Residential delivery area · Ohio

ZIP Code 45370: Spring Valley, OH

ZIP code 45370 uses the postal name Spring Valley, Ohio and lies entirely in Greene County (Census 2020 ZIP-county file). About 2,500 people live there (Census Bureau, ACS 2020-2024). Median household income is $122,000 (Census Bureau, ACS 2020-2024). By Census place, 2% of its land lies in Spring Valley; 98% is outside any Census place.

  • ACS2020-24
  • Census2020
  • FHFA2025
  • ZBP2023
  • IRS2022
4national area: Ohio, Indiana, Kentucky and Michigan
453sectional center: Dayton, OH (SCF 453)
70delivery area within it
Town
Spring Valley · its only residential ZIP
Census places
Spring Valley
Metro area
Dayton-Kettering-Beavercreek, OH
House district
OH-10 119th Congress
State
Ohio
Time zone
Eastern
Land area
16.7 sq mi · 151 people per sq mi

Where is ZIP code 45370?

45370 centers on 39.608°, -84.033° and covers 16.7 square miles of land plus 0.1 of water. It borders 4 ZIP codes: 45305, 45068, 45458, 45385.

45068 · Waynesville45305 · Bellbrook45385 · Xenia45458 · Dayton45370 · Spring Valley (this ZIP)453704538545068453054545845068 · Waynesville45305 · Bellbrook45385 · Xenia45458 · Dayton45370 · Spring Valley (this ZIP)453704538545068453054545845068 · Waynesville45305 · Bellbrook45385 · Xenia45458 · Dayton45370 · Spring Valley (this ZIP)4537045385450684530545458
Shaded by median household income, in national fifths (ACS 2020-2024); 45370 outlined. Census 2020 ZCTA boundaries. <$54.1k$98.1k+no figure

The map draws ZIP code areas only. For the streets inside 45370, open its center on OpenStreetMap.

Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries and the 2023 Gazetteer (2020 ZCTAs); ZIP-to-county shares, Census places and House districts (119th Congress) from the Census 2020 relationship files (shares of land); metro area from the OMB delineation (July 2023); town name and time zone from simplemaps US ZIP Codes (CC BY 4.0).

How does 45370 compare with the rest of Greene County?

Rank of 45370 among the residential ZIP codes of its town, county and state (1 = the most; income and home value among ZIP codes of 1,000+ people living in households)
Measure45370In Greene CountyIn OH
People (ACS 2020-2024)2,51818th of 25714th of 1,233
Median household income$122knot rankednot ranked
Median home value$352knot rankednot ranked

45370's median household income is not ranked: its 90% margin of error (±$47,785) is more than a quarter of the figure ($122,000); 45370's median home value is not ranked: its 90% margin of error (±$92,233) is more than a quarter of the figure ($352,000). Rankings use ZIP codes of 1,000 or more people living in households, with margins at most 25% of the figure.

It is denser than 59% of U.S. residential ZIP codes. ZIP codes at the ACS caps ($250,000 or more for household income, $2,000,000 or more for home value) share the top rank.

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B19013, B25077); ranks by PlainZIP over residential ZIP codes (ZCTAs).

How many people live in 45370?

The 2020 Census counted 2,379 people in 45370; the ACS, which samples households over 2020-2024, estimates 2,518. Its boundary changed between the 2010 and 2020 censuses, so the two counts are not compared.

People, ACS 2020-2024
2,518±637 (90% margin)
2020 Census count
2,379
Households
892
Median age
55.8

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B01002, B11001); 2020 Census (DHC P1); 2010 Census (SF1 P1).

Who lives in 45370?

Of the 2,518 people the ACS estimates in 45370, 13.2% are under 18 and 24.8% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (87.0%).

  • Under 1813.2%
  • 18 to 6462.0%
  • 65 and older24.8%
Age of the people of 45370 (ACS 2020-2024, B01001)
  • White, not Hispanic87.0%
  • Other or two or more8.1%
  • Asian, not Hispanic4.2%
  • Black, not Hispanic0.6%
  • Hispanic or Latino0.0%
Race and Hispanic origin in 45370 (ACS 2020-2024, B03002); each person counted once

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01001 age by sex, B03002 Hispanic or Latino origin by race); shares of the estimated population, small ZIP codes carry wide margins.

What do households in 45370 earn?

Median household income is $122,000 (ACS 2020-2024).

Median household income
$122,000±$47,785
Income per person
$66,921
Below the poverty line
8.3%
Unemployed (of the labor force)
7.0%
Adults 25+ with a bachelor's degree
44.7%
Adjusted gross income per tax return, 2022
$122,1331,200 returns; wages 59% of AGI (IRS)

Source: U.S. Census Bureau, ACS 2020-2024 and 2015-2019 5-year estimates (B19013, B19301, B17001, B23025, B15003; 2015-2019 dollars converted with the BLS CPI-U, 1.22699); IRS Statistics of Income, ZIP code data, tax year 2022 (adjusted gross income per return, filed under the address on the return).

What are homes worth in 45370?

FHFA's house price index for 45370, built from repeat sales and appraisals of the same homes, rose 81% from 2015 to 2025 and rose 46% from 2020 to 2025, and moved −2.7% in 2025.

Median home value (owners' estimate)
$352,000
Median gross rent
$1,125
Homes owned by their occupants
89.9%
Housing units
909
0 100 200 300 400 198619902000201020202025 0 100 200 300 400 198619902000201020202025 0 100 200 300 400 198619902000201020202025
Index = 100 in 1986, the first year FHFA reports for 45370; 2025: 361.8. Annual, not seasonally adjusted; FHFA calls its ZIP-level indexes developmental.

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001); FHFA House Price Index, annual five-digit ZIP, updated 2026-03-31.

What businesses are in 45370?

46 business establishments had a location in this ZIP code in 2023, 2 fewer than in 2018; the most are in construction (ZIP Code Business Patterns).

  • Construction12
  • Administrative and support and waste management and remediation services5
  • Other services (except public administration)5
  • Professional, scientific, and technical services4
  • Transportation and warehousing3
  • Real estate and rental and leasing3

Source: U.S. Census Bureau, ZIP Code Business Patterns 2023 and 2018 (establishments with paid employees, by the business's ZIP code).

Which ZIP codes are next to 45370?

ZIP codes that share a boundary with 45370, then the nearest by center
ZIPTownPeopleHousehold incomeDistance
45305Bellbrook11,498$123k3.6 mi
45068Waynesville11,597$96k5.5 mi
45458Dayton38,712$110k6.6 mi
45385Xenia40,617$77k7.6 mi
45440Dayton22,358$82k5.7 mi (near)
45301Alpha224–7.1 mi (near)
45032Harveysburg683$67k7.4 mi (near)
45459Dayton28,553$90k7.6 mi (near)

Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.