Home age in ZIP 45406, Dayton, OH: median built 1954

Home age is not roof age, and the Census does not record replacements. ZIP 45406 in Dayton, OH: median home built 1954; 96.2% of homes (10,292) are older than 25 years and 1% (107) were built since 2010, out of 10,695 homes.

U.S. Census Bureau, American Community Survey 2019 to 2023 (5-year estimates), retrieved October 9, 2026. Area = Census ZIP Code Tabulation Area 45406.

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Share of homes in ZIP 45406 by decade builtColumns from the pre-1940 decade on the left to 2020 and later on the right. pre-1940 23.7 percent; 1940s 17.9 percent; 1950s 23.8 percent; 1960s 15.6 percent; 1970s 8.8 percent; 1980s 5.6 percent; 1990s 0.7 percent; 2000s 2.8 percent; 2010s 0.9 percent; 2020+ 0.1 percentpre-1940: 2,530 homes, 23.7%23.7%pre-1940Montgomery County: 15.7%1940s: 1,918 homes, 17.9%17.9%1940sMontgomery County: 7.6%1950s: 2,550 homes, 23.8%23.8%1950sMontgomery County: 17.0%1960s: 1,672 homes, 15.6%15.6%1960sMontgomery County: 16.8%1970s: 946 homes, 8.8%8.8%1970sMontgomery County: 16.7%1980s: 604 homes, 5.6%5.6%1980sMontgomery County: 9.3%1990s: 72 homes, 0.7%0.7%1990sMontgomery County: 7.5%2000s: 296 homes, 2.8%2.8%2000sMontgomery County: 6.2%2010s: 97 homes, 0.9%0.9%2010sMontgomery County: 2.8%2020+: 10 homes, 0.1%0.1%2020+Montgomery County: 0.4%Built 1999 or earlier: 96.2% of homes (10,292)ZIP 45406, built before 2000built 2000 or laterMontgomery County

Share of the 10,695 housing units in the ZIP, by decade built. The red marks are Montgomery County. This counts houses, not roofs: a roof is replaced several times in the life of a house, and no federal survey records when.

ZIP 45406 next to Dayton and Montgomery County

IndicatorZIP 45406DaytonMontgomery CountyRank among 6 ZIPs of Dayton on this site
Housing units10,69569,640252,4752nd of 6 largest
Median year built1954195119666th of 6 oldest
Built before 198089.9%85.8%73.8%
Built before 200096.2%no data90.6%3rd of 6 highest share
Built since 20101%no data3.2%
Owner-occupied homes48.4%48.2%62.3%2nd of 6 highest share
Single-family units71.1%70.2%no data
Median home value$82,300 (+/- $3,494)$93,200$167,4004th of 6 highest
Median household income$43,241 (+/- $3,533)$43,454no data3rd of 6 highest

City figures are for the Census place, county figures for the county; “no data” means the Census file does not publish that figure. Value and income are survey estimates, the plus-or-minus is the 90% margin of error.

Every decade in ZIP 45406

BuiltShare of Montgomery CountyShare of ZIPHomes in ZIP 45406
2020+0.4%0.1%10
2010s2.8%0.9%97
2000s6.2%2.8%296
1990s7.5%0.7%72
1980s9.3%5.6%604
1970s16.7%8.8%946
1960s16.8%15.6%1,672
1950s17.0%23.8%2,550
1940s7.6%17.9%1,918
pre-194015.7%23.7%2,530

Counts are Census estimates of housing units by year built (table B25034). If a roof had never been replaced, it would be 3 to 6 years old on a house from the 2020s, 17 to 26 on one from the 2000s, 37 to 46 on one from the 1980s and 87 or more on one from before 1940. Most older houses have had at least one replacement, and the Census does not record when.

What the numbers say about ZIP 45406

ZIP 45406 has 10,695 housing units: 10,292 (96.2%) were built before 2000, 107 (1%) in 2010 or later, and 2,550 (23.8%) in the 1950s, its largest era. The median year built is 1954 (Dayton: 1951), so 3 years newer than the city.

Housing mix and money, from the same survey: 48.4% of occupied homes are owner-occupied; 71.1% of units are single-family houses; the median owner-occupied home is valued at $82,300, give or take $3,494; median household income is $43,241, give or take $3,533; the ZIP holds 15.4% of the housing units the Census counts in Dayton, 10,695 of them. These are survey estimates with margins of error, and for a small ZIP the margin can be wide.

Reading this for roofs, carefully: the Census records when a house was built, never when its roof was last replaced. If every roof were still the one installed with its house, 10,220 units (95.6%, built before 1990) would be past the 30-year top of the usual asphalt-shingle range, 72 (0.7%, the 1990s) would mostly sit past it, 296 (2.8%, the 2000s) would mostly be inside the 20 to 30 year window and 107 (1%, 2010 onward) would be younger than it. Most older roofs have been replaced, so treat these as the pool of houses where an old roof is possible, not as a count of old roofs.

Roof age calculator for ZIP 45406

Enter the year your house was built, and the year the roof was last replaced if you know it. It starts at the median year built for this ZIP. The share of neighbours’ homes older than yours comes from this ZIP’s own decade counts.

–years old (roof)
–of homes in ZIP 45406 are older
–vs. the ZIP median year built

Material ranges are general planning figures (the same ones as on our roof-age page), not warranties. Sun, storms, attic ventilation and installation quality move them. The decade shares assume homes were built evenly within each decade. This is not an inspection: a roofer on the roof decides.

Map: ZIP 45406 among Dayton’s ZIP areas

Map of ZIP 45406 and nearby ZIP areas, shaded by the share of homes built before 2000ZIP 45405: 11,773 homes, 95% built before 2000, median year 194645405ZIP 45410: 8,028 homes, 98.1% built before 2000, median year 193845410ZIP 45403: 7,429 homes, 97.9% built before 2000, median year 194645403ZIP 45402: 6,484 homes, 85.6% built before 2000, median year 193845402ZIP 45404: 4,846 homes, 90.6% built before 2000, median year 195245404ZIP 45406: 10,695 homes, 96.2% built before 2000, median year 195445406
  • under 20% built before 2000
  • 40 to 60%
  • 80% or more
  • Dot size = housing units. Red ring = ZIP 45406. Click a dot to open that ZIP.

Closest ZIP areas

ZIPMilesMedian builtPre-2000
454051.5 E194695.0%
454022.5 SE193885.6%
454044.8 E195290.6%
454105.1 SE193898.1%
454035.1 E194697.9%

Distance is between Census ZIP centres.

Storm backdrop: Montgomery County

A ZIP is too small for its own hail record, so this is the county. FEMA’s National Risk Index rates Montgomery County Relatively Moderate overall (92.7 of 100), Relatively High for hail (95.7), Relatively High for strong wind (97.5) and Relatively High for tornado (92.6). NOAA logged 71 hail reports in the county, on 12 days with hail of 1 inch or more in the full years 2014 to 2025.

FEMA National Risk Index, December 2025 version, county level. This product uses FEMA’s National Risk Index data but is not endorsed by FEMA.

Where to go from here

Other roofing cities near ZIP 45406: Springfield, OH (25 miles), Hamilton, OH (32 miles), Muncie, IN (67 miles).

Questions

How old are the homes in ZIP 45406?

Of the 10,695 housing units, 9,616 (89.9%) were built before 1980, 10,292 (96.2%) before 2000 and 107 (1%) from 2010 on (Census ACS 2019 to 2023, survey estimate).

Does a house's age tell me how old its roof is in 45406?

No. ACS records the year the structure was built, not the year the roof was last replaced. With 9,616 units built before 1980 in this ZIP, many roofs are replacements rather than originals. Ask the seller for permit records or have a roofer inspect the roof.

Which nearby ZIP has the oldest housing?

Of the 5 closest ZIP areas we cover, 45410 (5.1 miles SE) has the largest share built before 2000, 98.1%, against 96.2% in 45406.

Source: U.S. Census Bureau, American Community Survey 5-year estimates 2019 to 2023, tables B25034 (year structure built), B25035, B25003, B25024, B25077 and B19013, ZIP Code Tabulation Areas; ZIP-to-city assignment from the Census 2020 ZCTA-to-place relationship file (a ZIP is assigned to a city when more than half of its land area lies inside it). A ZCTA is not a USPS ZIP code: it approximates one and can differ at the edges. Public domain. The 12 ZIP-specific figures above differ from ZIP to ZIP.

Information only, not a roof inspection. Pickaroofer does not know the condition of any individual roof.