Riddleton, TN · standard
ZIP Code 37151
Smith County, Tennessee - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 565
- 12/sq mi Low-density area
- $102,168
- Median income Above-median income area
- $327,500
- Median home value Above-median home value
- 31.6%
- Bachelor's or higher Above-average bachelor's attainment
National ZIP placement
Riddleton pairs an upper-quartile household income with above-median home values, in a rural, homeowner-dominated area.
- Top 18%
- household income, US ZIPs
- Top 30%
- home value, US ZIPs
- 12
- people per sq mi
- 100%
- owner-occupied homes
Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 37151 against every reporting US ZIP.
ZIP code 37151 is a sparsely populated ZIP (a standard USPS delivery area) in Riddleton, Smith County, Tennessee, home to just 565 residents across 46.7 square miles, a density of 12 people per square mile, in the Chicago time zone.
ZIP 37151 lands in the middle-income range, with a median household income of $102,168 (54% above the average Tennessee ZIP), while per-capita income is $50,584. Both reported hardship measures are comparatively low in absolute terms: poverty is 0.0% and unemployment is 0.0%. Housing is both higher-cost and owner-heavy: median home value is $327,500 (32% above the average Tennessee ZIP), while 100.0% of occupied homes are owner-occupied.
A solid share of residents have a four-year degree: 31.6% of adults hold a bachelor's degree or higher, the median age is 47.8, and the average commute is -. The page also surfaces 5 ZIP codes within roughly 10 miles and 6 more in Smith County, so 37151 can be compared with both its immediate and county-level context.
Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →
Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, FHFA HPI for ZIP 37151, Riddleton, TN · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; FHFA HPI updated quarterly/annually.
Quick Facts
565
Population
46.7
Area (sq mi)
12
People / sq mi
Chicago
Time Zone
standard
ZIP Type
Who lives in ZIP 37151?
47.8
Median Age
52.3%
Male
47.7%
Female
0.0%
Foreign-Born
Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
How much do residents earn?
$102,168
Median Household Income
+54% vs state ZIP avg
$50,584
Per Capita Income
0.0%
Poverty Rate
0.0%
Unemployment Rate
How ZIP 37151 ranks among Tennessee ZIPs
Riddleton, TN household income vs. every Tennessee ZIP code
Median household income among 593 reporting Tennessee ZIPs (this ZIP's population is too small for a reliable national-corpus placement)
$102,168 Top 7% higher than 93% of 593 Tennessee ZIPs
Each bar is a $20K-wide band; taller bars hold more Tennessee ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.
Source U.S. Census Bureau, ACS 5-Year Estimates · 2019–2023
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What is the education profile here?
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What does housing look like?
Housing stock: occupied vs vacant
196housing units
196
Total Housing Units
173
Occupied Units
23
Vacant Units
2.64
Avg Household Size
Occupancy Type
$327,500
Median Home Value
+32% vs state ZIP avg
1997
Median Year Built
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What businesses operate in this ZIP?
Census Bureau data shows 4 business establishments in ZIP 37151, employing approximately 19 people with a combined annual payroll of $1,426,000.
4
Businesses
19
Employees
$1.4M
Annual Payroll
1
Industry Sectors
| Industry | Establishments | % of Total |
|---|---|---|
| Construction | 3 | 75.0% |
Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.
Nearby ZIP Codes
Want a side-by-side? Compare 37151 vs 37057 →
ZIP 37151 vs its nearest neighbors, by population
Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 37030
Carthage (37030)
6,982 residents
- 37074
Hartsville (37074)
6,965 residents
- 38563 2,330
Gordonsville (38563)
2,330 residents
- 37145 2,157
Pleasant Shade (37145)
2,157 residents
- 37057 834
Dixon Springs (37057)
834 residents
- 37151 565
Riddleton (37151)
565 residents
What this shows Among its immediate neighbors, ZIP 37151 ranks #6 by population - useful context the national average alone can't give.
ZIP 37151 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 37151
Riddleton (37151)
$102,168 median income
- 37057
Dixon Springs (37057)
$78,940 median income
- 37074
Hartsville (37074)
$71,914 median income
- 37145
Pleasant Shade (37145)
$69,150 median income
- 37030
Carthage (37030)
$61,800 median income
- 38563
Gordonsville (38563)
$50,313 median income
What this shows By household income, ZIP 37151 ranks the highest of 6 neighboring ZIPs, local affluence varies block to block, not just metro to metro.
Nationwide ZIPs with similar ACS profiles
Two Census-derived peer sets for ZIP 37151, both outside TN so the neighborhoods are not geographic containment (Nearby and same-county blocks stay local).
Similar median household income
Nearest cross-state ZIPs by ACS median household income.
More ZIP Codes in Smith County
Related Areas
Frequently Asked Questions
What county is ZIP code 37151 in?
ZIP code 37151 (Riddleton) is located in Smith County, Tennessee. Smith County contains multiple ZIP codes, see the full list at /counties/smith-tn.
What is the population of ZIP code 37151?
ZIP code 37151 in Riddleton, TN has a population of 565 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 37151?
The median household income in ZIP 37151 is $102,168, which is 34% above the national average of $76,288.
What is the average home value in ZIP 37151?
The median home value in ZIP 37151 is $327,500, which is 18% above the national average of $278,155.
What is the demographic makeup of ZIP 37151?
The largest racial group in ZIP 37151 is White at 85.3%. Hispanic or Latino residents make up 2.4% of the population.
How many businesses are in ZIP code 37151?
ZIP code 37151 has 4 business establishments employing approximately 19 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What is the education level in ZIP code 37151?
In ZIP code 37151, 63.3% of residents aged 25+ have a high school diploma or higher, and 31.6% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
Related
Take this with you
What to do with ZIP 37151's numbers, next.
- See how ZIP 37151 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where Riddleton, TN ranks among every U.S. ZIP code on income, education, or homeownership View national rankings
- Save this ZIP to your shortlist to track alongside others you're considering View your shortlist
ZIP Code Tabulation Areas (ZCTAs) are Census Bureau approximations of USPS ZIP codes; figures describe the ZCTA area, not any single address within it.