PlainZIP

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
$102,168
Median income
$327,500
Median home value
31.6%
Bachelor's or higher

The verdict

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 Tennessee average), while per-capita income is $50,584. Local economic indicators show a 0.0% poverty rate alongside 0.0% unemployment. The typical home here is valued at $327,500 (32% above the state average); renters pay a median of - monthly, and 100.0% of units 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 -. A geography-based comparison follows: 5 ZIP codes within about 10 miles of 37151, plus 6 more within Smith County, give a clearer read than the national average alone.

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

Neighborhood Scorecard
Get an A-F grade across income, safety, housing, rent, education, commute, and childcare for this ZIP code.
View Scorecard →

Who lives in ZIP 37151?

47.8

Median Age

52.3%

Male

47.7%

Female

0.0%

Foreign-Born

White 85.3%
African American 0.0%
Asian 2.4%
American Indian or Alaska Native 0.0%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 12.3%
Hispanic or Latino 2.4%

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

$50,584

Per Capita Income

0.0%

Poverty Rate

0.0%

Unemployment Rate

How ZIP 37151 ranks nationally

Riddleton, TN household income vs. every US ZIP code

Median household income, the full national distribution, with this ZIP marked

$102,168 Top 18% higher than 82% of 30,318 US ZIPs

$0–$20,000: 118 US ZIPs (0%). Below this entry. $20,000–$40,000: 1,573 US ZIPs (5%). Below this entry. $40,000–$60,000: 7,092 US ZIPs (23%). Below this entry. $60,000–$80,000: 9,980 US ZIPs (33%). Below this entry. $80,000–$100,000: 5,778 US ZIPs (19%). Below this entry. $100,000–$120,000: 2,855 US ZIPs (9%). This entry sits in this band. $120,000–$140,000: 1,362 US ZIPs (4%). Above this entry. $140,000–$160,000: 686 US ZIPs (2%). Above this entry. $160,000–$180,000: 364 US ZIPs (1%). Above this entry. $180,000–$200,000: 186 US ZIPs (1%). Above this entry. $200,000–$220,000: 324 US ZIPs (1%). Above this entry. This ZIP $0 $200K+ every reporting US ZIP, bucketed by value

Each bar is a $20K-wide band; taller bars hold more US 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?

High School Graduate or Higher 63.3%
Bachelor's Degree or Higher 31.6%

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What does housing look like?

196

Total Housing Units

173

Occupied Units

23

Vacant Units

2.64

Avg Household Size

Occupancy Type

Owner 100.0%
Renter 0.0%

$327,500

Median Home Value

+32% vs state

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.

residents

What this shows Among its immediate neighbors, ZIP 37151 ranks #6 by population - useful context the national average alone can't give.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023

ZIP 37151 vs its nearest neighbors, by median income

Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.

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.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023
ZIP Code City Population Distance
37057 Dixon Springs, TN 834 6.0 mi
38563 Gordonsville, TN 2,330 8.2 mi
37030 Carthage, TN 6,982 5.9 mi
37145 Pleasant Shade, TN 2,157 8.3 mi
37074 Hartsville, TN 6,965 9.1 mi

More ZIP Codes in Smith County

37030 standard
Carthage, TN
Pop: 6,982
38563 standard
Gordonsville, TN
Pop: 2,330
37145 standard
Pleasant Shade, TN
Pop: 2,157
38547 standard
Brush Creek, TN
Pop: 1,975
38560 standard
Elmwood, TN
Pop: 1,425
37057 standard
Dixon Springs, TN
Pop: 834

Related Areas

Smith County Riddleton, TN Tennessee

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).

Read our methodology to see how this data is sourced, computed, and verified.