37046 ZIP Code — College Grove, TN

Williamson County, Tennessee

ZIP code 37046 is located in College Grove, Tennessee, within Williamson County. It covers approximately 71.37 square miles and serves a population of 6,674 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 615.

About ZIP code 37046

The housing stock consists of predominantly single-family detached homes. Much of the housing stock is relatively new, reflecting recent development activity. Median home value is $765,600. Owner-occupancy is high at 93%, well above the national average.

The gap between median ($155,224) and mean household income suggests income inequality — a small number of higher earners pull the average up. The poverty rate of 4% is below the national average.

The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 33 minutes is near the national average.

Educational attainment is high — 60% of residents hold a bachelor's degree or higher, well above the national average of 33%.

Overall, ZIP code 37046 reflects a community defined by a highly educated population and high homeownership.

6,674

population

71.37

sq mi land

Standard

ZIP type

Central (CT)

timezone

37046 ZIP code map

Cities in ZIP code 37046

Below are the cities the US Postal Service accepts for ZIP code 37046. Using any city not on this list may result in mail delivery delays.

City	Status
College Grove	Acceptable
College Grove	Preferred

Nearby ZIP codes

37060 Eagleville (5.2 mi) 37014 Arrington (7.2 mi) 37153 Rockvale (9.1 mi) 37067 Franklin (9.4 mi) 37034 Chapel Hill (9.8 mi) 37179 Thompsons Station (10.1 mi) 37135 Nolensville (10.8 mi) 37174 Spring Hill (10.8 mi) 37128 Murfreesboro (12.7 mi) 37180 Unionville (14.2 mi) 37064 Franklin (15.3 mi) 37027 Brentwood (15.6 mi)

Demographics updated 05/2026

Population
Total population	6,674
Population density	94 / sq mi
State FIPS	47
County FIPS	187

Geography
Land area	71.37 sq mi
Water area	0.01 sq mi
Latitude	35.7824
Longitude	-86.7170
Timezone	Central (CT)
Area code	615

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	16.1%	19.0%	45.7%
$50k – $100k	23.3%	24.1%	30.9%
$100k – $200k	43.9%	34.9%	18.3%
Over $200k	16.7%	22.0%	5.1%

Demographics & statistics

6,674

Population

People per sq mi

43.6

Median age

$155,224

Median household income

$76,488

Per capita income

$765,600

Median home value

$1,902

Median monthly rent

93.4%

Home ownership

4.0%

Poverty rate

0.6%

Unemployment

2,411

Housing units

60.1%

Bachelor's or higher

Age distribution

Male Female

175

Under 5

164

211

5–9

199

270

10–14

255

281

15–19

264

119

20–24

113

208

25–34

196

481

35–44

454

655

45–54

617

408

55–59

384

232

60–64

219

232

65–74

219

119

75–84

113

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	1,642	24.6%
18 and over	5,032	75.4%
65 and over	769	11.5%
Median age	43.6 years

Race & ethnicity

White 89.9%

Two or more races 5.4%

Hispanic or Latino 2.6%

Asian 1.7%

Other race 0.2%

American Indian / Alaska Native 0.2%

Group	Count	%
White	6,165	89.9%
Two or more races	368	5.4%
Hispanic or Latino	181	2.6%
Asian	116	1.7%
Other race	13	0.2%
American Indian / Alaska Native	12	0.2%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	16.1%	19.0%	45.7%
$50k – $100k	23.3%	24.1%	30.9%
$100k – $200k	43.9%	34.9%	18.3%
Over $200k	16.7%	22.0%	5.1%

Under $10k 5.1%

$10k–$15k 2.6%

$15k–$25k 1.3%

$25k–$35k 1.5%

$35k–$50k 3.4%

$50k–$75k 7.5%

$75k–$100k 7.4%

$100k–$150k 17.8%

$150k–$200k 21.7%

$200k+ 31.7%

Range	% of households
Under $10k	5.1%
$10k–$15k	2.6%
$15k–$25k	1.3%
$25k–$35k	1.5%
$35k–$50k	3.4%
$50k–$75k	7.5%
$75k–$100k	7.4%
$100k–$150k	17.8%
$150k–$200k	21.7%
$200k+	31.7%
Median income	$155,224

Housing

Home values

Under $50k 3.2%

$50k–$100k 1.3%

$100k–$150k 0.9%

$150k–$200k 0.9%

$200k–$300k 4.2%

$300k–$500k 14.9%

$500k–$1M 47.7%

$1M+ 26.8%

Housing overview

Metric	Value
Median home value	$765,600
Median rent / month	$1,902
Owner occupied	93.4%
Renter occupied	6.6%
Vacant	4.4%
Single-family detached	96.0%
Large apartment buildings	0.0%
Mobile homes	4.0%
Median rooms	8.0
Avg household size (owned)	2.70

Year built

Era	%
2020 or later	9.9%
2010–2019	37.4%
2000–2009	9.2%
1990–1999	7.7%
1980–1989	6.4%
1970–1979	9.9%
1960–1969	8.2%
1950–1959	2.6%
1940–1949	4.1%
1939 or earlier	4.6%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	1.6%
2 bedrooms	8.8%
3 bedrooms	43.2%
4 bedrooms	26.2%
5+ bedrooms	20.2%

Vehicles per household

Vehicles	% of households
No vehicle	0.6%
1 vehicle	17.9%
2 vehicles	43.9%
3 or more	37.7%

Heating fuel

Fuel type	%
Utility gas	44.0%
Electricity	46.6%
Propane / LP gas	9.4%

Households & families

Household type	Count	%
Married-couple family	1,910	77.7%
Cohabiting couple	72	2.9%
Male householder, no spouse	155	6.3%
Female householder, no spouse	321	13.1%
Households with children under 18	1,001	40.7%
Households with seniors (65+)	541	22.0%
Average household size	2.72

Marital status

Status	Male	Female
Never married	17.3%	20.2%
Married	75.6%	68.4%
Separated	0.0%	1.3%
Widowed	2.0%	6.8%
Divorced	5.1%	3.3%

Education

Less than 9th grade 1.0%

Some HS, no diploma 2.2%

HS graduate 14.2%

Some college, no degree 16.0%

Associate's degree 6.4%

Bachelor's degree 39.6%

Graduate / professional 20.5%

Metric	%
HS diploma or higher	96.8%
Bachelor's or higher	60.1%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	93	5.8%
Kindergarten	62	3.8%
Elementary school	815	50.6%
High school	443	27.5%
College / grad school	199	12.3%

Employment

Industry of employment

Education & healthcare 20.4%

Retail trade 15.8%

Professional & management 12.6%

Manufacturing 10.4%

Arts, food & hospitality 10.0%

Finance & real estate 8.8%

Other services 8.0%

Construction 6.2%

Transportation & utilities 3.2%

Wholesale trade 2.0%

Agriculture & mining 1.5%

Information 1.1%

Occupation

Category	%
Management, business & arts	55.1%
Service	9.9%
Sales & office	21.9%
Natural resources & construction	3.6%
Production & transportation	9.5%

Employment type

Type	%
Private sector	81.6%
Government	9.5%
Self-employed	8.9%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	72.8%
Carpool	7.2%
Public transit	0.0%
Walk	0.0%
Work from home	18.7%
Other means	1.3%
Avg commute (minutes)	32.7

Poverty

All people 4.0%

Under 18 years 3.3%

18 and over 4.2%

Married-couple families 1.5%

Female-led households 31.9%

Income support

Source	% of households
Social Security	24.5%
Retirement income	22.2%
Supplemental Security	0.6%
Cash public assistance	0.0%
Food stamps / SNAP	0.0%

Health indicators

Condition	%
Obesity	30.9%
High blood pressure	35.1%
High cholesterol	35.0%
Diabetes	9.8%
Heart disease	5.7%
Stroke	2.5%
Asthma	9.3%
Arthritis	26.4%
Kidney disease	2.4%
Pulmonary disease	6.1%
Cancer	7.1%

Behavior / access	%
Smoking	15.4%
Binge drinking	16.2%
No physical activity	18.7%
Less than 7 hrs sleep	31.3%
Depression	23.5%
Fair or poor health	11.2%
Poor mental health	14.0%
Poor physical health	8.9%
No health insurance	11.3%
Visited doctor (checkup)	74.6%
Visited dentist	65.6%
Cholesterol screening	93.2%
Teeth loss	10.3%

Veterans & disability

Veterans	Count	%
Civilian veterans	346	6.9%

Disability	%
Any disability	7.7%
Under 18	7.9%
18–64 years	3.6%
65 and over	29.9%

Health insurance coverage

Type	%
Private insurance	85.9%
Public insurance	13.9%
No insurance	6.1%
Uninsured under 19	9.6%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	6,335	94.9%
Spanish	13	0.2%
Other Indo-European	13	0.2%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	6,493	97.3%
Born in same state	6,470	96.9%
Born in different state	2,617	39.2%
Foreign born	23	0.3%
Naturalized citizen	181	2.7%
Not a US citizen	123	68.0%

Ancestry

Ancestry	Count	%
French	1,297	19.4%
Italian	734	11%
Arab	429	6.4%
Dutch	160	2.4%
Norwegian	53	0.8%

Ancestry	Count	%
English	47	0.7%
Irish	21	0.3%
German	13	0.2%
Polish	13	0.2%

Technology access

Metric	% of households
Computer access	36.8%
Internet access	97.0%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions about ZIP code 37046

What city is ZIP code 37046 in?

ZIP code 37046 is primarily assigned to College Grove, Tennessee.

What county is ZIP code 37046 in?

ZIP code 37046 falls within Williamson County, Tennessee.

Is ZIP code 37046 mostly owner-occupied?

93% of occupied units in ZIP code 37046 are owner-occupied, well above the national average.

How educated is the population of ZIP code 37046?

60% of residents hold a bachelor's degree or higher — well above the national average of ~33%, reflecting a highly educated population.

What is the median household income in ZIP code 37046?

The median household income in ZIP code 37046 is $155,224, above the national median of ~$75,000.

What is the typical home value in ZIP code 37046?

The median home value in ZIP code 37046 is $765,600.

What timezone is ZIP code 37046 in?

ZIP code 37046 observes the CST timezone.