45330 ZIP Code — Gratis, OH

Preble County, Ohio

ZIP code 45330 is located in Gratis, Ohio, within Preble County. It covers approximately 0.93 square miles and serves a population of 614 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 326/937/513.

About ZIP code 45330

The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1950s, giving the area an established character. Median home value is $116,800. Owner-occupancy is high at 85%, well above the national average.

Median household income is $58,839. The poverty rate of 7% is below the national average. 40% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is sales and office, with retail trade as the leading industry. The average commute of 31 minutes is near the national average.

College attainment at 17% is below the national average, consistent with a trades and production-oriented local economy.

Health indicators show elevated rates of smoking (23%) compared to national benchmarks.

Overall, ZIP code 45330 reflects a community defined by a trades-oriented workforce, high homeownership, and a significant Social Security-dependent population.

614

population

0.93

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

45330 ZIP code map

Cities in ZIP code 45330

Below are the cities the US Postal Service accepts for ZIP code 45330. Using any city not on this list may result in mail delivery delays.

City	Status
Gratis	Acceptable

Demographics updated 05/2026

Population
Total population	614
Population density	660 / sq mi
State FIPS	39
County FIPS	135

Geography
Land area	0.93 sq mi
Water area	0.00 sq mi
Latitude	39.6475
Longitude	-84.5241
Timezone	Eastern (ET)
Area code	326/937/513

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	40.8%	40.4%	43.3%
$50k – $100k	48.3%	38.2%	31.4%
$100k – $200k	10.9%	19.0%	20.0%
Over $200k	0.0%	2.4%	5.2%

Demographics & statistics

614

Population

660

People per sq mi

39.8

Median age

$58,839

Median household income

$28,192

Per capita income

$116,800

Median home value

$859

Median monthly rent

84.8%

Home ownership

6.7%

Poverty rate

0.0%

Unemployment

255

Housing units

17.1%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

10–14

15–19

20–24

25–34

35–44

45–54

55–59

60–64

65–74

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	111	18.1%
18 and over	503	81.9%
65 and over	161	26.2%
Median age	39.8 years

Race & ethnicity

White 100%

Group	Count	%
White	614	100%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	40.8%	40.4%	43.3%
$50k – $100k	48.3%	38.2%	31.4%
$100k – $200k	10.9%	19.0%	20.0%
Over $200k	0.0%	2.4%	5.2%

$10k–$15k 3.8%

$15k–$25k 4.2%

$25k–$35k 12.5%

$35k–$50k 21.7%

$50k–$75k 15.2%

$75k–$100k 27.8%

$100k–$150k 12.9%

$150k–$200k 0.8%

$200k+ 1.1%

Range	% of households
$10k–$15k	3.8%
$15k–$25k	4.2%
$25k–$35k	12.5%
$35k–$50k	21.7%
$50k–$75k	15.2%
$75k–$100k	27.8%
$100k–$150k	12.9%
$150k–$200k	0.8%
$200k+	1.1%
Median income	$58,839

Housing

Home values

Under $50k 1.8%

$50k–$100k 34.1%

$100k–$150k 29.6%

$150k–$200k 22.0%

$200k–$300k 12.6%

Housing overview

Metric	Value
Median home value	$116,800
Median rent / month	$859
Owner occupied	84.8%
Renter occupied	15.2%
Vacant	10.8%
Single-family detached	96.6%
Large apartment buildings	0.0%
Mobile homes	1.7%
Median rooms	5.5
Avg household size (owned)	2.40

Year built

Era	%
2020 or later	0.0%
2010–2019	0.0%
2000–2009	5.4%
1990–1999	12.2%
1980–1989	18.3%
1970–1979	17.6%
1960–1969	16.9%
1950–1959	20.3%
1940–1949	1.7%
1939 or earlier	7.5%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	2.7%
2 bedrooms	9.2%
3 bedrooms	81.7%
4 bedrooms	2.7%
5+ bedrooms	3.7%

Vehicles per household

Vehicles	% of households
No vehicle	5.7%
1 vehicle	17.1%
2 vehicles	55.1%
3 or more	22.1%

Heating fuel

Fuel type	%
Utility gas	8.4%
Electricity	55.1%
Propane / LP gas	21.3%
Fuel oil	8.7%
Wood	5.7%
No fuel used	0.8%

Households & families

Household type	Count	%
Married-couple family	158	60.1%
Cohabiting couple	9	3.4%
Male householder, no spouse	39	14.8%
Female householder, no spouse	57	21.7%
Households with children under 18	83	31.6%
Households with seniors (65+)	106	40.3%
Average household size	2.25

Marital status

Status	Male	Female
Never married	19.8%	8.5%
Married	55.9%	62.3%
Separated	3.4%	2.4%
Widowed	6.5%	17.4%
Divorced	14.4%	9.3%

Education

Less than 9th grade 0.0%

Some HS, no diploma 3.6%

HS graduate 53.3%

Some college, no degree 21.2%

Associate's degree 4.7%

Bachelor's degree 14.1%

Graduate / professional 3.0%

Metric	%
HS diploma or higher	96.4%
Bachelor's or higher	17.1%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	9	20.5%
Kindergarten	0	0.0%
Elementary school	11	25.0%
High school	21	47.7%
College / grad school	3	6.8%

Employment

Industry of employment

Retail trade 25.4%

Manufacturing 19.1%

Transportation & utilities 13.8%

Construction 12.7%

Education & healthcare 11.3%

Professional & management 6.0%

Arts, food & hospitality 5.3%

Other services 5.3%

Finance & real estate 1.1%

Occupation

Category	%
Management, business & arts	14.5%
Service	9.9%
Sales & office	34.6%
Natural resources & construction	18.7%
Production & transportation	22.3%

Employment type

Type	%
Private sector	91.9%
Government	4.2%
Self-employed	3.9%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	77.4%
Carpool	14.6%
Public transit	0.0%
Walk	6.9%
Work from home	1.1%
Other means	0.0%
Avg commute (minutes)	30.9

Poverty

All people 6.7%

Under 18 years 0.0%

18 and over 8.2%

Married-couple families 0.0%

Female-led households 0.0%

Income support

Source	% of households
Social Security	39.5%
Retirement income	28.1%
Supplemental Security	6.5%
Cash public assistance	0.0%
Food stamps / SNAP	9.5%

Health indicators

Condition	%
Obesity	37.4%
High blood pressure	30.4%
High cholesterol	30.6%
Diabetes	10.0%
Heart disease	6.2%
Stroke	2.8%
Asthma	10.2%
Arthritis	26.1%
Kidney disease	2.5%
Pulmonary disease	8.1%
Cancer	6.2%

Behavior / access	%
Smoking	22.9%
Binge drinking	18.6%
No physical activity	25.2%
Less than 7 hrs sleep	36.3%
Depression	24.8%
Fair or poor health	13.9%
Poor mental health	17.2%
Poor physical health	10.2%
No health insurance	12.0%
Visited doctor (checkup)	74.3%
Visited dentist	65.0%
Cholesterol screening	87.0%
Teeth loss	14.5%

Veterans & disability

Veterans	Count	%
Civilian veterans	42	8.3%

Disability	%
Any disability	12.5%
Under 18	0.0%
18–64 years	8.2%
65 and over	30.4%

Health insurance coverage

Type	%
Private insurance	72.8%
Public insurance	37.5%
No insurance	4.2%
Uninsured under 19	0.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	537	87.5%
Spanish	0	0.0%
Other Indo-European	0	0.0%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	614	100.0%
Born in same state	614	100.0%
Born in different state	442	72.0%
Foreign born	0	0.0%
Naturalized citizen	0	0.0%
Not a US citizen	0	0.0%

Ancestry

Ancestry	Count	%
French	58	9.4%
Italian	51	8.3%

Ancestry	Count	%
Arab	35	5.7%
English	11	1.8%

Technology access

Metric	% of households
Computer access	42.8%
Internet access	92.8%

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

Frequently asked questions about ZIP code 45330

What city is ZIP code 45330 in?

ZIP code 45330 is primarily assigned to Gratis, Ohio.

What county is ZIP code 45330 in?

ZIP code 45330 falls within Preble County, Ohio.

Does ZIP code 45330 have an older population?

26% of residents in ZIP code 45330 are 65 or older, above the national average of ~17%.

Is ZIP code 45330 mostly owner-occupied?

85% of occupied units in ZIP code 45330 are owner-occupied, well above the national average.

Does ZIP code 45330 have a large retiree population?

40% of households in ZIP code 45330 receive Social Security income, suggesting a significant retiree or disability population.

What is the typical home value in ZIP code 45330?

The median home value in ZIP code 45330 is $116,800.

What timezone is ZIP code 45330 in?

ZIP code 45330 observes the EST timezone.