Counties with the most pre-war homes in Iowa

Written by:
October 20, 2025
Kristi Blokhin // Shutterstock

Counties with the most pre-war homes in Iowa

Pre-war homes—those built before 1939—are architectural gems. They are sturdy, charming, and often what people are referring to when they look at the prevalent colorless, linear designs of today and lament "they just don't make them like they used to."

In some ways, that's a good thing. Pre-war homes often contained materials we know to be hazardous today, like asbestos and lead. But their signature characteristics, including hardwood floors, nickel accents, ornate crown molding, and high ceilings, are among the features many people look for in a dream home.

Preserving the history of these properties, many of which you'll find on the National Register of Historic Places, is labor that often extends beyond the scope of an individual homeowner. Depending on where these homes are located, special permission by local historic commissions may be required before renovations can be done in an effort to preserve their historic architectural integrity.

Stacker compiled a list of counties in Iowa with the most pre-war homes using data from the U.S. Census Bureau. Counties are ranked by the highest percent of homes that were built in 1939 or earlier based on 2023 5-year estimates.

#50. Emmet County

- Homes built 1939 or earlier: 33.3% (1,503 homes)
- Homes built since 2000: 0.1% (4 homes)
- Median year homes built: 1955
- National rank: #219
- Total homes built: 4,517

#49. Louisa County

- Homes built 1939 or earlier: 33.3% (1,579 homes)
- Homes built since 2000: 1.0% (47 homes)
- Median year homes built: 1962
- National rank: #216
- Total homes built: 4,736

#48. Van Buren County

- Homes built 1939 or earlier: 33.3% (1,169 homes)
- Homes built since 2000: 0.5% (17 homes)
- Median year homes built: 1971
- National rank: #215
- Total homes built: 3,506

#47. Floyd County

- Homes built 1939 or earlier: 33.8% (2,467 homes)
- Homes built since 2000: 0.9% (64 homes)
- Median year homes built: 1960
- National rank: #200
- Total homes built: 7,308

#46. Clinton County

- Homes built 1939 or earlier: 33.8% (7,296 homes)
- Homes built since 2000: 0.3% (64 homes)
- Median year homes built: 1958
- National rank: #199
- Total homes built: 21,590

#45. Mahaska County

- Homes built 1939 or earlier: 33.8% (3,284 homes)
- Homes built since 2000: 0.1% (10 homes)
- Median year homes built: 1963
- National rank: #197
- Total homes built: 9,708

#44. Ringgold County

- Homes built 1939 or earlier: 33.9% (907 homes)
- Homes built since 2000: 0.1% (4 homes)
- Median year homes built: 1972
- National rank: #195
- Total homes built: 2,676

#43. Crawford County

- Homes built 1939 or earlier: 34.0% (2,330 homes)
- Homes built since 2000: 0.1% (5 homes)
- Median year homes built: 1963
- National rank: #186
- Total homes built: 6,852

#42. Des Moines County

- Homes built 1939 or earlier: 34.1% (6,396 homes)
- Homes built since 2000: 0.4% (71 homes)
- Median year homes built: 1958
- National rank: #185
- Total homes built: 18,778

#41. Jefferson County

- Homes built 1939 or earlier: 34.2% (2,634 homes)
- Homes built since 2000: 0.3% (20 homes)
- Median year homes built: 1967
- National rank: #182
- Total homes built: 7,707

#40. Grundy County

- Homes built 1939 or earlier: 34.3% (1,881 homes)
- Homes built since 2000: 0.3% (16 homes)
- Median year homes built: 1960
- National rank: #175
- Total homes built: 5,489

#39. Lee County

- Homes built 1939 or earlier: 34.6% (5,465 homes)
- Homes built since 2000: 0.1% (23 homes)
- Median year homes built: 1959
- National rank: #168
- Total homes built: 15,808

#38. Hancock County

- Homes built 1939 or earlier: 34.8% (1,782 homes)
- Homes built since 2000: 1.2% (62 homes)
- Median year homes built: 1959
- National rank: #161
- Total homes built: 5,120

#37. Lucas County

- Homes built 1939 or earlier: 35.0% (1,425 homes)
- Homes built since 2000: 0.2% (10 homes)
- Median year homes built: 1964
- National rank: #156
- Total homes built: 4,077

#36. Guthrie County

- Homes built 1939 or earlier: 35.5% (2,051 homes)
- Homes built since 2000: 0.2% (11 homes)
- Median year homes built: 1969
- National rank: #145
- Total homes built: 5,782

#35. Palo Alto County

- Homes built 1939 or earlier: 35.6% (1,606 homes)
- Homes built since 2000: 0.5% (22 homes)
- Median year homes built: 1957
- National rank: #142
- Total homes built: 4,517

#34. Appanoose County

- Homes built 1939 or earlier: 35.7% (2,257 homes)
- Homes built since 2000: 1.3% (79 homes)
- Median year homes built: 1964
- National rank: #140
- Total homes built: 6,314

#33. Hardin County

- Homes built 1939 or earlier: 36.0% (2,889 homes)
- Homes built since 2000: 0.3% (21 homes)
- Median year homes built: 1954
- National rank: #133
- Total homes built: 8,028

#32. Adair County

- Homes built 1939 or earlier: 36.1% (1,297 homes)
- Homes built since 2000: 0.2% (6 homes)
- Median year homes built: 1958
- National rank: #132
- Total homes built: 3,595

#31. Clayton County

- Homes built 1939 or earlier: 36.4% (3,200 homes)
- Homes built since 2000: 0.5% (41 homes)
- Median year homes built: 1962
- National rank: #123
- Total homes built: 8,791

#30. Sac County

- Homes built 1939 or earlier: 36.6% (1,873 homes)
- Homes built since 2000: 0.4% (18 homes)
- Median year homes built: 1955
- National rank: #121
- Total homes built: 5,122

#29. Fremont County

- Homes built 1939 or earlier: 36.6% (1,147 homes)
- Homes built since 2000: 0.4% (14 homes)
- Median year homes built: 1957
- National rank: #119
- Total homes built: 3,130

#28. Cherokee County

- Homes built 1939 or earlier: 36.8% (2,047 homes)
- Homes built since 2000: 0.0% (2 homes)
- Median year homes built: 1956
- National rank: #114
- Total homes built: 5,555

#27. Cedar County

- Homes built 1939 or earlier: 37.0% (3,048 homes)
- Homes built since 2000: 1.8% (145 homes)
- Median year homes built: 1962
- National rank: #113
- Total homes built: 8,238

#26. Montgomery County

- Homes built 1939 or earlier: 37.1% (1,861 homes)
- Homes built since 2000: 0.1% (4 homes)
- Median year homes built: 1955
- National rank: #109
- Total homes built: 5,011

#25. Butler County

- Homes built 1939 or earlier: 37.4% (2,455 homes)
- Homes built since 2000: 0.5% (32 homes)
- Median year homes built: 1956
- National rank: #103
- Total homes built: 6,569

#24. Winneshiek County

- Homes built 1939 or earlier: 37.4% (3,374 homes)
- Homes built since 2000: 0.1% (8 homes)
- Median year homes built: 1960
- National rank: #102
- Total homes built: 9,011

#23. Greene County

- Homes built 1939 or earlier: 37.7% (1,629 homes)
- Homes built since 2000: 0.7% (30 homes)
- Median year homes built: 1954
- National rank: #95
- Total homes built: 4,316

#22. Monona County

- Homes built 1939 or earlier: 37.9% (1,662 homes)
- Homes built since 2000: 0.4% (17 homes)
- Median year homes built: 1955
- National rank: #94
- Total homes built: 4,390

#21. Osceola County

- Homes built 1939 or earlier: 38.1% (1,091 homes)
- Homes built since 2000: 0.1% (4 homes)
- Median year homes built: 1954
- National rank: #89
- Total homes built: 2,867

#20. Washington County

- Homes built 1939 or earlier: 38.2% (3,684 homes)
- Homes built since 2000: 0.6% (61 homes)
- Median year homes built: 1962
- National rank: #87
- Total homes built: 9,638

#19. Tama County

- Homes built 1939 or earlier: 38.6% (2,929 homes)
- Homes built since 2000: 0.2% (13 homes)
- Median year homes built: 1956
- National rank: #81
- Total homes built: 7,595

#18. Union County

- Homes built 1939 or earlier: 38.7% (2,238 homes)
- Homes built since 2000: 0.1% (8 homes)
- Median year homes built: 1961
- National rank: #79
- Total homes built: 5,790

#17. Mitchell County

- Homes built 1939 or earlier: 39.7% (1,945 homes)
- Homes built since 2000: 0.6% (29 homes)
- Median year homes built: 1956
- National rank: #67
- Total homes built: 4,902

#16. Adams County

- Homes built 1939 or earlier: 39.7% (751 homes)
- Homes built since 2000: 0.3% (6 homes)
- Median year homes built: 1954
- National rank: #66
- Total homes built: 1,892

#15. Pocahontas County

- Homes built 1939 or earlier: 39.7% (1,452 homes)
- Homes built since 2000: 0.1% (2 homes)
- Median year homes built: 1951
- National rank: #65
- Total homes built: 3,658

#14. Boone County

- Homes built 1939 or earlier: 39.8% (4,775 homes)
- Homes built since 2000: 0.2% (24 homes)
- Median year homes built: 1957
- National rank: #63
- Total homes built: 12,005

#13. Franklin County

- Homes built 1939 or earlier: 39.8% (1,853 homes)
- Homes built since 2000: 0.0% (2 homes)
- Median year homes built: 1953
- National rank: #62
- Total homes built: 4,657

#12. Hamilton County

- Homes built 1939 or earlier: 39.9% (2,813 homes)
- Homes built since 2000: 0.4% (30 homes)
- Median year homes built: 1955
- National rank: #61
- Total homes built: 7,056

#11. Cass County

- Homes built 1939 or earlier: 40.1% (2,562 homes)
- Homes built since 2000: 0.2% (12 homes)
- Median year homes built: 1954
- National rank: #58
- Total homes built: 6,397

#10. Howard County

- Homes built 1939 or earlier: 40.2% (1,733 homes)
- Homes built since 2000: 1.0% (42 homes)
- Median year homes built: 1954
- National rank: #54
- Total homes built: 4,314

#9. Ida County

- Homes built 1939 or earlier: 40.4% (1,360 homes)
- Homes built since 2000: 0.2% (8 homes)
- Median year homes built: 1952
- National rank: #49
- Total homes built: 3,365

#8. Fayette County

- Homes built 1939 or earlier: 41.2% (3,837 homes)
- Homes built since 2000: 0.1% (9 homes)
- Median year homes built: 1953
- National rank: #40
- Total homes built: 9,324

#7. Audubon County

- Homes built 1939 or earlier: 42.0% (1,170 homes)
- Homes built since 2000: 0.1% (4 homes)
- Median year homes built: 1950
- National rank: #34
- Total homes built: 2,786

#6. Taylor County

- Homes built 1939 or earlier: 42.1% (1,216 homes)
- Homes built since 2000: 0.0% (0 homes)
- Median year homes built: 1952
- National rank: #32
- Total homes built: 2,890

#5. Worth County

- Homes built 1939 or earlier: 42.6% (1,484 homes)
- Homes built since 2000: 0.8% (28 homes)
- Median year homes built: 1949
- National rank: #29
- Total homes built: 3,487

#4. Page County

- Homes built 1939 or earlier: 42.8% (2,994 homes)
- Homes built since 2000: 0.5% (38 homes)
- Median year homes built: 1951
- National rank: #27
- Total homes built: 6,996

#3. Harrison County

- Homes built 1939 or earlier: 44.8% (2,989 homes)
- Homes built since 2000: 0.8% (53 homes)
- Median year homes built: 1952
- National rank: #23
- Total homes built: 6,679

#2. Keokuk County

- Homes built 1939 or earlier: 45.1% (2,095 homes)
- Homes built since 2000: 0.7% (33 homes)
- Median year homes built: 1953
- National rank: #22
- Total homes built: 4,650

#1. Shelby County

- Homes built 1939 or earlier: 47.9% (2,602 homes)
- Homes built since 2000: 0.1% (6 homes)
- Median year homes built: 1946
- National rank: #7
- Total homes built: 5,429

Trending Now