Residential delivery area · Pennsylvania
ZIP Code 16046: Mars, PA
ZIP code 16046 uses the postal name Mars, Pennsylvania and lies mostly in Butler County (80% of its land) with the rest in Allegheny County (Census 2020 ZIP-county file). About 20,000 people live there (Census Bureau, ACS 2020-2024). Median household income is $151,560 (Census Bureau, ACS 2020-2024). By Census place, its land lies in Seven Fields (4%) and Mars (2%); 94% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Mars · its only residential ZIP
- County
- Butler County (80%); Allegheny County (20%)
- Census places
- Seven Fields (4%); Mars (2%)
- Metro area
- Pittsburgh, PA
- House districts
- PA-16 (80%), PA-17 (20%) 119th Congress, by share of land
- State
- Pennsylvania
- Time zone
- Eastern
- Land area
- 22.8 sq mi · 866 people per sq mi
Where is ZIP code 16046?
16046 centers on 40.703°, -80.024° and covers 22.8 square miles of land plus 0.0 of water. It borders 9 ZIP codes: 16024, 16066, 15086, 16059, 15090, 15044, 16033, 15005, 16002.
The map draws ZIP code areas only. For the streets inside 16046, 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 16046 compare with the rest of Butler County?
| Measure | 16046 | In Butler County | In PA |
|---|---|---|---|
| People (ACS 2020-2024) | 19,757 | 4th of 36 | 202nd of 1,833 |
| Median household income | $152k | 1st of 25 | 33rd of 1,015 |
| Median home value | $481k | 1st of 27 | 65th of 1,069 |
Its median household income is higher than in 96% of U.S. residential ZIP codes, and it is denser than 77% 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 16046?
The 2020 Census counted 19,257 people in 16046; the ACS, which samples households over 2020-2024, estimates 19,757. Between the 2010 and 2020 censuses its population grew 33.8% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 19,757
- 2020 Census count
- 19,257+33.8% since 2010 (14,396)
- Households
- 7,290
- Median age
- 41.5
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 16046?
Of the 19,757 people the ACS estimates in 16046, 26.7% are under 18 and 14.9% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (86.1%).
- Under 1826.7%
- 18 to 6458.4%
- 65 and older14.9%
- White, not Hispanic86.1%
- Asian, not Hispanic8.8%
- Other or two or more3.2%
- Hispanic or Latino1.4%
- Black, not Hispanic0.5%
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 16046 earn?
Median household income is $151,560 (ACS 2020-2024), the highest of the 25 ranked ZIP codes in Butler County. It is not measurably different from 2015-2019 ($138,343 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $151,560
- Income per person
- $72,260
- Below the poverty line
- 2.8%
- Unemployed (of the labor force)
- 4.2%
- Adults 25+ with a bachelor's degree
- 69.9%
- Adjusted gross income per tax return, 2022
- $174,9289,700 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 16046?
FHFA's house price index for 16046, built from repeat sales and appraisals of the same homes, rose 70% from 2015 to 2025 and rose 49% from 2020 to 2025, and moved +0.9% in 2025.
- Median home value (owners' estimate)
- $481,300
- Median gross rent
- $1,711
- Homes owned by their occupants
- 84.7%
- Housing units
- 7,532
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 16046?
494 business establishments had a location in this ZIP code in 2023, 18 more than in 2018; the most are in professional, scientific, and technical services (ZIP Code Business Patterns).
- Professional, scientific, and technical services67
- Health care and social assistance67
- Construction53
- Accommodation and food services48
- Retail trade39
- Other services (except public administration)38
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 16046?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 16024 | Callery | 210 | $73k | 2.7 mi |
| 16066 | Cranberry Township | 33,873 | $124k | 4.3 mi |
| 15086 | Warrendale | 788 | $131k | 4.8 mi |
| 16059 | Valencia | 10,062 | $111k | 5.1 mi |
| 15090 | Wexford | 25,763 | $161k | 5.8 mi |
| 15044 | Gibsonia | 27,370 | $137k | 6.0 mi |
| 16033 | Evans City | 8,185 | $108k | 6.6 mi |
| 15005 | Baden | 9,570 | $73k | 9.4 mi |
| 16002 | Butler | 15,587 | $90k | 11.8 mi |
| 15015 | Bradfordwoods | 1,291 | $155k | 5.5 mi (near) |
| 15007 | Bakerstown | 256 | – | 6.0 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.