Residential delivery area · Ohio
ZIP Code 45831: Continental, OH
ZIP code 45831 uses the postal name Continental, Ohio and lies mostly in Putnam County (97% of its land) with the rest in Defiance County (Census 2020 ZIP-county file). About 3,200 people live there (Census Bureau, ACS 2020-2024). Median household income is $71,473 (Census Bureau, ACS 2020-2024). By Census place, 2% of its land lies in Continental, and under 1% in smaller places; 98% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Continental · its only residential ZIP
- County
- Putnam County (97%); Defiance County (2%)
- Census places
- Continental
- House districts
- OH-5 (98%), OH-9 (2%) 119th Congress, by share of land
- State
- Ohio
- Time zone
- Eastern
- Land area
- 74.4 sq mi · 43 people per sq mi
Where is ZIP code 45831?
45831 centers on 41.114°, -84.255° and covers 74.4 square miles of land plus 0.2 of water. It borders 7 ZIP codes: 45864, 43548, 45873, 45827, 45875, 45856, 43512.
The map draws ZIP code areas only. For the streets inside 45831, 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 45831 compare with the rest of Putnam County?
| Measure | 45831 | In Putnam County | In OH |
|---|---|---|---|
| People (ACS 2020-2024) | 3,233 | 6th of 20 | 649th of 1,233 |
| Median household income | $72k | 8th of 10 | 379th of 755 |
| Median home value | $168k | 7th of 11 | 540th of 810 |
Its median household income is higher than in 49% of U.S. residential ZIP codes, and it is denser than 40% of all 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 45831?
The 2020 Census counted 3,023 people in 45831; the ACS, which samples households over 2020-2024, estimates 3,233. Between the 2010 and 2020 censuses its population fell 5.0% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 3,233±457 (90% margin)
- 2020 Census count
- 3,023−5.0% since 2010 (3,181)
- Households
- 1,333
- Median age
- 44.6
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 45831?
Of the 3,233 people the ACS estimates in 45831, 25.1% are under 18 and 26.0% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (97.5%).
- Under 1825.1%
- 18 to 6448.8%
- 65 and older26.0%
- White, not Hispanic97.5%
- Hispanic or Latino2.0%
- Other or two or more0.5%
- Black, not Hispanic0.0%
- Asian, not Hispanic0.0%
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 45831 earn?
Median household income is $71,473 (ACS 2020-2024), the 8th highest of the 10 ranked ZIP codes in Putnam County. It is not measurably different from 2015-2019 ($65,926 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $71,473±$14,809
- Income per person
- $33,210
- Below the poverty line
- 9.1%
- Unemployed (of the labor force)
- 8.6%
- Adults 25+ with a bachelor's degree
- 11.6%
- Adjusted gross income per tax return, 2022
- $64,8051,500 returns; wages 71% 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 45831?
FHFA's house price index for 45831, built from repeat sales and appraisals of the same homes, rose 79% from 2015 to 2025 and rose 42% from 2020 to 2025, and moved +6.8% in 2025.
- Median home value (owners' estimate)
- $168,000
- Median gross rent
- $542
- Homes owned by their occupants
- 94.7%
- Housing units
- 1,420
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 45831?
40 business establishments had a location in this ZIP code in 2023, 1 more than in 2018; the most are in wholesale trade (ZIP Code Business Patterns).
- Wholesale trade6
- Retail trade6
- Other services (except public administration)6
- Construction5
- Administrative and support and waste management and remediation services3
- Accommodation and food services3
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 45831?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 45864 | Miller City | 225 | $82k | 6.2 mi |
| 43548 | New Bavaria | 832 | $97k | 6.7 mi |
| 45873 | Oakwood | 2,414 | $62k | 7.0 mi |
| 45827 | Cloverdale | 2,186 | $85k | 8.3 mi |
| 45875 | Ottawa | 11,547 | $93k | 12.1 mi |
| 45856 | Leipsic | 5,042 | $87k | 13.3 mi |
| 43512 | Defiance | 28,022 | $72k | 14.2 mi |
| 45861 | Melrose | 404 | $93k | 9.1 mi (near) |
| 45853 | Kalida | 1,526 | $88k | 9.3 mi (near) |
| 43527 | Holgate | 2,151 | $59k | 10.5 mi (near) |
| 45848 | Glandorf | 76 | $78k | 11.1 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.