Residential delivery area · Kansas
ZIP Code 66078: Princeton, KS
ZIP code 66078 uses the postal name Princeton, Kansas and lies entirely in Franklin County (Census 2020 ZIP-county file). About 810 people live there (Census Bureau, ACS 2020-2024). Median household income is $80,000 (Census Bureau, ACS 2020-2024). By Census place, under 1% of its land lies in Princeton; more than 99% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2024
- ZBP2023
- IRS2022
- Town
- Princeton · its only residential ZIP
- County
- Franklin County
- Census places
- Princeton
- Micro area
- Ottawa, KS
- House district
- KS-3 119th Congress
- State
- Kansas
- Time zone
- Central
- Land area
- 64.4 sq mi · 12 people per sq mi
Where is ZIP code 66078?
66078 centers on 38.485°, -95.258° and covers 64.4 square miles of land plus 0.8 of water. It borders 4 ZIP codes: 66080, 66079, 66067, 66095.
The map draws ZIP code areas only. For the streets inside 66078, 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 66078 compare with the rest of Franklin County?
| Measure | 66078 | In Franklin County | In KS |
|---|---|---|---|
| People (ACS 2020-2024) | 805 | 9th of 13 | 372nd of 704 |
| Median household income | $80k | not ranked | not ranked |
| Median home value | $206k | not ranked | not ranked |
66078's income and home value are not ranked: it has fewer than 1,000 residents (805). Rankings use ZIP codes of 1,000 or more people living in households, with margins at most 25% of the figure.
It is denser than 19% of 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 66078?
The 2020 Census counted 957 people in 66078; the ACS, which samples households over 2020-2024, estimates 805. Between the 2010 and 2020 censuses its population fell 0.4% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 805±224 (90% margin)
- 2020 Census count
- 957−0.4% since 2010 (961)
- Households
- 296
- Median age
- 45.1
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 66078?
Of the 805 people the ACS estimates in 66078, 19.3% are under 18 and 21.1% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (94.4%).
- Under 1819.3%
- 18 to 6459.6%
- 65 and older21.1%
- White, not Hispanic94.4%
- Hispanic or Latino4.2%
- Other or two or more1.4%
- 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 66078 earn?
Median household income is $80,000 (ACS 2020-2024). It is not measurably different from 2015-2019 ($69,684 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $80,000±$34,688
- Income per person
- $36,504
- Below the poverty line
- 15.5%
- Unemployed (of the labor force)
- 3.4%
- Adults 25+ with a bachelor's degree
- 36.3%
- Adjusted gross income per tax return, 2022
- $67,850420 returns; wages 77% 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 66078?
- Median home value (owners' estimate)
- $205,900
- Median gross rent
- $1,000
- Homes owned by their occupants
- 92.6%
- Housing units
- 332
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 66078?
10 business establishments had a location in this ZIP code in 2023, 1 fewer than in 2018; the most are in retail trade (ZIP Code Business Patterns).
- Retail trade4
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 66078?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 66080 | Richmond | 980 | $91k | 5.0 mi |
| 66079 | Rantoul | 752 | $54k | 8.2 mi |
| 66067 | Ottawa | 16,330 | $77k | 9.4 mi |
| 66095 | Williamsburg | 583 | $71k | 10.2 mi |
| 66042 | Lane | 929 | $68k | 10.5 mi (near) |
| 66033 | Greeley | 672 | $92k | 11.2 mi (near) |
| 66076 | Pomona | 2,416 | $74k | 14.3 mi (near) |
| 66032 | Garnett | 4,971 | $70k | 14.3 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.