Hay Green is in Therfield, Royston and in North Hertfordshire district. SG8 9QJ is located in the Ermine electoral ward, within the English Parliamentary constituency of North East Hertfordshire. This postcode has been in use since 1980-01-01.
StreetScan combines information about Hay Green, Therfield, Royston, SG8 9QJ and displays a report on the quality of life in this place and its surroundings.
Nearby postcodes are: SG8 9QG, SG8 9QL, SG8 9QH, SG8 9QS, SG8 9FN.
In the UK, the overall gender distribution is approximately 49% male and 51% female. However, the area surrounding SG8 9QJ, has a female population slightly higher than UK average, with 54.5% of residents being female. Several factors can contribute to this. Women generally live longer than men, resulting in a higher proportion of women in neighborhoods with significant elderly populations. Typically, as people grow older, they tend to relocate from city center addresses to suburban areas, smaller towns, and rural locations. Consequently, these areas often have a higher number of females. A higher female population can also be found in areas with industries that employ more women, such as healthcare, education, and retail.
| 2011 | 2021 | 10y change (pp) | UK Average | postcode vs UK (pp) | |
|---|---|---|---|---|---|
| Female | 52.3% | 54.5% | 2.2% | 51.0% | 3.5% |
| Male | 47.7% | 45.5% | -2.2% | 49.0% | -3.5% |
Across the UK, the average relationship status breakdown is roughly 44% married, 38% single, 9% divorced, 6% widowed, and 2% separated.
In the immediate area around SG8 9QJ, a significant portion of the population is single, making up 50.5% of the residents. On average, approximately 38% of individuals who responded to the census in the UK were single. Areas with higher single populations are typically urban centers, university towns, regions with dynamic job markets, rich cultural offerings and entertainment facilities. These regions also tend to have a younger demographic.
| 2011 | 2021 | 10y change (pp) | UK Average | postcode vs UK (pp) | |
|---|---|---|---|---|---|
| Single | 41.6% | 50.5% | 8.9% | 37.9% | 12.6% |
| Married: Opposite sex | 37.1% | 34.2% | -2.9% | 44.2% | -10.0% |
| Separated | 6.7% | 3.6% | -3.1% | 2.2% | 1.4% |
| Divorced | 10.1% | 9% | -1.1% | 9.1% | -0.1% |
| Widowed | 4.5% | 2.7% | -1.8% | 6.1% | -3.4% |
Across the UK, the average 48.4% rated their health as Very Good, 33.6% as Good, 12.7% as Fair, 4% as Bad, and 1.2% as Very Bad.
Population age significantly impacts residents' health. Additionally, socioeconomic status plays a crucial role: higher income levels and lower poverty rates are linked to better health outcomes. Affluent areas benefit from higher living standards, access to private healthcare, and healthier lifestyle choices.
This area has a high percentage of residents reporting their health as Good or Very Good (86.3%) compared to the average (82%). This typically indicates either a younger population or more affluent area.
| 2011 | 2021 | 10y change (pp) | UK Average | postcode vs UK (pp) | |
|---|---|---|---|---|---|
| Very good health | 50.8% | 51.9% | 1.1% | 48.4% | 3.5% |
| Good health | 33.8% | 34.4% | 0.6% | 33.6% | 0.8% |
| Fair health | 9.2% | 7.8% | -1.4% | 12.7% | -4.9% |
| Bad health | 3.1% | 4.5% | 1.4% | 4.0% | 0.5% |
| Very bad health | 3.1% | 1.3% | -1.8% | 1.2% | 0.1% |
During the 2021 census, the educational qualifications of residents across the UK were as follows: 18.2% had no qualifications, 9.6% had 1-4 GCSEs, 13.4% had 5 or more GCSEs and 1-2 A/AS Levels, 16.9% had 2 or more A Levels, 33.8% held a degree (or equivalent), and 5.4% had completed an apprenticeship.
This area stands out for its low percentage of residents with higher education degree. The UK average is 33.8%, while in this area it is 20.5%.
| 2011 | 2021 | 10y change (pp) | UK Average | postcode vs UK (pp) | |
|---|---|---|---|---|---|
| No qualifications | 34.8% | 14.3% | -20.5% | 18.2% | -3.9% |
| 1-4 GCSEs or Equivalent | 16.9% | 17.9% | 1.0% | 9.6% | 8.3% |
| 5 or more GCSEs, an A-Level or 1-2 AS Levels | 10.1% | 21.4% | 11.3% | 13.4% | 8.0% |
| Apprenticeship | 1.1% | 7.1% | 6.0% | 5.3% | 1.8% |
| HNC, HND or 2+ A Levels | 13.5% | 17.9% | 4.4% | 16.9% | 1.0% |
| Degree or Similar | 22.5% | 20.5% | -2.0% | 33.8% | -13.3% |
| Other | 1.1% | 0.9% | -0.2% | 2.8% | -1.9% |
In this area, the population is predominantly white, with 97.4% identifying as such, significantly higher than the UK average of 81.4%. This indicates a lower level of ethnic diversity compared to the broader UK population.
| 2011 | 2021 | 10y change (pp) | UK Average | postcode vs UK (pp) | |
|---|---|---|---|---|---|
| Mixed White and Caribbean | 3.1% | 0% | -3.1% | 0.9% | -0.9% |
| Mixed Other | 0% | 1.3% | 1.3% | 0.8% | 0.5% |
| White | 96.9% | 97.4% | 0.5% | 81.4% | 16.0% |
| Other | 0% | 1.3% | 1.3% | 1.6% | -0.3% |
In this area, 96.1% of the population were born in the United Kingdom, which is higher than the UK average of 83.2%.
| 2011 | 2021 | 10y change (pp) | UK Average | postcode vs UK (pp) | |
|---|---|---|---|---|---|
| United Kingdom | 97.7% | 96.1% | -1.6% | 83.2% | 12.9% |
| European Union | 2.3% | 1.3% | -1.0% | 6.1% | -4.8% |
| Rest of Europe | 0% | 0.7% | 0.7% | 0.8% | -0.1% |
| The Americas and the Caribbean | 0% | 1.3% | 1.3% | 1.3% | 0.0% |
| Oceania | 0% | 0.7% | 0.7% | 0.3% | 0.4% |
| 2011 | 2021 | 10y change (pp) | UK Average | postcode vs UK (pp) | |
|---|---|---|---|---|---|
| Born in the UK | 97.7% | 96.1% | -1.6% | 83.2% | 12.9% |
| 10+ Years | 0% | 3.3% | 3.3% | 9.8% | -6.5% |
| 5-10 Years | 0% | 0.7% | 0.7% | 2.9% | -2.2% |
| Less than 2 years | 2.3% | 0% | -2.3% | 1.9% | -1.9% |
| 2021 | UK Average | postcode vs UK (pp) | |
|---|---|---|---|
| United Kingdom | 80.5% | 76.7% | 3.8% |
| Ireland | 0.6% | 0.6% | 0.0% |
| Poland | 0.6% | 1.3% | -0.7% |
| No passport held | 18.2% | 13.5% | 4.7% |
| 2021 | UK Average | postcode vs UK (pp) | |
|---|---|---|---|
| No religion | 57.6% | 37.2% | 20.4% |
| Christian | 40.4% | 46.2% | -5.8% |
| Not answered | 2% | 6.0% | -4.0% |
Over the last 12 months, the overall crime rate around Hay Green was 37.5 per 1,000 residents, which is 40.7% lower than the Arbury average. The most reported crime type was Violence and sexual offences.
Hay Green has the 12th lowest crime rate of 28 local areas in Arbury and the 161st lowest crime rate of 413 local areas in North Hertfordshire .
Violent and sexual offences accounted for around 25.0 crimes per 1,000 residents and have been falling year on year. Over the last decade, overall crime has fallen by about -66.7%.

Households in this area have a higher level of wealth to the average household in England and Wales. 83% of analyzed areas in England and Wales have lower average household annual income than this area.

| Address | Sale Price | Sale Date | Price Estimate 2025 |
|---|---|---|---|
| Little Foxes Hay Green, Royston, Hertfordshire Semi-Detached, an established residential building | £390,000 | 2014-09-12 | £642,941 |
| Hay Green Cottage Hay Green, Royston, Hertfordshire Detached, an established residential building | £585,000 | 2007-09-13 | £1,106,729 |
SG8 9QJ area has a very high level of entrepreneurship. Less than 1% of streets have higher percent of entrepreneur residents. 23% of population in this area is self-employed, while the average in the UK is 9.7%. High number of entrepreneurs usually leads to relatively high economic growth, higher paid jobs and better quality of life in the area.
SG8 9QJ area has a low unemployment rate. According to Census 2021, 1% residents of this area were unemployed, while the average in the UK was 4.83%. A low level of unemployment in an area indicates a strong job market, where most people who are seeking work can find employment. This generally reflects a healthy economy in the area.
| Full-Time Employee | 37 |
| Self-Employed | 25 |
| Retired | 15 |
| Part-Time Employee | 14 |
| Student (economically inactive) | 5 |
| Looking after home or family | 5 |
| Long-Term Sick or disabled | 5 |
| Full-Time Student (with or without job) | 3 |
| Unemployed | 1 |
| Other | 0 |
| Education | 11 |
| Construction | 9 |
| Wholesale and retail trade; repair of motor vehicles and motor cycles | 8 |
| Information and communication | 5 |
| Human health and social work activities | 4 |
| Administrative and support service activities | 4 |
| Professional, scientific and technical activities | 3 |
| Public administration and defence; compulsory social security | 2 |
| Manufacturing | 2 |
| Accommodation and food service activities | 1 |
| Transport and storage | 1 |
| Water supply; sewerage, waste management and remediation activities | 1 |
| Other | 1 |
| Ofsted Overall Effectiveness | Distance | Establishment Type | Has Nursery Classes | Gender | More Info | |
|---|---|---|---|---|---|---|
| Therfield First School The Causeway , Therfield SG8 9PP | 4out of 4 | 540 yd | Community school | No | Mixed | More About School |
| Reed First School Jacksons Lane , Reed SG8 8AB | 3out of 4 | 2,699 yd | Community school | Yes | Mixed | More About School |
| Sandon Junior Mixed and Infant School Sandon , SG9 0QS | 3out of 4 | 3,438 yd | Community school | No | Mixed | More About School |
| Tannery Drift School Tannery Drift , SG8 5DE | 3out of 4 | 4,672 yd | Community school | Yes | Mixed | More About School |
| Studlands Rise First School Studlands Rise , SG8 9HB | 3out of 4 | 4,707 yd | Community school | Yes | Mixed | More About School |
School statistics for this postcode are based on Ofsted rankings.
| Business Name | Address | Food hygiene rating | Distance |
|---|---|---|---|
| The Fox and Duck Public House | Fox And Duck Police Row | 596 yd |
| Facility Name | Sport Objects | Distance |
|---|---|---|
| Therfield Recreation Ground The Grange | grass pitches | 78 yd |
This statistics are based on Active Places Data - Contains Data © Sport England
| Percentage of premises that have Superfast Broadband (30Mbit/s or greater) coverage from fixed broadband | 100.0% |
| Percentage of premises that have Ultrafast Broadband (100Mbit/s or greater) coverage from fixed broadband | 0.0% |
| Percentage of premises that have Ultrafast Broadband (300Mbit/s or greater) coverage from fixed broadband | 0.0% |
| Percentage of premises that have coverage from a Gigabit capable service from fixed broadband | 0.0% |
| Percentage of premises unable to receive 2Mbit/s | 0.0% |
| Percentage of premises unable to receive 5Mbit/s | 0.0% |
| Percentage of premises unable to receive 10Mbit/s | 0.0% |
| Percentage of premises unable to receive 30Mbit/s | 0.0% |
Broadband statistics are based on Ofcom's Communications Market Report (CMR) 2022.