Decatur County vs Grundy County
A side-by-side comparison of Decatur County and Grundy County: population, income, housing, and more.
Decatur County and Grundy County are counties in Tennessee. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.
Grundy County has the higher population (13,665 vs 11,499 in Decatur County). Decatur County has the higher median household income ($46,190 vs $45,573 in Grundy County). Decatur County has the higher median home value ($133,900 vs $133,400 in Grundy County).
Population, income & housing
| Decatur County | Grundy County | |
|---|---|---|
| Population | 11,499 | 13,665 |
| Median age | 45.9 yrs | 42.9 yrs |
| Median household income | $46,190 | $45,573 |
| Median home value | $133,900 | $133,400 |
| Median gross rent | $716 | $723 |
| Housing units | 6,588 | 6,213 |
| Homeownership rate | 75.0% | 83.2% |
| Bachelor's degree or higher | 15.0% | 12.4% |
| Unemployment rate | 8.3% | 7.2% |
Trends (ACS 5-year, 2019–2023)
| Decatur County | Grundy County | |
|---|---|---|
| Population | 11,686 → 11,499 (-1.6%) | 13,344 → 13,665 (+2.4%) |
| Median household income | $42,031 → $46,190 (+9.9%) | $40,516 → $45,573 (+12.5%) |
| Median home value | $98,800 → $133,900 (+35.5%) | $87,200 → $133,400 (+53.0%) |
| Median gross rent | $531 → $716 (+34.8%) | $629 → $723 (+14.9%) |
Decatur County
11,68611,499
$42,031$46,190
$98,800$133,900
$531$716
Grundy County
13,34413,665
$40,516$45,573
$87,200$133,400
$629$723
Age & race/ethnicity
Age distribution (share)
| Decatur County | Grundy County | |
|---|---|---|
| Under 5 | 4.9% | 5.9% |
| 5 to 17 | 15.5% | 15.4% |
| 18 to 24 | 7.0% | 7.3% |
| 25 to 34 | 10.0% | 11.7% |
| 35 to 44 | 11.4% | 11.5% |
| 45 to 54 | 12.8% | 13.3% |
| 55 to 64 | 14.7% | 14.2% |
| 65 to 74 | 14.3% | 12.3% |
| 75 and over | 9.4% | 8.4% |
Race & ethnicity (share)
| Decatur County | Grundy County | |
|---|---|---|
| White (non-Hispanic) | 90.7% | 94.3% |
| Black or African American | 3.1% | 0.4% |
| American Indian & Alaska Native | 0.0% | 0.1% |
| Asian | 0.9% | 0.4% |
| Native Hawaiian & Pacific Islander | 0.0% | 0.0% |
| Some other race | 0.0% | 0.0% |
| Two or more races | 1.7% | 3.1% |
| Hispanic or Latino | 3.5% | 1.7% |
Educational attainment (age 25+)
Share of adults 25+
| Decatur County | Grundy County | |
|---|---|---|
| No high school diploma | 15.8% | 20.0% |
| High school graduate | 45.3% | 44.8% |
| Some college or associate's | 23.8% | 22.7% |
| Bachelor's degree | 12.5% | 6.0% |
| Graduate or professional degree | 2.5% | 6.4% |
Commute to work
How workers get to work (share)
| Decatur County | Grundy County | |
|---|---|---|
| Drove alone | 83.2% | 78.7% |
| Carpooled | 9.5% | 12.9% |
| Public transit | 0.2% | 0.1% |
| Walked | 1.9% | 0.8% |
| Bicycle | 0.0% | 0.0% |
| Worked from home | 4.8% | 5.6% |
| Other means | 0.4% | 1.8% |
Housing
Units in structure (share)
| Decatur County | Grundy County | |
|---|---|---|
| 1-unit, detached | 76.1% | 71.0% |
| 1-unit, attached | 0.1% | 0.2% |
| 2 to 4 units | 1.7% | 3.3% |
| 5 to 19 units | 1.5% | 2.4% |
| 20 or more units | 0.5% | 0.1% |
| Mobile home & other | 20.0% | 23.0% |
Poverty & households
| Decatur County | Grundy County | |
|---|---|---|
| Poverty rate | 21.6% | 19.2% |
| Average household size | 2.55 | 2.64 |
| Mean commute (minutes) | 26 | 34 |
| Median year structure built | 1982 | 1984 |
Full profiles
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