45370 ZIP Code — Spring Valley, OH

Greene County, Ohio

ZIP code 45370 is located in Spring Valley, Ohio, within Greene County. It covers approximately 16.66 square miles and serves a population of 2,881 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 326/937/937/740.

About ZIP code 45370

The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1990s, giving the area an established character. Median home value is $323,000. Owner-occupancy is high at 86%, well above the national average.

The gap between median ($114,205) and mean household income suggests income inequality — a small number of higher earners pull the average up. 34% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is management, business, and professional, with arts, entertainment, and food service as the leading industry. The average commute of 24 minutes is near the national average.

Educational attainment is near the national average, with 39% of residents holding a bachelor's degree or higher.

Overall, ZIP code 45370 reflects a community defined by high homeownership and a significant Social Security-dependent population.

2,881

population

16.66

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

45370 ZIP code map

Cities in ZIP code 45370

Below are the cities the US Postal Service accepts for ZIP code 45370. Using any city not on this list may result in mail delivery delays.

City	Status
Spring Valley	Acceptable
Spring Valley	Preferred

Nearby ZIP codes

45305 Bellbrook (2.3 mi) 45440 Dayton (4.7 mi) 45068 Waynesville (5.4 mi) 45458 Dayton (6.1 mi) 45459 Dayton (6.7 mi) 45434 Dayton (7.4 mi) 45430 Dayton (7.6 mi) 45429 Dayton (8.2 mi) 45420 Dayton (8.8 mi) 45432 Dayton (9.1 mi) 45385 Xenia (9.1 mi) 45419 Dayton (9.5 mi)

Demographics updated 05/2026

Population
Total population	2,881
Population density	173 / sq mi
State FIPS	39
County FIPS	057

Geography
Land area	16.66 sq mi
Water area	0.14 sq mi
Latitude	39.6090
Longitude	-84.0496
Timezone	Eastern (ET)
Area code	326/937/937/740

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	28.0%	39.0%	43.3%
$50k – $100k	19.3%	31.8%	31.4%
$100k – $200k	33.2%	23.4%	20.0%
Over $200k	19.6%	5.8%	5.2%

Demographics & statistics

2,881

Population

173

People per sq mi

46.6

Median age

$114,205

Median household income

$55,017

Per capita income

$323,000

Median home value

$945

Median monthly rent

86.0%

Home ownership

10.0%

Poverty rate

5.2%

Unemployment

857

Housing units

38.8%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

10–14

128

15–19

136

144

20–24

153

103

25–34

110

169

35–44

180

45–54

100

209

55–59

224

130

60–64

139

166

65–74

178

112

75–84

119

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	400	13.9%
18 and over	2,481	86.1%
65 and over	586	20.3%
Median age	46.6 years

Race & ethnicity

White 82.2%

Hispanic or Latino 6%

Other race 6%

Asian 4%

Two or more races 1%

Black or African American 0.6%

American Indian / Alaska Native 0.1%

Group	Count	%
White	2,521	82.2%
Hispanic or Latino	185	6%
Other race	185	6%
Asian	124	4%
Two or more races	30	1%
Black or African American	18	0.6%
American Indian / Alaska Native	3	0.1%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	28.0%	39.0%	43.3%
$50k – $100k	19.3%	31.8%	31.4%
$100k – $200k	33.2%	23.4%	20.0%
Over $200k	19.6%	5.8%	5.2%

Under $10k 4.5%

$10k–$15k 7.3%

$15k–$25k 3.9%

$25k–$35k 1.2%

$35k–$50k 5.8%

$50k–$75k 16.2%

$75k–$100k 7.8%

$100k–$150k 16.2%

$150k–$200k 6.2%

$200k+ 30.9%

Range	% of households
Under $10k	4.5%
$10k–$15k	7.3%
$15k–$25k	3.9%
$25k–$35k	1.2%
$35k–$50k	5.8%
$50k–$75k	16.2%
$75k–$100k	7.8%
$100k–$150k	16.2%
$150k–$200k	6.2%
$200k+	30.9%
Median income	$114,205

Housing

Home values

Under $50k 5.4%

$50k–$100k 5.5%

$100k–$150k 5.4%

$150k–$200k 3.0%

$200k–$300k 28.5%

$300k–$500k 34.4%

$500k–$1M 12.0%

$1M+ 5.8%

Housing overview

Metric	Value
Median home value	$323,000
Median rent / month	$945
Owner occupied	86.0%
Renter occupied	14.0%
Vacant	4.7%
Single-family detached	80.9%
Large apartment buildings	0.0%
Mobile homes	14.3%
Median rooms	7.5
Avg household size (owned)	3.30

Year built

Era	%
2020 or later	0.0%
2010–2019	0.2%
2000–2009	8.7%
1990–1999	27.0%
1980–1989	17.4%
1970–1979	12.4%
1960–1969	8.9%
1950–1959	5.4%
1940–1949	2.0%
1939 or earlier	18.0%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	4.7%
2 bedrooms	22.6%
3 bedrooms	39.0%
4 bedrooms	27.2%
5+ bedrooms	6.5%

Vehicles per household

Vehicles	% of households
No vehicle	6.0%
1 vehicle	17.8%
2 vehicles	34.6%
3 or more	41.6%

Heating fuel

Fuel type	%
Utility gas	51.4%
Electricity	20.1%
Propane / LP gas	22.8%
Fuel oil	4.9%
Wood	0.7%

Households & families

Household type	Count	%
Married-couple family	609	64.6%
Cohabiting couple	78	8.3%
Male householder, no spouse	172	18.2%
Female householder, no spouse	84	8.9%
Households with children under 18	161	17.1%
Households with seniors (65+)	290	30.8%
Average household size	3.06

Marital status

Status	Male	Female
Never married	28.7%	40.1%
Married	58.8%	43.5%
Separated	0.6%	0.0%
Widowed	1.4%	2.4%
Divorced	10.5%	14.0%

Education

Less than 9th grade 1.1%

Some HS, no diploma 4.2%

HS graduate 19.4%

Some college, no degree 30.7%

Associate's degree 5.8%

Bachelor's degree 26.4%

Graduate / professional 12.4%

Metric	%
HS diploma or higher	94.7%
Bachelor's or higher	38.8%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	22	5.0%
Kindergarten	2	0.5%
Elementary school	156	35.2%
High school	123	27.8%
College / grad school	140	31.6%

Employment

Industry of employment

Arts, food & hospitality 15.4%

Education & healthcare 14.9%

Professional & management 13.4%

Manufacturing 13.1%

Retail trade 11.0%

Other services 10.4%

Public administration 7.7%

Finance & real estate 4.8%

Transportation & utilities 3.2%

Construction 2.6%

Wholesale trade 1.9%

Agriculture & mining 1.3%

Information 0.3%

Occupation

Category	%
Management, business & arts	32.7%
Service	28.1%
Sales & office	12.5%
Natural resources & construction	4.5%
Production & transportation	22.2%

Employment type

Type	%
Private sector	76.8%
Government	16.0%
Self-employed	7.2%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	63.4%
Carpool	21.8%
Public transit	0.0%
Walk	1.7%
Work from home	12.9%
Other means	0.1%
Avg commute (minutes)	24.1

Poverty

All people 10.0%

Under 18 years 5.8%

18 and over 10.6%

Married-couple families 4.8%

Female-led households 3.1%

Income support

Source	% of households
Social Security	33.7%
Retirement income	44.9%
Supplemental Security	1.4%
Cash public assistance	0.2%
Food stamps / SNAP	9.0%

Health indicators

Condition	%
Obesity	34.1%
High blood pressure	34.2%
High cholesterol	34.0%
Diabetes	10.4%
Heart disease	6.7%
Stroke	2.8%
Asthma	9.2%
Arthritis	27.5%
Kidney disease	2.7%
Pulmonary disease	7.5%
Cancer	7.4%

Behavior / access	%
Smoking	17.4%
Binge drinking	16.6%
No physical activity	20.1%
Less than 7 hrs sleep	32.7%
Depression	22.0%
Fair or poor health	11.7%
Poor mental health	13.9%
Poor physical health	9.1%
No health insurance	8.4%
Visited doctor (checkup)	78.3%
Visited dentist	72.7%
Cholesterol screening	91.9%
Teeth loss	10.5%

Veterans & disability

Veterans	Count	%
Civilian veterans	62	2.5%

Disability	%
Any disability	9.9%
Under 18	2.8%
18–64 years	9.7%
65 and over	15.4%

Health insurance coverage

Type	%
Private insurance	74.7%
Public insurance	31.9%
No insurance	5.5%
Uninsured under 19	0.8%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	2,764	95.9%
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)	2,733	94.9%
Born in same state	2,733	94.9%
Born in different state	2,450	85.0%
Foreign born	0	0.0%
Naturalized citizen	148	5.1%
Not a US citizen	92	62.2%

Ancestry

Ancestry	Count	%
French	350	12.1%
Italian	161	5.6%
Arab	88	3.1%

Ancestry	Count	%
Polish	31	1.1%
English	20	0.7%
Irish	16	0.6%

Technology access

Metric	% of households
Computer access	32.7%
Internet access	98.7%

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

Frequently asked questions about ZIP code 45370

What city is ZIP code 45370 in?

ZIP code 45370 is primarily assigned to Spring Valley, Ohio.

What county is ZIP code 45370 in?

ZIP code 45370 falls within Greene County, Ohio.

Is ZIP code 45370 mostly owner-occupied?

86% of occupied units in ZIP code 45370 are owner-occupied, well above the national average.

What is the median household income in ZIP code 45370?

The median household income in ZIP code 45370 is $114,205, above the national median of ~$75,000.

What is the typical home value in ZIP code 45370?

The median home value in ZIP code 45370 is $323,000.

What is the population of ZIP code 45370?

ZIP code 45370 has an estimated population of 2,881 residents, with a density of 173 people per square mile.

What timezone is ZIP code 45370 in?

ZIP code 45370 observes the EST timezone.