PlainZIP

Riley, KS · standard

ZIP Code 66531

Riley County, Kansas - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.

1,380
14/sq mi
$79,063
Median income
$188,000
Median home value
31.4%
Bachelor's or higher

The verdict

Riley pairs an above-median household income with below-median home values, in a rural, homeowner-dominated area.

Top 39%
household income, US ZIPs
40th pct
home value, US ZIPs
14
people per sq mi
93%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 66531 against every reporting US ZIP.

ZIP code 66531 is a sparsely populated ZIP (a standard USPS delivery area) in Riley, Riley County, Kansas, home to just 1,380 residents across 98.6 square miles, a density of 14 people per square mile, in the Chicago time zone.

ZIP 66531 lands in the middle-income range, with a median household income of $79,063 (10% above the Kansas average), while per-capita income is $37,316. Local economic indicators show a 3.7% poverty rate alongside 2.0% unemployment. The typical home here is valued at $188,000 (16% above the state average); renters pay a median of $1,203 monthly, and 93.0% of units are owner-occupied.

A solid share of residents have a four-year degree: 31.4% of adults hold a bachelor's degree or higher, the median age is 39.9, and the average commute is 26 minutes. A geography-based comparison follows: 2 ZIP codes within about 10 miles of 66531, plus 6 more within Riley County, give a clearer read than the national average alone.

Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →

Top industries in ZIP 66531

Top 5 sectors by establishment count in Riley, KS

Which industries have the most business establishments in ZIP 66531.

establishments

What this shows Establishment counts come from the Census ZIP Code Business Patterns program, which counts physical business locations rather than employees or revenue.

Source U.S. Census Bureau · ZIP Code Business Patterns (ZBP) As of 2023

Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, FHFA HPI for ZIP 66531, Riley, KS · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; FHFA HPI updated quarterly/annually.

Quick Facts

1,380

Population

98.6

Area (sq mi)

14

People / sq mi

Chicago

Time Zone

standard

ZIP Type

Neighborhood Scorecard
Get an A-F grade across income, safety, housing, rent, education, commute, and childcare for this ZIP code.
View Scorecard →

Who lives in ZIP 66531?

39.9

Median Age

46.3%

Male

53.7%

Female

1.0%

Foreign-Born

White 93.3%
African American 0.2%
Asian 0.0%
American Indian or Alaska Native 0.6%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 5.1%
Hispanic or Latino 3.1%

Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How much do residents earn?

$79,063

Median Household Income

+10% vs state

$37,316

Per Capita Income

3.7%

Poverty Rate

2.0%

Unemployment Rate

26.1 min

Mean Commute Time

How ZIP 66531 ranks nationally

Riley, KS household income vs. every US ZIP code

Median household income, the full national distribution, with this ZIP marked

$79,063 Top 39% higher than 61% of 30,318 US ZIPs

$0–$20,000: 118 US ZIPs (0%). Below this entry. $20,000–$40,000: 1,573 US ZIPs (5%). Below this entry. $40,000–$60,000: 7,092 US ZIPs (23%). Below this entry. $60,000–$80,000: 9,980 US ZIPs (33%). This entry sits in this band. $80,000–$100,000: 5,778 US ZIPs (19%). Above this entry. $100,000–$120,000: 2,855 US ZIPs (9%). Above this entry. $120,000–$140,000: 1,362 US ZIPs (4%). Above this entry. $140,000–$160,000: 686 US ZIPs (2%). Above this entry. $160,000–$180,000: 364 US ZIPs (1%). Above this entry. $180,000–$200,000: 186 US ZIPs (1%). Above this entry. $200,000–$220,000: 324 US ZIPs (1%). Above this entry. This ZIP $0 $200K+ every reporting US ZIP, bucketed by value

Each bar is a $20K-wide band; taller bars hold more US ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source U.S. Census Bureau, ACS 5-Year Estimates · 2019–2023

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What is the education profile here?

High School Graduate or Higher 53.4%
Bachelor's Degree or Higher 31.4%

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What does housing look like?

591

Total Housing Units

500

Occupied Units

91

Vacant Units

2.51

Avg Household Size

Occupancy Type

Owner 93.0%
Renter 7.0%

$188,000

Median Home Value

+16% vs state

$1,203

Median Rent

1972

Median Year Built

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What businesses operate in this ZIP?

Census Bureau data shows 31 business establishments in ZIP 66531, employing approximately 147 people with a combined annual payroll of $5,229,000.

31

Businesses

147

Employees

$5.2M

Annual Payroll

3

Industry Sectors

Industry Establishments % of Total
Construction 10 32.3%
Administrative and support and waste management and remediation services 5 16.1%
Other services (except public administration) 5 16.1%

Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.

Nearby ZIP Codes

Want a side-by-side? Compare 66531 vs 66449 →

ZIP 66531 vs its nearest neighbors, by population

Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.

residents

What this shows Among its immediate neighbors, ZIP 66531 ranks #2 by population - useful context the national average alone can't give.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023

ZIP 66531 vs its nearest neighbors, by median income

Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.

median income

What this shows By household income, ZIP 66531 ranks #3 of 3 neighboring ZIPs, local affluence varies block to block, not just metro to metro.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023
ZIP Code City Population Distance
66449 Leonardville, KS 846 5.6 mi
66503 Manhattan, KS 13,428 8.4 mi

More ZIP Codes in Riley County

66502 standard
Manhattan, KS
Pop: 43,850
66442 standard
Fort Riley, KS
Pop: 14,283
66503 standard
Manhattan, KS
Pop: 13,428
66506 standard
Manhattan, KS
Pop: 3,614
66517 standard
Ogden, KS
Pop: 2,087
66449 standard
Leonardville, KS
Pop: 846

Related Areas

Riley County Riley, KS Kansas

Frequently Asked Questions

What county is ZIP code 66531 in? ▼
ZIP code 66531 (Riley) is located in Riley County, Kansas. Riley County contains multiple ZIP codes, see the full list at /counties/riley-ks.
What is the population of ZIP code 66531? ▼
ZIP code 66531 in Riley, KS has a population of 1,380 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 66531? ▼
The median household income in ZIP 66531 is $79,063, which is 4% above the national average of $76,288.
What is the average home value in ZIP 66531? ▼
The median home value in ZIP 66531 is $188,000, which is 32% below the national average of $278,155.
What is the demographic makeup of ZIP 66531? ▼
The largest racial group in ZIP 66531 is White at 93.3%. Hispanic or Latino residents make up 3.1% of the population.
How many businesses are in ZIP code 66531? ▼
ZIP code 66531 has 31 business establishments employing approximately 147 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 66531? ▼
The top industries by establishment count in ZIP 66531 are: Construction (10), Administrative and support and waste management and remediation services (5), Other services (except public administration) (5). There are 3 industry sectors represented in total.
What is the education level in ZIP code 66531? ▼
In ZIP code 66531, 53.4% of residents aged 25+ have a high school diploma or higher, and 31.4% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What is the average commute time in ZIP 66531? ▼
The mean commute time for workers in ZIP code 66531 is 26.1 minutes according to Census ACS data. The national average is roughly 26 minutes, so commuters here spend more time traveling to work than typical.
What percentage of residents own vs. rent in ZIP 66531? ▼
In ZIP code 66531, approximately 93.0% of occupied housing units are owner-occupied and 7.0% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 66531? ▼
The poverty rate in ZIP code 66531 is 3.7% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.

Read our methodology to see how this data is sourced, computed, and verified.