Residential delivery area · Kentucky
ZIP Code 40068: Smithfield, KY
ZIP code 40068 uses the postal name Smithfield, Kentucky and lies mostly in Henry County (69% of its land), reaching into Shelby County and Oldham County (Census 2020 ZIP-county file). About 2,600 people live there (Census Bureau, ACS 2020-2024). Median household income is $80,750 (Census Bureau, ACS 2020-2024). By Census place, under 1% of its land lies in Smithfield; more than 99% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Smithfield · its only residential ZIP
- County
- Henry County (69%); Shelby County (17%); Oldham County (14%)
- Census places
- Smithfield
- Metro area
- Louisville/Jefferson County, KY-IN
- House district
- KY-4 119th Congress
- State
- Kentucky
- Time zone
- Eastern
- Land area
- 43.2 sq mi · 59 people per sq mi
Where is ZIP code 40068?
40068 centers on 38.389°, -85.286° and covers 43.2 square miles of land plus 0.6 of water. It borders 7 ZIP codes: 40019, 40070, 40031, 40050, 40055, 40014, 40065.
The map draws ZIP code areas only. For the streets inside 40068, 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 40068 compare with the rest of Henry County?
| Measure | 40068 | In Henry County | In KY |
|---|---|---|---|
| People (ACS 2020-2024) | 2,570 | 4th of 12 | 281st of 780 |
| Median household income | $81k | 3rd of 6 | 52nd of 310 |
| Median home value | $325k | 2nd of 5 | 26th of 320 |
Its median household income is higher than in 63% of U.S. residential ZIP codes, and it is denser than 45% 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 40068?
The 2020 Census counted 2,752 people in 40068; the ACS, which samples households over 2020-2024, estimates 2,570. Between the 2010 and 2020 censuses its population grew 29.1% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 2,570±440 (90% margin)
- 2020 Census count
- 2,752+29.1% since 2010 (2,131)
- Households
- 922
- Median age
- 45.2
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 40068?
Of the 2,570 people the ACS estimates in 40068, 18.5% are under 18 and 17.6% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (93.6%).
- Under 1818.5%
- 18 to 6463.9%
- 65 and older17.6%
- White, not Hispanic93.6%
- Hispanic or Latino2.5%
- Other or two or more2.2%
- Black, not Hispanic1.6%
- 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 40068 earn?
Median household income is $80,750 (ACS 2020-2024), the 3rd highest of the 6 ranked ZIP codes in Henry County. It is not measurably different from 2015-2019 ($79,535 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $80,750±$14,800
- Income per person
- $43,288
- Below the poverty line
- 12.7%
- Unemployed (of the labor force)
- 2.6%
- Adults 25+ with a bachelor's degree
- 30.9%
- Adjusted gross income per tax return, 2022
- $91,8631,300 returns; wages 72% 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 40068?
FHFA's house price index for 40068, built from repeat sales and appraisals of the same homes, rose 103% from 2015 to 2025 and rose 63% from 2020 to 2025, and moved +12.4% in 2025.
- Median home value (owners' estimate)
- $325,300
- Median gross rent
- $1,036
- Homes owned by their occupants
- 89.4%
- Housing units
- 934
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 40068?
36 business establishments had a location in this ZIP code in 2023, 1 fewer than in 2018; the most are in construction (ZIP Code Business Patterns).
- Construction8
- Retail trade5
- Transportation and warehousing3
- Professional, scientific, and technical services3
- Accommodation and food services3
- Other services (except public administration)3
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 40068?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 40019 | Eminence | 4,238 | $61k | 6.1 mi |
| 40070 | Sulphur | 360 | – | 6.4 mi |
| 40031 | La Grange | 26,259 | $99k | 6.8 mi |
| 40050 | New Castle | 2,045 | $45k | 7.5 mi |
| 40055 | Pendleton | 1,942 | $98k | 7.7 mi |
| 40014 | Crestwood | 23,101 | $121k | 8.6 mi |
| 40065 | Shelbyville | 32,160 | $78k | 12.9 mi |
| 40058 | Port Royal | 37 | $67k | 7.0 mi (near) |
| 40010 | Buckner | 678 | $196k | 9.4 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.