ZIP Code 37046

standard

Source:

College Grove · Williamson County · Tennessee

Population
3,665

20/sq mi

Median income
$178,228

▲ 134% vs US

higher than 98% of US ZIPs

Median home value
$979,900

▲ 252% vs US

higher than 97% of US ZIPs

Bachelor's or higher
63.8%

Median age 41.7

Land area
181.4 sq mi

Chicago

ZIP code 37046 in College Grove, Tennessee has a population of 3,665. The median household income is $178,228, which is 134% above the national average. Median home value is $979,900, 252% above the US average. 63.8% of residents hold a bachelor's degree or higher.

ZIP code 37046 is classified by USPS as a standard delivery area and covers roughly 181.4 square miles in College Grove, Williamson County, Tennessee. The area is home to 3,665 residents, producing a population density of 20 people per square mile, and falls within the Chicago time zone. These USPS and Census boundary values drive every downstream statistic on this page, including the benchmarks that compare 37046 against Tennessee and the nation.

On the economic side, the median household income for ZIP 37046 sits at $178,228 (168% above the Tennessee average), while per-capita income is $90,404. The poverty rate stands at 8.6% and the unemployment rate at 1.3%. On housing, the median home value is $979,900 (296% above the state average) with median rent at $3,501 per month, and 87.9% of occupied units are owner-occupied, a direct signal of whether 37046 behaves more like a homeowner neighborhood or a renter-heavy ZIP.

Education and household profile round out the picture: 63.8% of adults hold a bachelor's degree or higher, the median age is 41.7, and the average commute is 34 minutes. We also surface 4 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing Williamson County, so you can benchmark 37046 against its immediate geography rather than a national average alone. Every figure is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates, HUD Fair Market Rents, and FHFA Home Price Index data, no estimates, no proprietary scoring. Verify with HUD →

Top industries in ZIP 37046

Top 5 sectors by establishment count

Which industries have the most business establishments in ZIP 37046.

establishments

What this shows Establishment counts come from the Census ZIP Code Business Patterns program, which counts physical business locations rather than employees or revenue.

Source U.S. Census Bureau · ZIP Code Business Patterns (ZBP) As of 2023

Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + HUD FMR + FHFA HPI ACS demographics, ZBP business establishments, HUD Fair Market Rents, FHFA HPI for ZIP 37046, College Grove, TN · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; HUD FMR + FHFA HPI updated quarterly/annually.

Quick Facts

3,665

Population

181.4

Area (sq mi)

20

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 37046?

41.7

Median Age

53.7%

Male

46.3%

Female

1.9%

Foreign-Born

White 90.3%
African American 1.6%
Asian 1.5%
American Indian or Alaska Native 0.0%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 6.6%
Hispanic or Latino 3.0%

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?

$178,228

Median Household Income

+168% vs state

$90,404

Per Capita Income

8.6%

Poverty Rate

1.3%

Unemployment Rate

33.5 min

Mean Commute Time

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

What is the education profile here?

High School Graduate or Higher 75.7%
Bachelor's Degree or Higher 63.8%

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

What does housing look like?

2,847

Total Housing Units

2,589

Occupied Units

258

Vacant Units

2.82

Avg Household Size

Occupancy Type

Owner 87.9%
Renter 12.1%

$979,900

Median Home Value

+296% vs state

$3,501

Median Rent

2011

Median Year Built

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

FHFA House Price Index, annual appreciation data based on repeat sales and appraisals

-1.1%

YoY Change (2024)

352

HPI Index (2000 = 100)

+252%

Total Change Since 2000

Home values in ZIP 37046 have decreased 1.1% over the past year (2024). Since 2000, this ZIP has seen +252% cumulative appreciation.

Year Annual Change HPI Index
2020 +5.1% 227
2021 +10.2% 250
2022 +31.5% 328
2023 +8.3% 356
2024 -1.1% 352

Source: Federal Housing Finance Agency (FHFA) House Price Index, All-Transactions, Five-Digit ZIP Codes (Developmental Index). Index base = 100 in year 2000. Data through 2024. ZIP codes with few transactions may show missing values.

What businesses operate in this ZIP?

Census Bureau data shows 150 business establishments in ZIP 37046, employing approximately 1,283 people with a combined annual payroll of $76,055,000.

150

Businesses

1,283

Employees

$76.1M

Annual Payroll

14

Industry Sectors

Industry Establishments % of Total
Construction 29 19.3%
Professional, scientific, and technical services 19 12.7%
Retail trade 15 10.0%
Real estate and rental and leasing 12 8.0%
Wholesale trade 10 6.7%
Administrative and support and waste management and remediation services 10 6.7%
Health care and social assistance 9 6.0%
Finance and insurance 7 4.7%
Other services (except public administration) 7 4.7%
Transportation and warehousing 6 4.0%
Information 6 4.0%
Agriculture, forestry, fishing and hunting 5 3.3%
Arts, entertainment, and recreation 5 3.3%
Accommodation and food services 5 3.3%

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 37046 vs 37060 →

ZIP Code City Population Distance
37060 Eagleville, TN 2,230 5.1 mi
37014 Arrington, TN 1,855 7.0 mi
37034 Chapel Hill, TN 6,591 9.7 mi
37067 Franklin, TN 23,652 9.9 mi

More ZIP Codes in Williamson County

Frequently Asked Questions

What county is ZIP code 37046 in?
ZIP code 37046 (College Grove) is located in Williamson County, Tennessee. Williamson County contains multiple ZIP codes, see the full list at /counties/williamson-tn.
What is the population of ZIP code 37046?
ZIP code 37046 in College Grove, TN has a population of 3,665 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 37046?
The median household income in ZIP 37046 is $178,228, which is 134% above the national average of $76,288.
What is the average home value in ZIP 37046?
The median home value in ZIP 37046 is $979,900, which is 252% above the national average of $278,155.
What is the demographic makeup of ZIP 37046?
The largest racial group in ZIP 37046 is White at 90.3%. Hispanic or Latino residents make up 3.0% of the population.
How many businesses are in ZIP code 37046?
ZIP code 37046 has 150 business establishments employing approximately 1,283 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 37046?
The top industries by establishment count in ZIP 37046 are: Construction (29), Professional, scientific, and technical services (19), Retail trade (15). There are 14 industry sectors represented in total.
How have home values changed in ZIP code 37046?
According to the FHFA House Price Index, home values in ZIP 37046 decreased by 1.1% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 252%. This is a developmental index based on repeat sales and appraisal data from Fannie Mae and Freddie Mac.
What is the education level in ZIP code 37046?
In ZIP code 37046, 75.7% of residents aged 25+ have a high school diploma or higher, and 63.8% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What is the average commute time in ZIP 37046?
The mean commute time for workers in ZIP code 37046 is 33.5 minutes according to Census ACS data. The national average is roughly 26 minutes, so commuters here spend more time traveling to work than typical.
What percentage of residents own vs. rent in ZIP 37046?
In ZIP code 37046, approximately 87.9% of occupied housing units are owner-occupied and 12.1% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 37046?
The poverty rate in ZIP code 37046 is 8.6% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.

ZIP Code Research Guides

Official Data Resources for College Grove, TN

Verify and explore additional data for this area using these official government sources.

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023). Business data: Source: Census ZIP Code Business Patterns (ZBP) 2023. Home value trends: Source: FHFA House Price Index (HPI), Five-Digit ZIP Codes.

PlainZIP is not affiliated with the U.S. Census Bureau or any government agency.