Residential delivery area · Idaho
ZIP Code 83607: Caldwell, ID
ZIP code 83607 uses the postal name Caldwell, Idaho and lies mostly in Canyon County (70% of its land), reaching into Payette County and Gem County (Census 2020 ZIP-county file). About 35,000 people live there (Census Bureau, ACS 2020-2024), the less populous of Caldwell's 2 residential ZIP codes. Median household income is $85,399 (Census Bureau, ACS 2020-2024). Its land lies mostly outside any Census place; 3% is in small places.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Caldwell · 2 residential ZIPs
- County
- Canyon County (70%); Payette County (20%); Gem County (10%)
- Metro area
- Boise City, ID
- House district
- ID-1 119th Congress
- State
- Idaho
- Time zone
- Mountain
- Land area
- 230.0 sq mi · 154 people per sq mi
- PO Box ZIPs
- 83606 also use the name Caldwell
Where is ZIP code 83607?
83607 centers on 43.710°, -116.738° and covers 230.0 square miles of land plus 7.8 of water. It borders 12 ZIP codes: 83656, 83626, 83605, 83644, 83676, 83651, 83660, 83687, 83686, 83655 and more.
The map draws ZIP code areas only. For the streets inside 83607, 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 83607 compare with the rest of Caldwell?
| Measure | 83607 | In Caldwell | In Canyon County | In ID |
|---|---|---|---|---|
| People (ACS 2020-2024) | 35,491 | 2nd of 2 | 6th of 13 | 18th of 279 |
| Median household income | $85k | 1st of 2 | 5th of 11 | 33rd of 126 |
| Median home value | $427k | 1st of 2 | 5th of 12 | 44th of 138 |
Its median household income is higher than in 68% of U.S. residential ZIP codes, and it is denser than 60% 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 83607?
The 2020 Census counted 36,024 people in 83607; the ACS, which samples households over 2020-2024, estimates 35,491. Between the 2010 and 2020 censuses its population grew 65.8% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 35,491
- 2020 Census count
- 36,024+65.8% since 2010 (21,732)
- Households
- 11,807
- Median age
- 35.4
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 83607?
Of the 35,491 people the ACS estimates in 83607, 29.1% are under 18 and 14.7% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (67.8%), then Hispanic or Latino (24.7%).
- Under 1829.1%
- 18 to 6456.2%
- 65 and older14.7%
- White, not Hispanic67.8%
- Hispanic or Latino24.7%
- Other or two or more5.8%
- Asian, not Hispanic1.7%
- Black, not Hispanic0.1%
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 83607 earn?
Median household income is $85,399 (ACS 2020-2024), the 5th highest of the 11 ranked ZIP codes in Canyon County. It rose from $66,536 in 2015-2019 (in 2024 dollars), a change larger than the surveys' margins of error.
- Median household income
- $85,399
- Income per person
- $33,017
- Below the poverty line
- 10.9%
- Unemployed (of the labor force)
- 2.1%
- Adults 25+ with a bachelor's degree
- 24.4%
- Adjusted gross income per tax return, 2022
- $77,16416,730 returns; wages 65% 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 83607?
FHFA's house price index for 83607, built from repeat sales and appraisals of the same homes, rose 166% from 2015 to 2025 and rose 55% from 2020 to 2025, and moved +2.2% in 2025.
- Median home value (owners' estimate)
- $426,700
- Median gross rent
- $1,483
- Homes owned by their occupants
- 82.3%
- Housing units
- 12,114
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 83607?
672 business establishments had a location in this ZIP code in 2023, 220 more than in 2018; the most are in construction (ZIP Code Business Patterns).
- Construction268
- Administrative and support and waste management and remediation services67
- Retail trade45
- Other services (except public administration)42
- Professional, scientific, and technical services37
- Transportation and warehousing36
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 83607?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 83656 | Notus | 560 | $65k | 3.1 mi |
| 83626 | Greenleaf | 1,935 | $70k | 5.3 mi |
| 83605 | Caldwell | 41,325 | $68k | 5.3 mi |
| 83644 | Middleton | 16,293 | $97k | 8.1 mi |
| 83676 | Wilder | 5,105 | $67k | 9.3 mi |
| 83651 | Nampa | 38,121 | $70k | 10.2 mi |
| 83660 | Parma | 6,434 | $64k | 11.4 mi |
| 83687 | Nampa | 43,135 | $77k | 12.5 mi |
| 83686 | Nampa | 60,993 | $87k | 16.1 mi |
| 83655 | New Plymouth | 5,748 | $85k | 16.8 mi |
| 83617 | Emmett | 19,058 | $65k | 19.5 mi |
| 83619 | Fruitland | 8,823 | $66k | 19.9 mi |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.