Residential delivery area · Indiana
ZIP Code 46168: Plainfield, IN
ZIP code 46168 is in Plainfield, Indiana, entirely in Hendricks County (Census 2020 ZIP-county file). About 39,000 people live there (Census Bureau, ACS 2020-2024). Median household income is $90,000 (Census Bureau, ACS 2020-2024). By Census place, its land lies in Plainfield (60%) and Avon (6%); 34% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Plainfield · its only residential ZIP
- County
- Hendricks County
- Census places
- Plainfield (60%); Avon (6%)
- Metro area
- Indianapolis-Carmel-Greenwood, IN
- House district
- IN-4 119th Congress
- State
- Indiana
- Time zone
- Eastern
- Land area
- 32.8 sq mi · 1,183 people per sq mi
Where is ZIP code 46168?
46168 centers on 39.690°, -86.393° and covers 32.8 square miles of land plus 0.2 of water. It borders 6 ZIP codes: 46231, 46123, 46113, 46118, 46158, 46122.
The map draws ZIP code areas only. For the streets inside 46168, 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 46168 compare with the rest of Hendricks County?
| Measure | 46168 | In Hendricks County | In IN |
|---|---|---|---|
| People (ACS 2020-2024) | 38,826 | 3rd of 18 | 36th of 807 |
| Median household income | $90k | 6th of 13 | 82nd of 478 |
| Median home value | $297k | 7th of 17 | 57th of 509 |
Its median household income is higher than in 73% of U.S. residential ZIP codes, and it is denser than 80% 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 46168?
The 2020 Census counted 37,681 people in 46168; the ACS, which samples households over 2020-2024, estimates 38,826. Between the 2010 and 2020 censuses its population grew 24.3% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 38,826
- 2020 Census count
- 37,681+24.3% since 2010 (30,309)
- Households
- 13,822
- Median age
- 38.0
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 46168?
Of the 38,826 people the ACS estimates in 46168, 20.8% are under 18 and 16.3% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (74.5%), then Black (not Hispanic) (11.2%).
- Under 1820.8%
- 18 to 6462.9%
- 65 and older16.3%
- White, not Hispanic74.5%
- Black, not Hispanic11.2%
- Hispanic or Latino6.5%
- Other or two or more4.8%
- Asian, not Hispanic3.0%
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 46168 earn?
Median household income is $90,000 (ACS 2020-2024), the 6th highest of the 13 ranked ZIP codes in Hendricks County. It is not measurably different from 2015-2019 ($84,011 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $90,000
- Income per person
- $39,739
- Below the poverty line
- 8.5%
- Unemployed (of the labor force)
- 3.6%
- Adults 25+ with a bachelor's degree
- 34.7%
- Adjusted gross income per tax return, 2022
- $82,54518,820 returns; wages 70% 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 46168?
FHFA's house price index for 46168, built from repeat sales and appraisals of the same homes, rose 93% from 2015 to 2025 and rose 48% from 2020 to 2025, and moved +3.2% in 2025.
- Median home value (owners' estimate)
- $297,200
- Median gross rent
- $1,491
- Homes owned by their occupants
- 66.6%
- Housing units
- 14,413
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 46168?
1,019 business establishments had a location in this ZIP code in 2023, 148 more than in 2018; the most are in retail trade (ZIP Code Business Patterns).
- Retail trade140
- Transportation and warehousing133
- Accommodation and food services129
- Health care and social assistance103
- Other services (except public administration)94
- Construction81
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 46168?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 46231 | Indianapolis | 10,371 | $72k | 4.0 mi |
| 46123 | Avon | 43,353 | $104k | 5.2 mi |
| 46113 | Camby | 17,192 | $85k | 6.1 mi |
| 46118 | Clayton | 4,709 | $78k | 7.7 mi |
| 46158 | Mooresville | 24,878 | $81k | 7.7 mi |
| 46122 | Danville | 16,974 | $100k | 10.4 mi |
| 46183 | West Newton | 34 | – | 6.4 mi (near) |
| 46241 | Indianapolis | 32,565 | $54k | 6.7 mi (near) |
| 46221 | Indianapolis | 27,027 | $65k | 8.2 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.