Home age in ZIP 37406, Chattanooga, TN: median built 1966

Home age is not roof age, and the Census does not record replacements. ZIP 37406 in Chattanooga, TN: median home built 1966; 84.1% of homes (4,957) are older than 25 years and 4.6% (271) were built since 2010, out of 5,894 homes.

U.S. Census Bureau, American Community Survey 2019 to 2023 (5-year estimates), retrieved October 9, 2026. Area = Census ZIP Code Tabulation Area 37406.

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Share of homes in ZIP 37406 by decade builtColumns from the pre-1940 decade on the left to 2020 and later on the right. pre-1940 11.9 percent; 1940s 9.5 percent; 1950s 19.3 percent; 1960s 14.4 percent; 1970s 13 percent; 1980s 8.4 percent; 1990s 7.6 percent; 2000s 11.3 percent; 2010s 3.7 percent; 2020+ 0.9 percentpre-1940: 701 homes, 11.9%11.9%pre-1940Hamilton County: 8.6%1940s: 558 homes, 9.5%9.5%1940sHamilton County: 4.8%1950s: 1,140 homes, 19.3%19.3%1950sHamilton County: 10.4%1960s: 850 homes, 14.4%14.4%1960sHamilton County: 11.1%1970s: 764 homes, 13.0%13%1970sHamilton County: 15.0%1980s: 494 homes, 8.4%8.4%1980sHamilton County: 11.4%1990s: 450 homes, 7.6%7.6%1990sHamilton County: 12.0%2000s: 666 homes, 11.3%11.3%2000sHamilton County: 13.4%2010s: 216 homes, 3.7%3.7%2010sHamilton County: 12.0%2020+: 55 homes, 0.9%0.9%2020+Hamilton County: 1.4%Built 1999 or earlier: 84.1% of homes (4,957)ZIP 37406, built before 2000built 2000 or laterHamilton County

Share of the 5,894 housing units in the ZIP, by decade built. The red marks are Hamilton 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 37406 next to Chattanooga and Hamilton County

IndicatorZIP 37406ChattanoogaHamilton CountyRank among 12 ZIPs of Chattanooga on this site
Housing units5,89487,138165,6055th of 12 largest
Median year built1966197519805th of 12 oldest
Built before 198068.1%56.2%49.9%
Built before 200084.1%no data73.3%7th of 12 highest share
Built since 20104.6%no data13.3%
Owner-occupied homes47.2%53.1%64.3%7th of 12 highest share
Single-family units74.9%63.3%no data
Median home value$150,300 (+/- $15,417)$259,200$282,10010th of 12 highest
Median household income$42,993 (+/- $4,929)$61,028no data9th of 12 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 37406

BuiltShare of Hamilton CountyShare of ZIPHomes in ZIP 37406
2020+1.4%0.9%55
2010s12.0%3.7%216
2000s13.4%11.3%666
1990s12.0%7.6%450
1980s11.4%8.4%494
1970s15.0%13.0%764
1960s11.1%14.4%850
1950s10.4%19.3%1,140
1940s4.8%9.5%558
pre-19408.6%11.9%701

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 37406

ZIP 37406 has 5,894 housing units: 4,957 (84.1%) were built before 2000, 271 (4.6%) in 2010 or later, and 1,140 (19.3%) in the 1950s, its largest era. The median year built is 1966 (Chattanooga: 1975), so 9 years older than the city.

Housing mix and money, from the same survey: 47.2% of occupied homes are owner-occupied; 74.9% of units are single-family houses; the median owner-occupied home is valued at $150,300, give or take $15,417; median household income is $42,993, give or take $4,929; the ZIP holds 6.8% of the housing units the Census counts in Chattanooga, 5,894 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, 4,507 units (76.5%, built before 1990) would be past the 30-year top of the usual asphalt-shingle range, 450 (7.6%, the 1990s) would mostly sit past it, 666 (11.3%, the 2000s) would mostly be inside the 20 to 30 year window and 271 (4.6%, 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 37406

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 37406 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 37406 among Chattanooga’s ZIP areas

Map of ZIP 37406 and nearby ZIP areas, shaded by the share of homes built before 2000ZIP 37421: 23,978 homes, 67.8% built before 2000, median year 199037421ZIP 37415: 11,970 homes, 85.7% built before 2000, median year 197137415ZIP 37411: 8,807 homes, 92.1% built before 2000, median year 195837411ZIP 37416: 6,598 homes, 87.1% built before 2000, median year 197537416ZIP 37404: 5,887 homes, 86.7% built before 2000, median year 194737404ZIP 37407: 3,540 homes, 93.1% built before 2000, median year 194937407ZIP 37402: 3,207 homes, 60.6% built before 2000, median year 197637402ZIP 37403: 2,394 homes, 62.2% built before 2000, median year 197637403ZIP 37408: 1,945 homes, 32% built before 2000, median year 200937408ZIP 37410: 1,893 homes, 71.6% built before 2000, median year 197037410ZIP 37409: 1,719 homes, 87.9% built before 2000, median year 193837409ZIP 37406: 5,894 homes, 84.1% built before 2000, median year 196637406
  • under 20% built before 2000
  • 40 to 60%
  • 80% or more
  • Dot size = housing units. Red ring = ZIP 37406. Click a dot to open that ZIP.

Closest ZIP areas

ZIPMilesMedian builtPre-2000
374033.2 SW197662.2%
374113.3 S195892.1%
374043.5 SW194786.7%
374154.1 NW197185.7%
374024.4 SW197660.6%
374084.7 SW200932.0%

Distance is between Census ZIP centres.

Storm backdrop: Hamilton County

A ZIP is too small for its own hail record, so this is the county. FEMA’s National Risk Index rates Hamilton County Relatively Moderate overall (93.3 of 100), Relatively Moderate for hail (82.6), Relatively High for strong wind (97.5) and Relatively High for tornado (98.6). NOAA logged 20 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 37406: Cookeville, TN (77 miles), Huntsville, AL (80 miles), Murfreesboro, TN (84 miles).

Questions

How old are the homes in ZIP 37406?

Of the 5,894 housing units, 4,013 (68.1%) were built before 1980, 4,957 (84.1%) before 2000 and 271 (4.6%) from 2010 on (Census ACS 2019 to 2023, survey estimate).

Does a house's age tell me how old its roof is in 37406?

No. ACS records the year the structure was built, not the year the roof was last replaced. With 4,013 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 6 closest ZIP areas we cover, 37411 (3.3 miles S) has the largest share built before 2000, 92.1%, against 84.1% in 37406.

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.