAPA107,78828.7%–

237Lake Havasu City, AZAZ228,10228.7%–

238Missoula, MTMT128,69828.7%–

239Ottawa, ILIL145,90228.7%–

240Panama City, FLFL231,17428.6%–

241Watertown, WIWI86,50528.3%–

242Tyler, TXTX252,54928.3%–

243Huntsville, ALAL556,44428.3%–

244Duluth, MNMN281,21928.2%–

245Augusta, GAGA641,23128.2%–

246DuBois, PAPA78,10028.1%–

247Lake Charles, LALA244,65528.1%–

248Bluefield, WVWV96,13828.1%–

249Muskogee, OKOK66,70828.1%–

250Bloomington, ININ165,23128.0%–

251Saginaw, MIMI187,68827.8%–

252Pine Bluff, ARAR70,21127.7%–

253Columbia, SCSC879,91827.6%–

254Albany, OROR132,84327.6%–

255Farmington, MOMO67,80927.4%–

256Monroe, LALA222,39027.3%–

257Pottsville, PAPA145,08527.2%–

258Montgomery, ALAL388,74727.1%–

259Twin Falls, IDID123,90126.7%–

260Niles, MIMI152,44426.6%–

261Warner Robins, GAGA208,09126.4%–

262Sherman, TXTX153,61326.4%–

263Beckley, WVWV109,94026.4%–

264Bridgeport, CTCT978,17926.3%–

265Bozeman, MTMT128,74026.2%–

266Jonesboro, ARAR139,44026.0%–

267Cape Girardeau, MOMO99,21525.8%–

268Mobile, ALAL411,65825.5%–

269Lewiston, IDID65,45025.4%–

270Daphne, ALAL267,76125.4%–

271Grand Rapids, MIMI1,183,64525.4%–

272Santa Cruz, CACA258,85225.3%–

273Worcester, MAMA888,50225.3%–

274Lafayette, LALA423,75825.1%–

275Quincy, ILIL74,14625.1%–

276Manitowoc, WIWI81,71025.0%–

277Odessa, TXTX173,80125.0%–

278York, PAPA473,19725.0%–

279Albany, NYNY915,83524.9%–

280Marion, ILIL67,22524.9%–

281Sandusky, OHOH112,77724.8%–

282Syracuse, NYNY652,27324.8%–

283Owensboro, KYKY113,96224.8%–

284Greenville, NCNC182,93624.8%–

285New Iberia, LALA66,84624.7%–

286Brigham City, UTUT70,40524.6%–

287St. Cloud, MNMN205,85424.5%–

288Palm Bay, FLFL663,98224.5%–

289Chambersburg, PAPA160,65224.5%–

290Hermiston, OROR93,72124.2%–

291Jefferson City, MOMO152,71224.1%–

292La Crosse, WIWI171,18224.1%–

293Fond du Lac, WIWI104,66924.0%–

294Providence, RIRI1,708,16124.0%–

295Columbus, ININ85,72924.0%–

296Crestview, FLFL315,09823.9%–

297Reading, PAPA440,07223.9%–

298Fayetteville, ARAR622,17723.9%–

299Cumberland, MDMD93,64023.8%–

300Marion, OHOH65,11523.8%–

301Pittsfield, MAMA128,22423.7%–

302Fayetteville, NCNC395,41223.7%–

303Rapid City, SDSD156,93423.7%–

304Kankakee, ILIL105,52523.6%–

305Durham, NCNC625,48523.5%–

306Jackson, MSMS609,84723.4%–

307Idaho Falls, IDID173,85123.3%–

308Clarksville, TNTN349,00123.3%–

309Hartford, CTCT1,171,42623.2%–

310Billings, MTMT193,60323.2%–

311Faribault, MNMN69,93923.1%–

312Cape Coral, FLFL875,60723.1%–

313Atlanta, GAGA6,482,18223.0%–

314Lansing, MIMI479,72222.9%–

315Deltona, FLFL746,93322.8%–

316Springfield, MOMO500,69422.6%–

317Coeur d'Alene, IDID191,86422.6%–

318Lima, OHOH100,88122.5%–

319Richmond, ININ66,16922.4%–

320Waco, TXTX308,80722.4%–

321Bay City, MIMI102,12322.3%–

322Weirton, WVWV112,46822.3%–

323Canton, OHOH400,24622.3%–

324Columbus, GAGA324,83022.1%–

325Yuba City, CACA187,47822.1%–

326Victoria, TXTX99,86422.0%–

327Waterbury, CTCT463,34921.8%–

328Walla Walla, WAWA62,36121.8%–

329Raleigh, NCNC1,595,72021.5%–

330Charlotte, NCNC2,938,83021.5%–

331Bellingham, WAWA236,39221.5%–

332Frankfort, KYKY77,87421.4%–

333Kokomo, ININ83,90421.3%–

334Eureka, CACA131,64721.2%–

335Stillwater, OKOK83,88921.1%–

336Findlay, OHOH75,03421.1%–

337San Angelo, TXTX122,06521.0%–

338Kalamazoo, MIMI263,79520.9%–

339Flagstaff, AZAZ144,36820.8%–

340Yuma, AZAZ224,44920.8%–

341Topeka, KSKS233,05220.7%–

342Lakeland, FLFL874,79020.4%–

343Wilmington, NCNC492,77220.3%–

344Abilene, TXTX185,42920.3%–

345Little Rock, ARAR777,60720.2%–

346Nashville, TNTN2,197,41620.2%–

347Las Cruces, NMNM229,09120.2%–

348Corvallis, OROR97,72820.1%–

349Parkersburg, WVWV87,26420.1%–

350Peoria, ILIL363,50520.0%–

351Gulfport, MSMS431,32920.0%–

352Lafayette, ININ228,46820.0%–

353Allentown, PAPA887,61519.9%–

354Charleston, WVWV200,17019.9%–

355San Luis Obispo, CACA282,36719.9%–

356State College, PAPA157,39319.8%–

357Midland, TXTX193,13919.8%–

358Atlantic City, NJNJ372,04719.6%–

359Hilton Head Island, SCSC242,96619.6%–

360Spokane, WAWA608,01219.5%–

361Huntsville, TXTX83,84219.5%–

362Baton Rouge, LALA888,69919.3%–

363The Villages, FLFL157,77219.3%–

364Kahului, HIHI160,67419.1%–

365Richmond, VAVA1,389,33819.1%–

366Rochester, NYNY1,056,14919.1%–

367Rochester, MNMN231,18419.1%–

368Pueblo, COCO169,27719.0%–

369Lancaster, PAPA563,15918.9%–

370Janesville, WIWI166,47218.9%–

371Boston, MAMA5,034,22118.8%–

372Lebanon, PAPA146,38018.7%–

373Rockford, ILIL337,24218.6%–

374Eugene, OROR381,58418.5%–

375Tulsa, OKOK1,069,27318.4%–

376Kennewick, WAWA324,33418.4%–

377Youngstown, OHOH423,67818.3%–

378Hobbs, NMNM74,74918.2%–

379Green Bay, WIWI336,75618.1%–

380McAllen, TXTX921,54918.1%–

381Santa Rosa, CACA486,44418.0%–

382Savannah, GAGA438,31418.0%–

383Evansville, ININ273,78618.0%–

384Grand Island, NENE78,07617.9%–

385Erie, PAPA265,83217.8%–

386Louisville, KYKY1,402,50917.6%–

387College Station, TXTX287,47617.5%–

388Murrells Inlet, SCSC65,91217.5%–

389Port St. Lucie, FLFL568,72117.5%–

390Ann Arbor, MIMI370,21417.4%–

391Cheyenne, WYWY102,93817.4%–

392Medford, OROR221,79517.4%–

393Heber, UTUT81,65517.2%–

394Dubuque, IAIA99,38117.2%–

395Harrisburg, PAPA617,42717.0%–

396Oklahoma City, OKOK1,512,81317.0%–

397Johnstown, PAPA128,96816.8%–

398Rifle, COCO80,09916.8%–

399Akron, OHOH701,78016.8%–

400Jacksonville, FLFL1,785,50016.8%–

401Mankato, MNMN104,90716.6%–

402Bismarck, NDND139,75016.6%–

403Killeen, TXTX511,49716.6%–

404Scranton, PAPA574,41816.2%–

405Great Falls, MTMT85,02916.1%–

406Merced, CACA297,26015.8%–

407Minot, NDND75,69415.8%–

408Muncie, ININ113,10615.7%–

409Grand Forks, NDND105,04615.7%–

410Lawton, OKOK127,59015.5%–

411Shreveport, LALA383,47415.5%–

412Altoona, PAPA119,54115.1%–

413Appleton, WIWI249,87615.1%–

414Madison, WIWI709,68515.1%–

415Sheboygan, WIWI118,04715.0%–

416Visalia, CACA485,14614.9%–

417New Haven, CTCT578,74114.8%–

418Amarillo, TXTX276,23514.7%–

419Napa, CACA132,94914.7%–

420Naples, FLFL417,13114.6%–

421Davenport, IAIA380,45214.6%–

422Springfield, MAMA464,33814.4%–

423Seattle, WAWA4,161,88314.3%–

424Logan, UTUT160,88914.2%–

425Beaumont, TXTX399,31014.2%–

426Iowa City, IAIA182,71114.2%–

427Clovis, NMNM65,27014.1%–

428Springfield, ILIL206,03314.0%–

429Orlando, FLFL2,957,67214.0%–

430Bakersfield, CACA927,06813.7%–

431San Antonio, TXTX2,813,14013.7%–

432Cedar Rapids, IAIA279,28513.6%–

433Baltimore, MDMD2,857,78113.5%–

434Ames, IAIA128,09013.5%–

435Decatur, ILIL99,30013.4%–

436Indianapolis, ININ2,205,69513.4%–

437Wichita Falls, TXTX149,44813.4%–

438Grand Junction, COCO162,84513.4%–

439Boise City, IDID864,24313.2%–

440Cincinnati, OHOH2,312,85813.1%–

441Riverside, CACA4,769,00713.1%–

442Flint, MIMI401,09313.1%–

443Cedar City, UTUT67,14113.0%–

444Waterloo, IAIA169,18913.0%–

445Pittsburgh, PAPA2,421,99212.8%–

446Bloomington, ILIL171,41912.7%–

447Enid, OKOK61,77912.7%–

448Lubbock, TXTX368,43112.5%–

449Champaign, ILIL239,97912.3%–

450Pocatello, IDID91,59112.2%–

451North Port, FLFL948,15812.1%–

452Fresno, CACA1,203,38312.1%–

453Tampa, FLFL3,418,89511.9%–

454Salem, OROR445,81411.9%–

455Columbus, OHOH2,242,02811.7%–

456Fort Wayne, ININ466,25811.6%–

457Memphis, TNTN1,341,41211.6%–

458Albuquerque, NMNM925,27911.6%–

459Charleston, SCSC889,26311.5%–

460Sioux City, IAIA145,73811.3%–

461Detroit, MIMI4,390,91311.3%–

462Lawrence, KSKS120,92011.2%–

463Corpus Christi, TXTX451,19111.2%–

464Myrtle Beach, SCSC427,55111.1%–

465Reno, NVNV578,73410.9%–

466Minneapolis, MNMN3,790,29510.9%–

467Portland, OROR2,542,28210.9%–

468Salinas, CACA433,72910.8%–

469Tucson, AZAZ1,074,68510.8%–

470Cleveland, OHOH2,165,77510.7%–

471Greeley, COCO378,42610.6%–

472Austin, TXTX2,620,94510.6%–

473Des Moines, IAIA758,53910.4%–

474Lexington, KYKY535,17410.4%–

475St. Louis, MOMO2,814,42110.3%–

476Virginia Beach, VAVA1,797,21310.3%–

477Manhattan, KSKS136,12210.3%–

478Toledo, OHOH599,37610.2%–

479Racine, WIWI198,91910.1%–

480Buffalo, NYNY1,155,6539.9%–

481Kenosha, WIWI168,4489.8%–

482Sioux Falls, SDSD314,6389.7%–

483Fort Collins, COCO377,2929.7%–

484Hanford, CACA154,3279.6%–

485Oshkosh, WIWI174,2189.6%–

486Milwaukee, WIWI1,575,0109.6%–

487Columbia, MOMO219,0629.0%–

488Brownsville, TXTX433,9468.9%–

489Washington, DCDC6,465,7248.9%–

490Kansas City, MOMO2,270,6828.7%–

491Dayton, OHOH826,5548.6%–

492Colorado Springs, COCO781,7968.5%–

493Philadelphia, PAPA6,329,1188.3%–

494Sacramento, CACA2,477,2748.3%–

495Stockton, CACA823,8158.1%–

496Modesto, CACA557,7198.0%–

497New York, NYNY20,112,4487.9%–

498El Centro, CACA181,4117.7%–

499Casper, WYWY80,5267.2%–

500Wichita, KSKS663,8097.2%–

SHOWING 1–500 OF 527

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UPDATED 2026-10-29 · DATA: US CENSUS BUREAU ACS 1-YEAR ESTIMATES

Frequently asked

Which metro area has the highest homes on septic?

Lake City, FL ranks #1 with 82.1% (2025 American Community Survey 1-year estimates).

What are the top 5 metro areas by homes on septic?

Lake City, FL, Barnstable, MA, North Wilkesboro, NC, Shelton, WA, Fort Payne, AL.

How many metro areas are in this ranking?

527 metro areas qualify after filtering for population minimums and data availability. The ranking covers 2025 ACS 1-year data, which the Census Bureau publishes only for places with 65,000 or more residents.

How is homes on septic measured?

Share of occupied homes whose sewage goes to a septic tank or septic system rather than a public sewer (ACS 1-year B25149). Source: US Census Bureau, American Community Survey 1-year estimates (2025).