Gregory County, SD demographics:
population, income, and more

Total population
4,016
0.6% year-over-year change
Median household income
$62,917/yr
20.0% year-over-year change
Housing units
2,188
-0.5% year-over-year change

Gregory County population

How many people live in Gregory County

Gregory County is home to 4,016 residents, according to the most recent Census data. Gender-wise, 51.1% of Gregory County locals are male, and 48.9% are female.

Total population
4,016
0.6% year-over-year change
Gender ratio
Male
51.1%
2,053
Female
48.9%
1,963
Value Percent YoY change
Male 2,053 51.1% 0.5%
Female 1,963 48.9% 0.6%
A higher population often means more rental variety and livelier areas. The gender balance—how many men live here compared to women—can reveal a lot about the community and the lifestyles of its residents. Use this info to get a sense of the area's pace and personality.

Age demographics

The median age in Gregory County is 45, with the population distributed as follows: about 19.9% are children under 15, then 10.7% are in the 15 to 24 age group. Adults between 25 and 44 make up 19.6% of the population, while another 23.2% fall into the 45 to 64 bracket. Finally, around 26.6% are 65 or older.

Median age
44.7
Age breakdown
Under 15
19.9%
15 to 24
10.7%
25 to 44
19.6%
45 to 64
23.2%
Over 65
26.6%
Value Percent YoY change
Under 15 800 19.9% 5.5%
15 to 24 431 10.7% -8.5%
25 to 44 785 19.6% 5.2%
45 to 64 932 23.2% -5.8%
Over 65 1,068 26.6% 3.8%
The age composition helps you get insight into who lives in the area. A younger population might mean a more active, fast-paced vibe, while an older one could suggest a quieter, slower lifestyle. If there's a balanced makeup, you’re likely to find a variety of services, housing types, and community spaces that cater to different life stages.

Racial makeup

In Gregory County, 97.7% of the population are US-born citizens, while 2.1% have gained naturalized citizenship. At the same time, 0.2% of residents are non-citizens. As for race, 86.5% of locals are Caucasian, 0.9% are African American and 1.1% have Asian roots. There’s also a share of 7.2% that includes residents with two or more races.

Citizenship
U.S.-born citizens
97.7%
Non-U.S.-born citizens
2.1%
Non-citizens
0.2%
Value Percent YoY change
U.S.-born citizens 3,923 97.7% -1.1%
Non-U.S.-born citizens 84 2.1% 281.8%
Non-citizens 9 0.2% 50.0%
Racial breakdown
White
86.5%
Black or African American
0.9%
American Indian and Alaska Native
4%
Asian
1.1%
Native Hawaiian and other Pacific Islander
0.2%
Two or more races
7.2%
Other
0%
Value Percent
White 3,475 86.5%
Black or African American 35 0.9%
American Indian and Alaska Native 162 4%
Asian 43 1.1%
Native Hawaiian and other Pacific Islander 10 0.2%
Two or more races 291 7.2%

Households in Gregory County

A peek inside Gregory County households

Gregory County has 1,609 households, with an average of 2 members in each. Of these, 60.4% are families, while the remaining 39.6% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
1,609
-1.6% year-over-year change
Average people per household
2
Non-family households
637
Family households
972
Value Percent YoY change
Non-family households 637 39.6% -0.6%
Family households 972 60.4% -2.2%
The mix between family and non-family households gives a glimpse into daily life. A higher percentage of families might mean more parks and schools, while more non-family setups can mean flexible housing and diverse living styles. For renters, this can signal what kinds of homes are common and can help you figure out if the area matches your lifestyle.

Housing in Gregory County

The housing landscape of Gregory County

Gregory County's housing consists of 2,188 units, with 83.3% being detached single-family homes ideal for those wanting space. Attached options, including duplexes and townhouses, make up 1.4% and offer a more compact, shared living style. Then there are the multifamily buildings in the area, and for those seeking flexibility, non-traditional options like mobile homes account for 6.9% of the housing landscape.

Housing units
2,188
-0.5% year-over-year change
Housing types
Value Percent
1 unit, detached 1,822 83.3%
1 unit, attached 31 1.4%
2 units 12 0.6%
3 or 4 units 26 1.2%
5 to 9 units 78 3.6%
10 to 19 units 61 2.8%
20 to 49 units 8 0.4%
Mobile home 150 6.9%
Homes built since 2020
13
333.3% year-over-year change

The age of buildings in Gregory County

In Gregory County, the median construction year is 1963. About 30.8% of homes were built before the 1940s, with another 6.1% going up by 1949. Most development happened in the second half of the 20th century. Then, 9% of homes were added from 2000 to 2009, 7.6% between 2010 and 2019, and 0.6% are part of the newest wave of development.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 675 30.8% -13.5%
Built between 1940 and 1949 133 6.1% -0.8%
Built between 1950 and 1959 220 10% 15.2%
Built between 1960 and 1969 197 9% 2.1%
Built between 1970 and 1979 279 12.8% 15.3%
Built between 1980 and 1989 144 6.6% -6.5%
Built between 1990 and 1999 163 7.4% 14.8%
Built between 2000 and 2009 197 9% -2.5%
Built between 2010 and 2019 167 7.6% 5.7%
Built in 2020 or later 13 0.6% 333.3%
As a renter, knowing when homes were built helps you understand the potential condition and design of rental units. Newer builds may have more contemporary layouts, while older homes can offer character or larger lots, depending on the area.

Gregory County occupancy rates

Out of the 1,609 occupied housing units in Gregory County, 76.7% are owner-occupied, while 23.3% are lived in by tenants. Meanwhile, 26.5% of all homes on the local market sit vacant.

Occupied housing units
1,609
-1.6% year-over-year change
Occupancy breakdown
Renter occupied
375
Owner occupied
1,234
Value Percent YoY
change
Renter occupied 375 23.3% 5.9%
Owner occupied 1,234 76.7% -3.7%
Unoccupied housing units
26.5%
Unoccupied housing units refer to homes that are currently without residents—whether they're waiting for renters or owners, used seasonally, or simply unclaimed. A higher share of empty homes may mean more housing availability, while a low number can reflect a tighter market with more competition. This, along with the renter-vs.-owner mix, helps paint a clearer picture of what types of housing and services are likely to be available in the area.

Gregory County housing costs

Housing costs in Gregory County come to a median of $586 per month, while tenants specifically pay a median gross rent of $614.

Median housing costs per month
$586/month
This figure sums up typical monthly housing costs for all households in the area. If you own, it includes mortgage payments in addition to property taxes, insurance and HOA fees. If you rent, it accounts for rent plus extras like utilities. It’s useful for seeing how local living expenses stack up compared to other places.
Median gross rent in Gregory County
$614/month
Gross rent gives a more complete look at what renters actually pay, including not just base rent, but also utilities and fees. It’s a key number for evaluating rental affordability in your area of interest and understanding how it compares to nearby locations.

Education in Gregory County

Gregory County education at a glance

About 44.5% of the population in Gregory County went to high school, while 19.6% pursued college studies. Another 11.7% earned an associate degree and 14.8% hold a bachelor’s. Meanwhile, 6.2% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 100 3.3% 29.9%
High school diploma 1,351 44.5% -2.4%
College diploma 594 19.6% -1.2%
Associate degree 354 11.7% -1.7%
Bachelor's degree 451 14.8% 14.8%
Graduate degree 187 6.2% -7.9%
A community’s education mix can offer insights into the local economy and housing market. Higher levels of education often align with more job opportunities and stable incomes, which can increase demand for homes and influence both rent prices and rental availability.

Income in Gregory County

How much people earn in Gregory County

The average annual household income in Gregory County was $81,084 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a +10.4% change from the previous year. At the same time, the median income stood at $62,917, reflecting a +20% shift over the same period.

Average household income in Gregory County
$81,084/year
10.4% year-over-year change
Median household income in Gregory County
$62,917/year
20.0% year-over-year change

Gregory County income by age

In Gregory County, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $91,023. Those with someone between 45 and 64 in charge, often well established professionally, earn $59,500 overall. Younger households, where the main provider is under 25 and just starting out, report a median income of $39,500, while those led by someone over 65, many of whom may be retired, have about $50,417 in earnings. Overall, 90.5% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
Under 25 $39,500 -2.3%
25 - 44 $91,023 13.0%
45 - 64 $59,500 1.2%
Over 65 $50,417 13.2%
Above poverty level
3,546
Below poverty level
372
Value Percent YoY
change
Above poverty level 3,546 90.5% 2.1%
Below poverty level 372 9.5% -12.7%

Employment in Gregory County

Workforce and job types in Gregory County

The job market in Gregory County is powered by 1,963 working residents, spread across a range of industries and roles. 70.6% of the working population are employed in professional or administrative positions, while 29.4% are in hands-on or service-based jobs. Also, 23.6% run their own businesses, 52.5% are employed by private companies, and 13.3% work in the public sector.

Workforce demographics

Working population
1,963
-1.2% year-over-year change
White collar
1,386
Blue collar
577
Value Percent YoY change
White collar 1,386 70.6% -4.4%
Blue collar 577 29.4% 7.7%
Employer type
Self employees
23.6%
Private companies
52.5%
Governmental workers
13.3%
Not for profit companies
10.6%
Value Percent YoY change
Self employees 464 23.6% -10.2%
Private companies 1,030 52.5% 3.6%
Governmental workers 261 13.3% -10.6%
Not for profit companies 208 10.6% 13.7%
Unemployment rate
2.3%
-25.8% year-over-year change

Available workforce

The unemployment rate in Gregory County stands at 2.3%, representing the share of the workforce currently without a job and actively looking for one.

For renters, the unemployment rate helps paint a picture of job security and financial stability in the area. Rates around 4% to 5% are considered typical. A lower-than-average rate might suggest strong job prospects and a thriving local economy, while a higher rate could hint at fewer opportunities—both useful to consider when planning a move.

Transportation in Gregory County

How people get around in Gregory County

In Gregory County, the average commute time is 16 minutes. Commuting methods vary: 85.4% of residents travel by personal vehicle and 4.8% prefer to walk, while the remaining share relies on public transit or on two wheelers to get from A to B.

Commute time
16 min
-3.6% year-over-year change
Means of transportation
Value Percent YoY change
Car 1,666 85.4% -2.1%
Bicycle 2 0.1% N/A
Walk 94 4.8% 4.4%
Understanding how locals get to work can help you plan your own routine. High car usage might mean you’ll need a vehicle, while strong public transit or walkability could save you the hassle. Commute times also play a big role in quality of life—shorter trips can give you more time for the things you enjoy.

What is the median and average household income in Gregory County by zipcode?

Zipcode Population Number of households Median income Average income
68719 154 79 $0 $91,134
57317 573 194 $50,833 $68,156
57335 303 141 $92,813 $98,750
57523 1,041 416 $68,750 $86,761
57529 245 123 $75,313 $83,026
57533 1,674 670 $58,500 $76,202
57538 236 93 $46,875 $93,514
57571 22 12 $0 $33,767

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FAQs about Gregory County demographics 

What is the total population of Gregory County?

Gregory County has a total population of 4,016 residents, according to the latest release from the U.S. Census Bureau: the 2019-2023 American Community Survey (ACS) 5-year estimates. This figure changed by +0.6% compared to a year ago.

What is the gender ratio in Gregory County?

The gender ratio in Gregory County is as follows:
  • 51.1% males (2,053 residents)
  • 48.9% females (1,963 residents)

What is the median age in Gregory County?

The median age in Gregory County is 44.7.

What is the age distribution of the population in Gregory County?

The age distribution in Gregory County is as follows:
  • Under 15: 19.9% (800 residents)
  • Ages 15-24: 10.7% (431 residents)
  • Ages 25-44: 19.6% (785 residents)
  • Ages 45-64: 23.2% (932 residents)
  • Over 65: 26.6% (1,068 residents)

What is the racial and ethnic makeup of Gregory County?

The racial and ethnic makeup of Gregory County is as follows:
  • White: 86.5% (3,475 residents)
  • Black or African American: 0.9% (35 residents)
  • American Indian and Alaska Native: 4% (162 residents)
  • Asian: 1.1% (43 residents)
  • Native Hawaiian and Other Pacific Islander: 0.2% (10 residents)
  • Two or More Races: 7.2% (291 residents)
  • Other: 0% (0 residents)

What percentage of the population in Gregory County are U.S.-born citizens?

U.S.-born citizens represent 97.7% of the population in Gregory County.

How many housing units are there in Gregory County?

There are 2,188 housing units in Gregory County, reflecting a -0.5% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

How many households are in Gregory County and what is the average household size?

Gregory County has a total of 1,609 households, with an average of 2 people in each.

What is the median household income in Gregory County?

Gregory County has a median household income of $62,917, representing a +20.0% shift from the previous year, according to the U.S. Census Bureau.

What is the employment rate and job market overview for Gregory County?

The employment rate is 97.7% in Gregory County, with a workforce of 1,963 residents. Here’s a detailed breakdown of the local job market:

Job types:
  • White-collar workers: 70.6% (1,386 residents)
  • Blue-collar workers: 29.4% (577 residents)

Places of employment:
  • Self-employed: 23.6% (464 residents)
  • Private companies: 52.5% (1,030 residents)
  • Governmental workers: 13.3% (261 residents)
  • Not-for-profit companies: 10.6% (208 residents)

Data source & methodology

The demographic data on this page was sourced from the latest U.S. Census Bureau release—the 2019–2023 American Community Survey (ACS) 5-year estimates.

The information, issued annually, is compiled and published by the Point2Homes Research Team as soon as new data becomes available.

No representation, guarantee, or warranty is made concerning the accuracy or completeness of modified or aggregated information for particular areas.

Page last updated: September 2025