Iowa la mot tieu bang thuoc mien Trung Tay Hoa Ky. Iowa giap voi Minnesota ve phia bac, Nebraska va Nam Dakota ve phia tay, Missouri ve phia nam, va Wisconsin va Illinois ve phia đong. No co hai ten hieu la "Tieu bang Ngo cao" (The Tall Corn State) va "Tieu bang Hawkeye" (The Hawkeye State) theo ten Black Hawk.
Đay la noi sinh cua Tong thong Herbert Hoover (tai West Branch).


Đia ly Song Mississippi la đuong bien gioi phia đong cua tieu bang. Ranh gioi ben tay gom song Missouri tu Thanh pho Sioux tro ve phia nam va song Big Sioux tro ve phia bac. Co vai ho tu nhien o tieu bang nay, noi tieng nhat la ho Linh hon (Spirit Lake), ho Tay Okoboji, va ho Đong Okoboji vao mien tay bac cua Iowa (xem Iowa Great Lakes). Cac ho nhan tao bao gom ho Odessa, ho Saylorville, ho Đa đo (Lake Red Rock), va ho Rathbun.
Đia hinh cua tieu bang la đong bang đoi nho. Nhung đoi hoang tho nam tren đuong bien gioi tay cua tieu bang. Vai trong nhung đoi nay day đen vai tram foot. Vao mien đong bac theo song Mississippi co mot phan cua Đoi Phi đat boi, o đay đat co nhung đoi go ghe thap co cay tung bach – loai đat bat thuong trong Idaho.
Noi thap nhat la Keokuk o mien đong nam Iowa, co đo cao 146 met (480 foot). Noi cao nhat, cao 509 m (1.670 foot), la đinh Hawkeye, nam o trai nuoi suc vat ve phia bac cua Sibley vao mien tay bac cua Iowa. Đo cao trung binh cua tieu bang la 335 m (1.099 foot). Tieu bang trai qua 145.743 km² (56.271 dam vuong), tuc la đo cao chi thay đoi ti.
Iowa co 99 quan. Thu đo la Des Moines, thuoc ve Quan Polk.
Cac vung duoi quyen Dich vu Vuon Quoc gia bao gom:

Khu ky niem Quoc gia Effigy Mounds (Effigy Mounds National Monument) gan Harpers Ferry
Khu luu niem Quoc gia Herbert Hoover tai West Branch
Đuong lich su Quoc gia Lewis va Clark
Đuong lich su Quoc gia Nha tham hiem Mormon (Mormon Pioneer National Historic Trail)


= Cac thanh pho quan trong =
Cac thong ke dan so trong ngoac đon dua tren so uoc luoc nam 2004, tru cac so co dau *, nhung con so đo đuoc lay tu cuoc đieu tra dan so đac biet nam 2005. Cac so khu vuc thong ke đo thi đuoc uoc luong nam 2005.
Cac khu vuc đo thi hon 100.000 nguoi:

Des Moines (194.311 / MSA 522.454), thu phu
Cedar Rapids (122.206 / MSA 246.412)
Davenport (98.355 / MSA 376.309), vi tri cua Đai hoc Thanh Ambrose va thanh pho lon nhat cua nhom Quad Cities
Thanh pho Sioux (Sioux City; 83.680 / MSA 142.571)
Waterloo (66.767 / MSA 161.897)
Thanh pho Iowa (63.027 / MSA 138.524), vi tri cua Đai hoc Iowa
Council Bluffs (59.347 / MSA 813.170), thuoc ve khu vuc đo thi Omaha, Nebraska

Cac thanh pho hon 10.000 nguoi:

Dubuque (57.504 / MSA 91.631), thi tran đai hoc, trung tam san xuat, va cang tren song
Ames (52.319 / MSA 79.952), vi tri cua Đai hoc Tieu bang Iowa
Tay Des Moines (*51.744), ngoai o Des Moines va trung tam bao hiem
Cedar Falls (36.343), vi tri cua Đai hoc Bac Iowa va thuoc khu vuc đo thi Waterloo
Ankeny (*36.161), ngoai o Des Moines
Urbandale (*35.904), ngoai o Des Moines
Bettendorf (31.615), thuoc nhom Quad Cities
Marion (29.825), ngoai o Cedar Rapids
Thanh pho Mason (28.177), thanh pho noi tieng ve san xuat xi mang
Clinton (27.319), thi tran cong nghiep tren bo song
Marshalltown (26.057), vi tri cua Nha Cuu chien binh Iowa (Iowa Veterans Home) va noi tieng ve san xuat lo suoi va van
Fort Dodge (25.723), noi tieng ve thuoc cho tho mo va thu vat
Burlington (25.579), thi tran cong nghiep tren bo song
Ottumwa (24.680), thi tran cong nghiep tren bo song
Muscatine (22.713), vi tri cua nhieu nha may hoa hoc
Coralville (17.528), ngoai o Thanh pho Iowa
Newton (15.696), vi tri cua tong hanh dinh Cong ty Maytag
Clive (13.598), ngoai o Des Moines
Johnston (*13.596), ngoai o Des Moines
Boone (12.856), trung tam quan trong cua Đuong sat Union Pacific
Altoona (12.107), ngoai o Des Moines
Spencer (11.063)
Oskaloosa (10.945), vi tri cua Đai hoc William Penn
Fort Madison (10.944), vi tri cua Nha tu Tieu bang Iowa
Keokuk (10.845), cang tren song o mien xa đong nam
Pella (10.182), vi tri cua tong hanh dinh Pella Windows, Đai hoc Trung uong (Central College), nha cua Wyatt Earp khi con nho, va Tulip Fest


Xem them Đai hoc Iowa


Ghi chu Tham khao Lien ket ngoai Website chinh thuc cua Tieu bang Iowa (tam ngon ngu)
Bo luat Iowa Luu tru ngay 8 thang 4 nam 2005 tai Wayback Machine – Đai hoi đong Iowa (tieng Anh)